Red 7 Lake (CI 15850)
AKA “ACID RED 73, Brilliant crocein, Crocein Scarlet MOO, Woodstain Scarlet, C.I. Acid Red 73”
Ingredient
Ingredient Facts
Red 7 lake (CI 15850)
AKA: ACID RED 73, Brilliant crocein, Crocein Scarlet MOO, Woodstain Scarlet, C.I. Acid Red 73
Ingredient · Cosmetic Colorant · EWG: 4
Synthetic
Colorant
Not Clean
Red 7 Lake (CI 15850) is a cosmetic ingredient.
Formula
C22H14N4Na2O7S2
Mol. Weight
556.5
CAS #
5413-75-2
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 coloring
Adds pigmentation to cosmetics
Traditional Use
Synthetic azo dye developed in the late 19th century as an alternative to natural colorants like cochineal and madder root. Approved for cosmetic use in the early 20th century as regulations for synthetic colors were established.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR