{"id":1328,"date":"2025-11-25T20:32:50","date_gmt":"2025-11-25T20:32:50","guid":{"rendered":"https:\/\/bealoralcare.com\/?p=1328"},"modified":"2026-03-25T22:13:41","modified_gmt":"2026-03-25T22:13:41","slug":"sodium-lauryl-sulfate-sls-in-toothpaste-good-or-bad","status":"publish","type":"post","link":"https:\/\/bealoralcare.com\/fr\/sodium-lauryl-sulfate-sls-in-toothpaste-good-or-bad\/","title":{"rendered":"Sodium Lauryl Sulfate (SLS) in Toothpaste: Good or Bad?"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-left has-xx-large-font-size\"><strong>Sodium Lauryl Sulfate (SLS) in Toothpaste: <\/strong>Is It Good or Bad for Your Health? A Complete, Science-Backed Guide<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Sodium lauryl sulfate (SLS) is one of the most debated ingredients in modern oral care. Some people swear it causes mouth sensitivity, ulcers, or irritation. Others insist it makes toothpaste more effective at cleaning and preventing plaque.<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">So\u2026 <strong>is SLS actually good or bad?<br><\/strong> And if you avoid it, <strong>what\u2019s the best substitute?<\/strong><\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">This guide breaks down what the science <em>actually<\/em> says \u2014 using findings from clinical trials, in-vitro studies, and recent literature reviews (2022\u20132024).<\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Is Sodium Lauryl Sulfate (SLS)?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS is an <strong>anionic surfactant<\/strong> \u2014 a cleansing ingredient that reduces surface tension, dissolves oils, and creates foam. It\u2019s the <strong>sodium salt of lauryl alcohol<\/strong>, used for more than 50 years in:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Toothpaste<br><\/li>\n\n\n\n<li>Shampoos<br><\/li>\n\n\n\n<li>Soaps<br><\/li>\n\n\n\n<li>Detergents<br><\/li>\n\n\n\n<li>Pharmaceutical formulations<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">In toothpaste, SLS usually appears at <strong>1\u20133% concentration<\/strong>.<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">It is NOT a carcinogen (confirmed by the International Agency for Research on Cancer).<\/mark><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"800\" data-attachment-id=\"1337\" data-permalink=\"https:\/\/bealoralcare.com\/fr\/sodium-lauryl-sulfate-sls-in-toothpaste-good-or-bad\/sls-is-an-anionic-surfactant\/\" data-orig-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-is-an-anionic-surfactant-.jpg\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SLS is an anionic surfactant\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-is-an-anionic-surfactant-.jpg\" src=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-is-an-anionic-surfactant-.jpg?w=1024\" alt=\"SLS is an anionic surfactant \" class=\"wp-image-1337\" style=\"aspect-ratio:16\/9;object-fit:cover\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why SLS Is Used in Toothpaste (The Pros)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">1. Better cleaning &amp; foaming<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS lowers the surface tension of water, helping toothpaste spread evenly across teeth and gums. This is what gives toothpaste its \u201cfoamy\u201d feeling.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">2. Antimicrobial effects<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS can penetrate bacterial membranes \u2014 which helps reduce bacterial load on teeth and gums.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">3. Increases available (free) fluoride<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">A study showed SLS significantly increases <strong>free fluoride in saliva<\/strong>, meaning:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>+147% increase in salivary fluid fluoride<br><\/li>\n\n\n\n<li>+205% increase in plaque fluid fluoride<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Free fluoride is the form that actually protects enamel from decay.<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\"><strong>If you want to know more about fluoride, check this article: <a href=\"https:\/\/bealoralcare.com\/fr\/what-is-fluoride-and-why-is-it-in-toothpaste\/\">What Is Fluoride and Why Is It in Toothpaste?<\/a> And <\/strong><\/mark><a href=\"https:\/\/bealoralcare.com\/fr\/fluoride-toothpaste-and-the-thyroid-what-you-should-know\/\">Fluoride Toothpaste and the Thyroid \u2013 What You Should Know<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">4. Helps plaque control<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Studies show SLS can:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inhibit fructosyltransferase \u2014 an enzyme bacteria use to make sticky biofilm<br><\/li>\n\n\n\n<li>Reduce plaque accumulation in some cases<br><\/li>\n\n\n\n<li>Improve oral malodor (halitosis) by decreasing sulfur and ammonia gases<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">5. Improves drug solubility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">In oral formulations, SLS enhances the solubility and bioavailability of poorly soluble drugs by forming micelles.