Sodium Lauryl Sulfate (SLS)
CAS 151-21-3 · C₁₂H₂₅NaO₄S · sls · sodium lauryl sulfate · sodium dodecyl sulfate
A strong detergent surfactant that strips the skin barrier and may irritate sensitive skin. Common in foaming products.
Concerns
- Disrupts skin barrier — increases transepidermal water loss
- Oral irritation and canker sore association
- Eye irritant
- May worsen eczema-prone skin
Commonly found in
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Branch Basics
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One bottle replaces your entire cleaning cabinet.
Why it's cleaner
No flagged ingredients in our current review; key ingredients include Coco glucoside, Decyl glucoside, Chamomile extract.
Based Bodyworks
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Sulfate-free, fragrance-free body wash with no hormone-disrupting ingredients.
Why it's cleaner
No flagged ingredients in our current review; key ingredients include Coco glucoside, Aloe vera, Glycerin.
Sources & references
Last researched: April 18, 2026
Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.
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