Blue 1

INCI: CI 42090

✅ Low Risk

Key Facts

CAS Number
3844-45-9
Category
colorant
Risk Level
low
Common Allergen
No
Found In
mouthwash, shampoo

What is Blue 1?

Blue 1 is a colorant commonly used in cosmetic and personal care products. It is generally considered safe for use in cosmetics at recommended concentrations.

Allergy & Safety Information

Blue 1 is considered safe for cosmetic use. No significant safety concerns have been identified at typical use concentrations. As with any cosmetic ingredient, discontinue use if irritation occurs.

Safer Alternatives

These ingredients serve a similar function with lower allergy risk:

Frequently Asked Questions

Is Blue 1 safe for sensitive skin?

Blue 1 is generally well-tolerated, even by sensitive skin types.

What products contain Blue 1?

Blue 1 is commonly found in mouthwash, shampoo.

What does Blue 1 do in cosmetics?

Blue 1 functions as a colorant in formulations.

Is Blue 1 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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