Red 27 (CI 45410) is a synthetic red colorant typically supplied as a water-soluble dye for personal care formulations. It provides bright fuchsia-to-red shades in liquid and gel products such as lip tints, shampoos, and bath items.
A water-soluble dye giving fuchsia-to-red tones in liquid formulas.
Category
Color
Type
Colorant
Ratings
Overall Rating
Fair
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Red 27 (CI 45410) a Good Ingredient?
Fair, because it improves product appearance without contributing anything skincare-related, and it can stain skin or irritate sensitive users occasionally. A purely cosmetic colorant with a mild irritation caveat is a textbook Fair.
What it does
Skin Benefits
Creates bright, sheer-to-vivid tones with a lightweight feel, and disperses easily for consistent color in water-based systems.
Where you'll find it
Uses in Skincare & Cosmetics
Found in lip stains, liquid blushes, foaming cleansers, and toners.
Before you use it
Safety
Generally considered safe as formulated; may stain skin or cause mild irritation in sensitive users. Ensure compliance with regional colorant rules and discontinue use if irritation occurs.