RESORCINOL

RESORCINOL

INCI RESORCINOLEC number 203-585-2Role Hair conditioning

Resorcinol is a synthetic molecule used in hair cosmetics as a colorant and conditioning agent. It is notably used in hair coloring formulations.

Hair conditioningColorantRestricted useEndocrine disruptor
Ingredient

Roles & functions

Hair conditioning — Improves the appearance, softness and manageability of the hair.

Colorant — Adds colour to the product or to the application.

Regulatory framework

What the authorities say

AuthorityStatus
Commission européenne (CosIng, Règl. 1223/2009)Autorisé sous conditions
ECHA — plan d’action continu communautaire (CoRAP) — maj Fri, 07 Aug 2026 16:37:31 GMTPerturbateur endocrinien — confirmé
ECHA — plan d’action continu communautaire (CoRAP) — maj Fri, 07 Aug 2026 16:37:31 GMTRisque environnemental — confirmé
CLP classification (Reg. 1272/2008)No CMR classification
ECHA — Candidate List (SVHC, REACH Art. 59)Not on the Candidate List (SVHC)
European Commission (Reg. 1223/2009, Annex III)No cosmetic allergen subject to mandatory labelling
European Commission (EU catalogue of nanomaterials, Reg. 1223/2009)No referenced nanoform
European Commission — Annex III (Reg. 1223/2009) — maj Fri, 07 Aug 2026 16:37:23 GMTPermitted subject to restrictions (Annex III) — max (c) 0,5% in (a) Hair dye substance in oxidative hair dye products (b) Products intended for colouring eyelashes (c) Hair lotions and shampoos — (a) To be printed on the label: The mixing ratio. “ Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past. Contains resorcinol. Rinse hair well after application. Rinse eyes immediately if product comes into contact with them.‘Do not use to dye eyelashes. (b) To be printed on the label: The mixing ratio. “For professional use only. Contains resorcinol. This product can cause severe allergic reactions. Read and follow instructions.This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase the risk of allergy. Eyelashes shall not be coloured if the consumer: — has a rash on the face or sensitive, irritated and damaged scalp, — has experienced any reaction after colouring hair or eyelashes, — has experienced a reaction to a temporary ‘black henna’ tattoo in the past. Rinse eyes immediately if product comes into contact with them.” (c) Contains resorcinol.’ — (For (a) and (b): After mixing under oxidative conditions the maximum concentration applied to hair or eyeslashes must not exceed 1,25 % (b) Professional use only

Last verified :

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This information is reported factually and with attribution (authorities and publications cited). It does not constitute medical advice, for your situation, ask a pharmacist or a healthcare professional for advice.

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