<\/mark><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1200\" height=\"800\" data-attachment-id=\"1338\" data-permalink=\"https:\/\/bealoralcare.com\/fr\/sodium-lauryl-sulfate-sls-in-toothpaste-good-or-bad\/sls-improves-drug-solubility\/\" data-orig-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-improves-drug-solubility-.jpg\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SLS Improves drug solubility\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-improves-drug-solubility-.jpg\" src=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-improves-drug-solubility-.jpg?w=1024\" alt=\"SLS Improves drug solubility \" class=\"wp-image-1338\" style=\"aspect-ratio:16\/9;object-fit:cover\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The Downsides of SLS (When It Can Be Bad)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Scientific evidence shows that SLS can cause irritation depending on <strong>concentration<\/strong>, <strong>exposure time<\/strong>, and <strong>individual sensitivity<\/strong>.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">1. Oral irritation &amp; mucosal shedding<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS can temporarily disturb the oral epithelial barrier. Reported effects include:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peeling of oral mucosa<br><\/li>\n\n\n\n<li>Burning sensation<br><\/li>\n\n\n\n<li>Dryness<br><\/li>\n\n\n\n<li>Sensitivity<br><\/li>\n\n\n\n<li>Swelling<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Oral mucosa is more sensitive to SLS than skin<\/mark>..<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">2. Worsening Recurrent Aphthous Stomatitis (Mouth Ulcers)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Multiple trials show SLS-free toothpaste leads to:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Shorter healing time<\/strong><strong><br><\/strong><\/li>\n\n\n\n<li><strong>Lower pain levels<\/strong><strong><br><\/strong><\/li>\n\n\n\n<li><strong>Fewer ulcer episodes<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">If a patient has frequent ulcers, <strong>SLS-free toothpaste is strongly recommended<\/strong>.<\/mark><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1200\" height=\"800\" data-attachment-id=\"1340\" data-permalink=\"https:\/\/bealoralcare.com\/fr\/sodium-lauryl-sulfate-sls-in-toothpaste-good-or-bad\/sls-free-toothpaste-leads-to-fewer-ulcer-episodes\/\" data-orig-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-free-toothpaste-leads-to-fewer-ulcer-episodes.png\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SLS-free toothpaste leads to fewer ulcer episodes\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-free-toothpaste-leads-to-fewer-ulcer-episodes.png\" src=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/sls-free-toothpaste-leads-to-fewer-ulcer-episodes.png?w=1024\" alt=\"SLS-free toothpaste leads to fewer ulcer episodes\" class=\"wp-image-1340\" style=\"aspect-ratio:16\/9;object-fit:cover\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">3. Delayed wound healing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">In vitro studies show SLS can slow epithelial repair.<br>After dental surgery, SLS may lengthen healing time.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">4. Potential damage to the oral microbiome<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Recent studies (2024) found SLS can:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Disrupt oral biofilm diversity<br><\/li>\n\n\n\n<li>Increase certain pathogenic bacteria<br><\/li>\n\n\n\n<li>Cause gingival inflammation in animal models<br><\/li>\n\n\n\n<li>Promote alveolar bone resorption in rats<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">This does NOT happen in every person \u2014 but it\u2019s an important emerging concern.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">5. Cytotoxicity<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Among common toothpaste ingredients, SLS showed <strong>the highest level of cytotoxicity on human gingival fibroblasts<\/strong> in one study.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">6. Interference with enamel protection in early erosion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS can temporarily reduce the protective effect of sodium fluoride during <em>initial<\/em> erosion stages \u2014 though this does NOT persist in long-term erosion cycles.<\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>So\u2026 Is SLS Good or Bad<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">It\u2019s BOTH \u2014 depending on the person and situation.