Glycolic Acid
INCI: GLYCOLIC ACID
Also known as: AHA, Alpha Hydroxy Acid
Key Facts
- CAS Number
- 79-14-1
- Category
- active
- Risk Level
- medium
- Common Allergen
- No
- EU Status
- Restricted
- Max Concentration
- 4% (consumer)
- Found In
- exfoliant, toner, peel
Is Glycolic Acid safe in cosmetics?
Glycolic Acid is rated medium risk in cosmetic products. It is not classified as a common allergen and is generally well-tolerated by most skin types. This ingredient is restricted under EU cosmetic regulations. Commonly found in exfoliant, toner, peel.
What is Glycolic Acid?
Smallest AHA with best penetration. Chemical exfoliant for anti-aging and texture. Can cause irritation and sun sensitivity.
Allergy & Safety Information
Start with low concentration (5-7%). Increases sun sensitivity — always use sunscreen. Not recommended for very sensitive or rosacea-prone skin.
Frequently Asked Questions
Is Glycolic Acid safe for sensitive skin?
Glycolic Acid may cause reactions in some sensitive individuals. Patch testing is advisable.
What products contain Glycolic Acid?
Glycolic Acid is commonly found in exfoliant, toner, peel.
What does Glycolic Acid do in cosmetics?
Glycolic Acid functions as a active in formulations.
Related Guides
Anti-Aging for Sensitive Skin
The safest actives for sensitive skin and how to use them.
How to Read Ingredient Labels
Decode INCI names and find hidden allergens in your products.
Find Your Skin Allergy Trigger
Step-by-step elimination method to identify your trigger.
Contact Dermatitis Guide
Symptoms, causes, patch testing, and treatment options.
Is Glycolic Acid causing YOUR skin reactions?
SkinDetekt tracks your products and reactions to find your personal triggers. Download the app to find out.
Download on App Store