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CI 15985.

Optional CAS 2783-94-0 / COLORANT

CI 15985, also known as Sunset Yellow FCF or FD&C Yellow No. 6, is an orange azo dye. It functions primarily as a cosmetic colorant to impart an orange or reddish-yellow hue.

cosmetic colorant

Science

This ingredient's mechanism of action on the skin is to provide an orange or reddish-yellow color to cosmetic products or the skin itself. Its effect is purely aesthetic, not engaging biological pathways.


Research

Low confidence
Effective range 0.1–3%
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 3 – 7
0 7 14

Stability

Best performance is observed between pH 3-7, as color shifts can occur outside this range. Although generally light- and heat-resistant, its stability can be affected by prolonged exposure to light and air.

Conflicts

  • strong oxidizing agents

Safety

CIR Status
Not reviewed
Max tested
3%
Sensitization risk Moderate

Approved by the FDA and authorized in Europe for cosmetic use, requiring certification and adherence to purity criteria and maximum concentrations. Increased respiratory concerns exist for inhalable product forms.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Optional

A certified cosmetic colorant providing an orange hue to formulations, used within defined regulatory limits for aesthetic purposes.


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