Sodium Lauryl Sulfate
INCI: SODIUM LAURYL SULFATE
Also known as: SLS, Sodium Dodecyl Sulfate
Key Facts
- CAS Number
- 151-21-3
- Category
- surfactant
- Risk Level
- medium
- Common Allergen
- Yes
- Found In
- shampoo, toothpaste, body wash, facial cleanser
What is Sodium Lauryl Sulfate?
Strong surfactant. Not a true allergen but a potent irritant that damages the skin barrier.
Allergy & Safety Information
Sodium Lauryl Sulfate is generally safe for most people but may cause irritation or allergic reactions in sensitive individuals. If you experience redness, itching, or swelling after using a product with this ingredient, discontinue use and consult a dermatologist.
Cross-Reactions
If you react to Sodium Lauryl Sulfate, you may also react to:
Safer Alternatives
These ingredients serve a similar function with lower allergy risk:
Frequently Asked Questions
Is Sodium Lauryl Sulfate safe for sensitive skin?
Sodium Lauryl Sulfate may cause reactions in some sensitive individuals. Patch testing is advisable.
What products contain Sodium Lauryl Sulfate?
Sodium Lauryl Sulfate is commonly found in shampoo, toothpaste, body wash, facial cleanser.
What does Sodium Lauryl Sulfate do in cosmetics?
Sodium Lauryl Sulfate functions as a surfactant in formulations. Primary irritant, not a true allergen. Disrupts skin barrier allowing other allergens to penetrate.
Is Sodium Lauryl Sulfate causing YOUR skin reactions?
SkinDetekt tracks your products and reactions to find your personal triggers. Download the app to find out.
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