Skincare without the upsell.
Ci

CI 17200 (Red 33)

CI 17200 · Red 33 · Red 33 Lake

A synthetic red dye (D&C Red No. 33) common in cosmetics and bath products — its only job is color, no skin-care effect.

What it does

CI 17200 is the label code for a synthetic red dye, D&C Red No. 33, common in makeup, lip and bath products and some skincare. The plain form colors water-based products; the Lake form works in oil-based ones.

The EU’s ingredient database lists it as a colorant (adds color).European Commission, CosIng (© European Union, CC BY 4.0) · uses put in plain words by Drop ↗

Also known as

D&C Red No. 33, acid red 33

Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.

This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
Want more like this?
Every evidence-based flag cites its source, Drop tells you when your routine is complete, and it helps you simplify — instead of selling you more. The app launches on iOS and Android in October 2026. Rate my routine works today at /rate — no sign-in.