Butylparaben
INCI: BUTYLPARABEN
Also known as: Butyl 4-Hydroxybenzoate
Key Facts
- CAS Number
- 94-26-8
- Category
- preservative
- Risk Level
- medium
- Common Allergen
- Yes
- EU Status
- Restricted
- Max Concentration
- 0.14% (EU)
- Found In
- moisturizer, makeup
Is Butylparaben safe in cosmetics?
Butylparaben is rated medium risk in cosmetic products. It is a known allergen that can cause contact dermatitis in sensitized individuals. EU-restricted. More potent endocrine disruptor than shorter-chain parabens. This ingredient is restricted under EU cosmetic regulations. Safer alternatives include Phenoxyethanol, Sodium Benzoate, Potassium Sorbate. Commonly found in moisturizer, makeup.
What is Butylparaben?
Paraben with highest estrogenic activity among common parabens. EU restricted to 0.14%.
Allergy & Safety Information
Butylparaben 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 Butylparaben, you may also react to:
Safer Alternatives
These ingredients serve a similar function with lower allergy risk:
Frequently Asked Questions
Is Butylparaben safe for sensitive skin?
Butylparaben may cause reactions in some sensitive individuals. Patch testing is advisable.
What products contain Butylparaben?
Butylparaben is commonly found in moisturizer, makeup.
What does Butylparaben do in cosmetics?
Butylparaben functions as a preservative in formulations.
Related Guides
Top 10 Cosmetic Allergens
Is Butylparaben on the list? See the full clinical ranking.
Preservative Allergy Guide
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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 Butylparaben 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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