FD&C Blue No. 1

1% line markerAI-analyzed

INCI: CI 42090 (ACID BLUE 9)

colorant

What it does

CI 42090 is a synthetic organic dye that provides a bright blue color, commonly used in a wide range of cosmetic products, including shampoos, soaps, and makeup.

Skin Concerns

No specific concern data available

Safety & Science

Safety summary

Generally considered safe for cosmetic use, approved by regulatory bodies for use in food, drugs, and cosmetics, though some individuals may experience sensitivity.

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

Found In Products

Related Ingredients

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.