Red 21 Lake (CI 45380) is an insoluble lake made by depositing a synthetic red dye onto an inert mineral carrier. It delivers vivid, long-wearing red color in oil- and wax-based makeup like lipsticks, blushers, and pressed powders.
A vivid, long-wearing red pigment for lipsticks and blushers.
Category
Color
Type
Pigment
Ratings
Overall Rating
Fair
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Red 21 Lake (CI 45380) a Good Ingredient?
Fair, because it holds color stably in makeup formulas but doesn't contribute anything to skin health, and its use has to follow regional colorant rules. Reliable but purely functional performance keeps it at Fair.
What it does
Skin Benefits
Delivers bold, even payoff with smooth application, resisting feathering and transfer in emollient bases for more precise wear.
Where you'll find it
Uses in Skincare & Cosmetics
Common in lip pencils, cream blush sticks, and baked powder palettes.
Before you use it
Safety
Generally safe as used in cosmetics, though a small number of people may experience dye-related irritation. Follow regional colorant regulations and use as directed.