<\/mark><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714\ufe0f SLS is beneficial if you:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Do not have sensitive oral tissues<br><\/li>\n\n\n\n<li>Want stronger plaque and halitosis control<br><\/li>\n\n\n\n<li>Want maximized free fluoride availability<br><\/li>\n\n\n\n<li>Prefer high-foam toothpaste<br><\/li>\n\n\n\n<li>Have healthy gums without history of RAS<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u274c SLS may be a problem if you:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Frequently get mouth ulcers<br><\/li>\n\n\n\n<li>Have dry mouth (xerostomia)<br><\/li>\n\n\n\n<li>Have sensitive soft tissues<br><\/li>\n\n\n\n<li>Recently had oral surgery<br><\/li>\n\n\n\n<li>Have gingivitis or early periodontal inflammation<br><\/li>\n\n\n\n<li>Want a toothpaste that supports microbiome balance<br><\/li>\n\n\n\n<li>Experience peeling after brushing<br><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The Best Substitutes for SLS (Gentler Surfactants)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Modern toothpaste brands are moving away from SLS because of irritation concerns. Here are the best alternatives:<\/mark><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" data-attachment-id=\"1342\" data-permalink=\"https:\/\/bealoralcare.com\/fr\/sodium-lauryl-sulfate-sls-in-toothpaste-good-or-bad\/substitutes-for-sls-gentler-surfactants\/\" data-orig-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/substitutes-for-sls-gentler-surfactants.png\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Substitutes for SLS (Gentler Surfactants)\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/substitutes-for-sls-gentler-surfactants.png\" src=\"https:\/\/bealoralcare.com\/wp-content\/uploads\/2025\/11\/substitutes-for-sls-gentler-surfactants.png?w=1024\" alt=\"Substitutes for SLS (Gentler Surfactants)\" class=\"wp-image-1342\" style=\"aspect-ratio:16\/9;object-fit:cover\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">1. Cocamidopropyl Betaine (CAPB)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Milder than SLS<br><\/li>\n\n\n\n<li>Good foaming<br><\/li>\n\n\n\n<li>Less irritating<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">However, CAPB <em>still<\/em> has measurable cytotoxicity in vitro.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">2. Sodium Lauroyl Sarcosinate<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Less irritating<br><\/li>\n\n\n\n<li>Effective foaming<br><\/li>\n\n\n\n<li>Better tolerated by sensitive mouths<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">3. Sodium Methyl Cocoyl Taurate<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extremely gentle<br><\/li>\n\n\n\n<li>Good cleansing<br><\/li>\n\n\n\n<li>Suitable for ulcer-prone patients<br><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-medium-font-size\">4. PEG-based non-ionic surfactants (e.g., PEG-80 Sorbitan Laurate)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Very mild and commonly used in \u201csensitive\u201d or \u201cnatural\u201d formulas.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">5. Postbiotic-based toothpaste (emerging category)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">A 2024 study showed that <strong>postbiotic toothpaste<\/strong> can:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Support a healthy oral microbiome<br><\/li>\n\n\n\n<li>Reduce inflammation<br><\/li>\n\n\n\n<li>Counteract the negative effects of SLS<br><\/li>\n\n\n\n<li>Prevent periodontal tissue damage<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Postbiotics represent one of the most promising future alternatives.<\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What About &#8220;Natural&#8221; Toothpaste?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Natural toothpastes typically avoid:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SLS<br><\/li>\n\n\n\n<li>Artificial sweeteners<br><\/li>\n\n\n\n<li>Preservatives<br><\/li>\n\n\n\n<li>Synthetic flavors and dyes<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Instead, they rely on:<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aloe vera<br><\/li>\n\n\n\n<li>Neem<br><\/li>\n\n\n\n<li>Calendula<br><\/li>\n\n\n\n<li>Tea tree oil<br><\/li>\n\n\n\n<li>Papaya leaf extract<br><\/li>\n\n\n\n<li>Chamomile<br><\/li>\n\n\n\n<li>Clove oil<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">These ingredients can provide anti-inflammatory or antibacterial benefits but may <strong>not<\/strong> always match the plaque-fighting effect of fluoride or SLS.<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">PICTURE OF toothpastes, last one.<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">This article will help you know more about the ingredients a toothpaste has.<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\"><a href=\"https:\/\/bealoralcare.com\/fr\/does-toothpaste-really-make-a-difference\/\">Does <strong>Toothpaste<\/strong> Really Make a Difference?<\/a><\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Who Should Choose SLS-Free Toothpaste?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Based on current evidence, SLS-free dentifrices are recommended for:<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 People with recurrent mouth ulcers (RAS)<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 Patients after oral surgery<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 Individuals with mucosal sensitivity<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 People experiencing dryness or peeling<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 Those looking to support oral microbiome health<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 Patients with active gingivitis or periodontitis<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2b50 Immunocompromised individuals (to avoid irritation)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">For most other people, SLS is generally safe and effective in low concentrations.