Hair Dyes

Acid Red 27

INCI: ACID RED 27
CAS 915-67-3 EC 213-022-2
Trisodium 3-hydroxy-4-(4'-sulphonatonaphthylazo)naphthalene-2,7-disulphonate) (CI 16185)
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Trisodium 3-hydroxy-4-(4'-sulphonatonaphthylazo)naphthalene-2,7-disulphonate) (CI 16185)

Purpose

Function

Hair Dyeing
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Restricted
Safety
MODERATE
US
Banned
EU Max ConcentrationII/1350 (Acid Red 27; CI 16185: when used as a substance in hair dye products)
Absorptionlow
Sensitizationlow
MoSadequate
NOAEL15 mg/kg
ConcernMedium
Flags
cosing-sourcedeu-restrictedneeds-enrichmenteu_banned_cosmeticseu_children_restrictedfda_food_additiveeu_cosing_listed
Verdict

ACID RED 27 is listed in the EU CosIng database with functions: Hair Dyeing It is restricted under EU Cosmetics Regulation. Restriction: II/1350 (Acid Red 27; CI 16185: when used as a substance in hair dye products).

US Note

Banned - FD&C Red No. 2 was banned by FDA in 1976 due to carcinogenicity concerns

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
915-67-3
EC Number
213-022-2
INCI
ACID RED 27
Category
Hair Dyes
Updated
Apr 23, 2026