Ingredient Directory
Low ConcernVegan

CI 77491

Iron(III) oxide (red); Fe2O3

Safety Flags
Safety Notes

Iron oxides (red CI 77491, yellow CI 77492, black CI 77499) provide additional protection against visible light (400-700 nm) and HEV/blue light; not regulated as UV filters but commonly added to tinted sunscreens for enhanced broad-spectrum protection; approved colorants, not sunscreen actives.

Function & Common Use

Function

Colorant; UV protection (incidental, visible light/blue light); Pigment

Category

Colorants

Common In

Tinted sunscreens, BB creams, CC creams, SPF foundations, tinted mineral sunscreens

Origin

Synthetic (Iron oxide, mineral origin)

Concentration Limits

India (CDSCO)

As per colorant permissions

EU Cosmetics Reg.

As per Annex IV colorant limits; no specific UV filter concentration

US FDA (21 CFR)

As per 21 CFR 73 colorant approval; not as sunscreen active

Korea (MFDS)

As per colorant permissions

Format restriction: External use only in US (21 CFR 73.2250); not approved as standalone SPF booster

Baby restriction: No

Pregnancy: No

IFRA: No

Frequently Asked Questions

Is CI 77491 safe to use in skincare?

CI 77491 has a Low concern rating from The Clean Sheet. Iron oxides (red CI 77491, yellow CI 77492, black CI 77499) provide additional protection against visible light (400-700 nm) and HEV/blue light; not regulated as UV filters but commonly added to tinted sunscreens for enhanced broad-spectrum protection; approved colorants, not sunscreen actives.

Is CI 77491 allowed in India?

CI 77491 is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is As per colorant permissions.

What is CI 77491 used for in cosmetics?

CI 77491 functions as: Colorant; UV protection (incidental, visible light/blue light); Pigment. It is commonly found in: Tinted sunscreens, BB creams, CC creams, SPF foundations, tinted mineral sunscreens.

Can CI 77491 cause an allergic reaction?

Yes. CI 77491 has an allergen flag (No). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is CI 77491 safe for babies?

CI 77491 has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

TCS Assessment
Low Concern
Data Confidence
High
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Approved (cosmetic colorant; not approved as sunscreen active)
Korea (MFDS)
Permitted
Australia (TGA)
Permitted
Canada (NHPID)
Permitted

EU Annex: Annex IV (colorants)

Identifiers

CAS1309-37-1
EC215-168-2

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