4-Chlororesorcinol

4-Chlororesorcinol

AKA “p-Chlororesorcinol, 3-Benzenediol, 3-benzenediol, 6-Chlororesorcinol, Resorcinol, 3-dihydroxybenzene”

Synthetic

Ingredient Facts

4-Chlororesorcinol

AKA: P-Chlororesorcinol, 3-Benzenediol, 3-benzenediol, 6-Chlororesorcinol, 3-dihydroxybenzene

Synthetic · Hair Dyeing · EWG: 6

Synthetic

Safety Concern

Synthetic

Clean

A color-depositing ingredient used in hair dyes to help create and stabilize hair color, working to achieve consistent, long-lasting results.

Formula

C6H5ClO2

Mol. Weight

144.55

CAS #

95-88-5

Form

Powder

State

Beige-brown solid; [EC: SCCS - Opinion] Light beige granular powder with a mild phenolic odor; [Jos. H. Lowenstein and Sons MSDS]

See origin →

Functions

Hair Dyeing

Colors Hair

Traditional Use

A synthetic derivative of resorcinol with halogenation for enhanced chemical stability. Developed in the 20th century for use as a hair dye coupler in permanent color systems.

Skin Types

●all-skin-types

Best For

General

Melanin-Rich Skin

Suitable

Pregnancy & Breastfeeding Safe

Caution

EWG

CIR

Insufficient

Pregnancy

Caution

Restricted By

Credo Beauty Sephora Clean at Sephora Ulta Conscious Beauty Beauty Heroes EWG VERIFIED

CIR Safety Findings

ewg-6

medical-approval

all-shades-safe

Phototoxicity Concern

Concentration Guide

5%

0%7%

Reg. Limit

EU regulatory limit: 5%. 0,. (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 1... Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 22.