Ingredient Directory
Medium ConcernVegan Evaluator Flag

4-Chlororesorcinol

4-chlorobenzene-1,3-diol

Safety Flags
Allergen: Yes
Safety Notes

Halogenated resorcinol derivative used as coupling agent; skin sensitizer with potential for contact allergy. Patch test recommended before use.

Function & Common Use

Function

Oxidative Hair Dye / Coupling Agent

Category

Hair Dyes

Common In

Permanent hair color

Origin

Synthetic

Concentration Limits

India (CDSCO)

Not explicitly specified; aligned with BIS IS 4707

EU Cosmetics Reg.

1.5% after mixing under oxidation conditions in oxidative hair dye

US FDA (21 CFR)

No federal limit specified

Korea (MFDS)

Restricted; MFDS safety standards apply

Format restriction: Oxidative use only; label warning required

Baby restriction: Yes

Pregnancy: No

IFRA: No

Frequently Asked Questions

Is 4-Chlororesorcinol safe to use in skincare?

4-Chlororesorcinol has a Medium concern rating. Halogenated resorcinol derivative used as coupling agent; skin sensitizer with potential for contact allergy. Patch test recommended before use.

Is 4-Chlororesorcinol allowed in India?

4-Chlororesorcinol is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is Not explicitly specified; aligned with BIS IS 4707.

What is 4-Chlororesorcinol used for in cosmetics?

4-Chlororesorcinol functions as: Oxidative Hair Dye / Coupling Agent. It is commonly found in: Permanent hair color.

Can 4-Chlororesorcinol cause an allergic reaction?

Yes. 4-Chlororesorcinol has an allergen flag (Yes). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is 4-Chlororesorcinol safe for babies?

4-Chlororesorcinol has baby/child restrictions: Yes. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

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

Regulatory Status

India (CDSCO)
Permitted
EU
Restricted
US FDA
Permitted
Korea (MFDS)
Restricted
Australia (TGA)
Restricted
Canada (NHPID)
Restricted

EU Annex: Annex III (restricted)

Identifiers

CAS95-88-5
EC202-462-2

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