Beauty ingredient · Colorant (synthetic)
Blue 1 (CI 42090)
A synthetic certified color permitted in cosmetics (US certified colors; EU Annex IV).
- Synthetic dye
- Cosmetic colorant
- Expert review pending
Concern level
A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points Blue 1 (CI 42090) costs on a product’s receipt.
What the evidence says
-
Low concernRegulatory
Listed in Annex IV of the EU Cosmetics Regulation (colorants allowed in cosmetic products). [1]
Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.
Rules around the world
| Where | Status | Details | Date | Source |
|---|---|---|---|---|
| European Union | Permitted | Listed in Annex IV (colorants allowed in cosmetic products), with conditions for some uses. | — | [1] |
“Banned” means explicitly prohibited or withdrawn after review; “not permitted” means never authorized there. We use each regulator’s own words.
Popular products that list Blue 1 (CI 42090)
4 of the 17,000 most-scanned products in the US with a GoodSwap page list Blue 1 (CI 42090).
Names GoodSwap recognizes on labels (8)
- blue 1
- ci 42090
- blue 1 lake
- brilliant blue
- blue 1 ci 42090
- ci 42090 blue 1
- fd and c blue 1
- fd and c blue no 1
Sources
-
Regulation (EC) No 1223/2009 of 30 November 2009 on cosmetic products
“cosmetic products shall not contain any of the following: (a) prohibited substances — prohibited substances listed in Annex II”
eur-lex.europa.eu