Ingredients

RESORCINOL

CAS number: 108-46-3
"Strong penalty" in all categories.
  • Other language: Résorcine
  • INCI name: RESORCINOL
  • EINECS/ELINCS number: 203-585-2
  • Classification: Suspected endocrine disruptor, Regulated, Hair dye
Namely Resorcinol is used as a dye in hair dyes (ColorIndex: CI 76505). However, "it is the rubber industry that is the largest user of resorcinol (about 50%) and it is also used for the manufacture of high quality wood glues (about Other uses include the manufacture of dyes, pharmaceuticals, flame retardants, agrochemicals, fungicidal creams and lotions, and hair dyes. " (WHO source)

In a notice published in 2013, the SCCS (Europe) concluded that "Resorcinol is a powerful sensitizer."

Studies suspect the substance of being an endocrine disruptor:
In humans, thyroid effects, CNS disorders and erythrocyte abnormalities have been attributed to resorcinol exposure Skin sensitization to resorcinol is well known but rare in practice, and the available data do not allow evaluation of resorcinol. sensitizing power of this compound. " (WHO source)
Restriction in Europe: III/22
The restrictions are dependent on the use of the ingredient in:
a) Oxidation dye for hair coloring
b) Products intended for coloring eyelashes
c) Hair lotions and shampoos

The maximum authorized concentrations are as follows:
For a) and b): After mixing under oxidative conditions, the maximum content applied to the hair or eyelashes must not exceed 1.25%.
b) Professional use only
c) 0.5%

Wording of conditions of use and warnings:
a) Must appear on the labeling:
The mixing ratio
“Hair dyes can cause severe allergic reactions.
Read and follow the instructions.
This product is not intended for use on persons under the age of sixteen.
Temporary black henna tattoos may increase the risk of allergies.
Do not color your hair if:
- you have a rash on your face or if your scalp is sensitive, irritated or damaged,
- you have already had a reaction after coloring your hair,
- you have had a reaction to a temporary black henna-based tattoo in the past.
Contains resorcinol.
Rinse hair well after application.
Rinse eyes immediately if product comes into contact with them.
Do not use for coloring eyelashes and eyebrows."

b) Must appear on the labeling:
The mixing ratio.
“Reserved for professionals.
Contains resorcinol.
This product may cause severe allergic reactions.
Read and follow the instructions.
This product is not intended for use on persons under the age of sixteen.
Temporary black henna tattoos may increase the risk of allergies.
Do not use to color eyelashes:
- a person with a rash on the face or a sensitive, irritated or damaged scalp,
- a person who has already had a reaction after coloring their hair or eyelashes,
- of a person who has had a reaction in the past to a temporary black henna-based tattoo.
Rinse eyes immediately if product comes into contact with them."

c) Contains resorcinol.
Its functions (INCI)
  • Antioxidant : Inhibits reactions favored by oxygen, thus avoiding oxidation and rancidity
  • Denaturant : Makes cosmetics unpleasant. Mainly added to cosmetics containing ethyl alcohol
  • Hair dyeing : Colors the hair
  • Perfuming : Used for perfume and aromatic raw materials
This ingredient is present in 0.77% of cosmetics.
Men's hair colouring (54.21%)
Hair color (49.87%)

Products that contains it

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