Red 40 Lake (CI 16035)

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AKA: Allura Red AC, Allura Red, Allura red AC dye, Food Red No. 40
Synthetic
Colorant
Not Clean
Red 40 Lake (CI 16035) is a cosmetic ingredient.
Formula
C18H14N2Na2O8S2
Mol. Weight
496.4
CAS #
25956-17-6
Form
Powder
Functions
Cosmetic Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Hair Dyeing
Colors Hair
Traditional Use
Synthesized in the early 20th century from coal tar derivatives as a synthetic dye; adopted by the cosmetics industry in the mid-1900s as a stable colorant to replace older natural dyes like cochineal and madder.
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR