Red 6 Lake (CI 15850)
AKA “D&C Red No. 34, CI 15880, D & C Red no. 34, CI 15880:1 (Ca salt)”
Ingredient
Ingredient Facts
Red 6 lake (CI 15850)
AKA: D&C Red No. 34, CI 15880, D & C Red no. 34, CI 15880:1 (Ca salt)
Ingredient · Cosmetic Colorant · EWG: 4
Synthetic
Colorant
Not Clean
Red 6 Lake (CI 15850) is a cosmetic ingredient.
Formula
C21H12CaN2O6S
Mol. Weight
460.5
CAS #
6417-83-0
Form
Powder
See origin →
Functions
Cosmetic Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Provides red color to cosmetic products
Helps create aesthetic appearance in makeup
Traditional Use
A synthetic azo dye developed in the late 19th century. Originally derived from coal-tar chemistry, it was adopted by the cosmetics industry in the early 20th century as a colorant for lipsticks, blushes, and other color cosmetics.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR