Orange 4 (Ci 15510)

ORA

5/10

Concern level

Moderate concern

Orange 4 (CI 15510) is a synthetic azo cosmetic colorant used to impart orange color. FDA lists D&C Orange No. 4 as permanently listed for drugs and cosmetics, with external-use restrictions for cosmetics; CosIng/ingredient references identify it as a cosmetic colorant. ([hfpappexternal.fda.gov](https://hfpappexternal.fda.gov/scripts/fdcc/index.cfm?id=DCOrange4&set=ColorAdditives))

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Concerns

Allergen

Chemical Properties

Molecular Weight

350.32 g/mol

CAS Number: 633-96-5

Skin Type Compatibility

dry skin4/10

oily skin4/10

sensitive skin3/10

acne prone4/10

mature skin4/10

normal skin4/10

Interactions

incompatible with:

Risks & Warnings

Can cause irritation or allergic contact dermatitis in susceptible individuals, especially with repeated exposure or in leave-on products. It is for externally applied cosmetics only under FDA restrictions, so it should not be used around mucous membranes or eye-area applications unless specifically permitted by regulation. ([hfpappexternal.fda.gov](https://hfpappexternal.fda.gov/scripts/fdcc/index.cfm?id=DCOrange4&set=ColorAdditives))

Vegan Cruelty-Free

Found In Products

CLINIQUE