Red 30 Lake (CI 73360)
AKA “Vat red 1, D&C Red No. 30, Dye Red No. 30, Dye dc Red No. 30, 5'-Dichloro-3, 3'-dimethyl-thioindigo
Ingredient
Ingredient Facts
Red 30 lake (CI 73360)
AKA: Vat red 1, D&C Red No. 30, Dye Red No. 30, Dye dc Red No. 30, 5'-Dichloro-3, 3'-dimethyl-thioindigo
Ingredient · Cosmetic Colorant · EWG: 4
Synthetic
Colorant
Not Clean
Red 30 Lake (CI 73360) is a cosmetic ingredient.
Formula
C18H10Cl2O2S2
Mol. Weight
393.3
CAS #
2379-74-0
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.
Adds Color
Traditional Use
A synthetic azo dye developed in the late 19th century as part of the synthetic colorant revolution in chemistry. It replaced natural colorants like carmine and cochineal in cosmetics and has been approved as a colorant in regulated markets since the early 20th century.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR