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Sodium Lauryl Sulfate

Sodium Lauryl Sulfate

Also-called-like-this: SLS
Comedogenicity: 0

Official CosIng Information


The famous or rather infamous SLS (not to be confused with SLES). It is a cleansing agent known for being too good at the job and potentially irritating the skin. But, on the positive side,  it can produce copious, creamy and luxurious foam compared to the more gentle and thus nowadays much more commonly used Sodium Laureth Sulfate.

In fact, SLS is so good at irritating the skin that it is very commonly used in dermatological studies just for that. It is a so-called "primary irritant", a substance that irritates the skin in one go (without prior sensitization) but doesn't do any other big harm (such as being carcinogenic or systematically toxic - those claims are not true). Also, the formula can greatly influence the irritating potential of SLS, and mixing it with other cleaning agents makes it milder

If it's not in a cleanser, it works as an emulsifier or even as a penetration enhancer for active materials. 

Show me some proof

  • Lee, Cheol Heon, and Howard I. Maibach. "The sodium lauryl sulfate model: an overview." Contact Dermatitis 33.1 (1995): 1-7.

Products with Sodium Lauryl Sulfate

Lush Godiva Shampoo Bar Lush Rehab Shampoo Lush Soak And Float Shampoo Bar Aphogee Deep Moisture Shampoo Aussie Repair Miracle Shampoo Bath & Body Works Warm Vanilla Sugar Shower Gel Be Fine Gentle Cleanser Garnier Ultimate Blends Moisturising Hair Food Aloe Vera Shampoo Garnier Fructis Smoothing Treat Shampoo Head & Shoulders Itchy Scalp Herbal Essences Body Envy Volumizing Shampoo Mario Badescu Glycolic Foaming Cleanser Method Pure Peace Body Wash Method Wind Down Body Wash Skin Academy Pure Cleansing Facial Scrub Wella Nutri Enrich Shampoo Wella Professional Oil Reflections - Luminous Reveal Shampoo Caolion Magic Black Powder Sparkling Wash Powder Dr. Jart+ Dermaclearâ„¢ Trans-Foam Clay Moisturizing Pink Elizavecca Milky Piggy Hell-Pore Clean Up Enzyme Powder Wash FeelSpa Silky Oil Wash Garnier Fructis Daily Care 1 In 1 Shampoo And Conditioner Garnier Full & Plush Shampoo Garnier Gel Wash Green Tea Garnier Skin Active Naturals Gel Wash Aloe Head & Shoulders Apple Fresh Anti-Dandruff Shampoo Head & Shoulders Classic Clean 2In1 Anti Dandruff Shampoo Head & Shoulders Classic Clean Shampoo Head and Shoulders Green Apple Anti- Dandruff Shampoo Herbal Essences Shampoo Para Pelo Curvas Peligrosas John Frieda Brilliant Brunette Deeper Glow Shampoo John Frieda Frizz Ease Flawlessly Straight Shampoo John Frieda Sheer Blonde Go Blonder Shampoo John Frieda Sheer Blonde Violet Crush Purple Shampoo Lush Jasmine And Henna Fluff-Ease MASQUE-OLOGY Vita-Collagen Dual Action Powder Mask + Cleanse Matrix Biolage Hydrasource Shampoo Matrix Biolage Volumebloom Shampoo Nioxin Cleanser Shampoo Nioxin Cleanser Shampoo - System 3 Pantene Pro V Blends Micellar Shampoo Pantene Pro-V Aqua Light Paul Mitchell Super Strong Shampoo Paul Mitchell Tea Tree Special Shampoo Petitfee B-Glucan Enzyme Powder Wash Queen Helene Mint Julip Natural Face Scrub Redken Scalp Relief Dandruff Control Shampoo Revision Skincare Papaya Enzyme Cleanser Sebastian Volupt Shampoo System Professional Volumize Shampoo