Resorcinol
⚠ EU RestrictedIdentification
CAS Number 108-46-3
EINECS / EC 203-585-2
CosIng Ref 79461
Chemical Name Resorcinol (CI 76505)
Formula C6H6O2
Mol. Weight 110.11 g/mol
Function & Classification
Primary Function Hair Colorant
Secondary Functions DENATURANT; HAIR DYEING; PERFUMING
Origin Synthetic
EU Regulatory Status
Max Leave-on 0.1%
Max Rinse-off 0.5%
Restrictions Max 0.1% (body lotion); Max 0.5% (rinse-off hair products only).
Conditions of Use Hair dye: max 0.5%. Rinse-off hair: max 0.5%. Not for dyeing eyelashes/eyebrows.
Mandatory Warning Contains Resorcinol. Not for dyeing eyelashes or eyebrows.
SCCS Opinion View SCCS opinion →
Safety Profile
2 / 10
Known Contact Sensitizer Known to cause allergic contact dermatitis with repeated use or high concentrations.
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
Suppliers & Documents
No verified suppliers listed for this ingredient yet.
Are you a supplier of Resorcinol? Register as a supplier to add your listing and upload TDS & SDS documents.
Documents