<\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Final Verdict<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS is <strong>not harmful or carcinogenic<\/strong>, and it improves plaque control, fluoride availability, and overall cleansing.<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">However\u2026<\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">SLS <strong>can irritate oral tissues<\/strong>, <strong>slow wound healing<\/strong>, <strong>worsen ulcers<\/strong>, and <strong>disrupt the oral microbiome<\/strong> in certain individuals.<\/mark><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>If you have a healthy, non-sensitive mouth \u2192 SLS is fine.<\/strong><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>If you experience irritation or ulcers \u2192 choose an SLS-free or postbiotic-based toothpaste.<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-5-color\">Consumers today have more options than ever \u2014 and the best formula depends on your <strong>oral biology<\/strong>, not just marketing.<\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>REFERENCE<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Haghgoo R, Khorsand A, Ghaderi F, et al. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10506142\/\">The yin and yang of sodium lauryl sulfate use for oral and periodontal health: A literature review.<\/a> <strong>Dent J (Basel).<\/strong> 2023;11(7):175. <\/li>\n\n\n\n<li>Promsudthi A, Boonroung T, Rojanapanthu P, et al. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36277937\/\">Chemical vs. natural toothpaste: Which formulas for which properties? A scoping review<\/a>. <strong>Dent Med Probl.<\/strong> 2022;59(4):549\u2013559.<\/li>\n\n\n\n<li>Wu Z, Li Y, Feng X, et al. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38939048\/\">Effects of sodium lauryl sulfate and postbiotic toothpaste on oral microecology. <\/a><strong>Arch Oral Biol.<\/strong> 2024;158:105833.<\/li>\n\n\n\n<li>Oshima S, Wilkins BJ, Singh G, et al. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35899466\/\">Detergent exposure induces epithelial barrier dysfunction and eosinophilic inflammation in the esophagus.<\/a> <strong>Cell Mol Gastroenterol Hepatol.<\/strong> 2023;15(3):689\u2013708.e5.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Learn what sodium lauryl sulfate (SLS) does in toothpaste, its benefits, risks, and whether choosing SLS-free options is better for your oral health.<\/p>","protected":false},"author":266031118,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"advanced_seo_description":"Discover the pros and cons of Sodium Lauryl Sulfate (SLS) in toothpaste. Is it beneficial or harmful? Get the science-backed insights here!","jetpack_seo_html_title":"Sodium Lauryl Sulfate (SLS) in Toothpaste: Good or Bad?","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[1],"tags":[22871,4514578,115146667,205264,101385,6612743,580152823,2356699,200470,38166249],"class_list":["post-1328","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-dental-care","tag-mouth-ulcers","tag-oral-hygiene-tips","tag-oral-health","tag-sls","tag-sls-free","tag-sls-risks","tag-sodium-lauryl-sulfate","tag-toothpaste","tag-toothpaste-ingredients"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pgxq0x-lq","jetpack-related-posts":[{"id":1414,"url":"https:\/\/bealoralcare.com\/fr\/hormone-disruptors-in-toothpaste-what-to-know\/","url_meta":{"origin":1328,"position":0},"title":"Hormone Disruptors in Toothpaste: What to Know","author":"Dr. Bawi","date":"12.01.2026","format":false,"excerpt":"Learn which common toothpaste ingredients may act as hormone disruptors and how to choose safer oral care options for your long-term health.","rel":"","context":"Dans \"avoid toxic toothpaste\"","block_context":{"text":"avoid toxic toothpaste","link":"https:\/\/bealoralcare.com\/fr\/tag\/avoid-toxic-toothpaste\/"},"img":{"alt_text":"","src":"https:\/\/bealoralcare.com\/wp-content\/uploads\/2026\/01\/parabens-are-preservatives-sometimes-found-in-toothpaste-and-mouthwash.jpg","width":350,"height":200,"srcset":"https:\/\/bealoralcare.com\/wp-content\/uploads\/2026\/01\/parabens-are-preservatives-sometimes-found-in-toothpaste-and-mouthwash.jpg 1x, https:\/\/bealoralcare.com\/wp-content\/uploads\/2026\/01\/parabens-are-preservatives-sometimes-found-in-toothpaste-and-mouthwash.jpg 1.5x, https:\/\/bealoralcare.com\/wp-content\/uploads\/2026\/01\/parabens-are-preservatives-sometimes-found-in-toothpaste-and-mouthwash.jpg 2x, https:\/\/bealoralcare.com\/wp-content\/uploads\/2026\/01\/parabens-are-preservatives-sometimes-found-in-toothpaste-and-mouthwash.jpg 3x"},"classes":[]},{"id":1487,"url":"https:\/\/bealoralcare.com\/fr\/allergy-to-toothpasate-is-your-oral-care-causing-reactions\/","url_meta":{"origin":1328,"position":1},"title":"Allergy to Toothpasate: Is Your Oral Care Causing Reactions","author":"Dr. Bawi","date":"24.01.2026","format":false,"excerpt":"Burning mouth, lip swelling, or irritation after brushing? 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