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CI 16035 (Red 40 / Allura Red AC)
CI 16035 · Red 40 · Red 40 Lake
A synthetic red azo dye (Allura Red AC) used as a color additive — present to color the formula, no skin effect.
What it does
CI 16035 is the colorant code for Allura Red AC, a synthetic azo dye approved by the FDA as FD&C Red No. 40 — the most widely used red colorant in food, drug, and cosmetic products. In skincare it functions purely as a color additive. The water-soluble dye form colors the liquid phase; the Lake form is dispersible in oil-phase or anhydrous formulas.
Also known as
red 40, allura red ac, fd&c red no. 40
This page is public and indexed on purpose (unlike profiles and drops, which are unlisted) — it’s the citation behind shared ingredient cards, and it should be findable.
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