ACID BLUE 9 AMMONIUM SALT

Acid Blue 9 Ammonium Salt is classed chemically as a triphenylmethane colour. It conforms to the formula:

Restricted

Taiwan

Source: MFDS (Korea) cosmetic regulatory information

ASEAN

• Field of application and/or use : Hair dye substance in nonoxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
• Maximum authorised concentration in the finished cosmetic product : 0.5%
• Other limitations and requirements : The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use “wear suitable gloves” must be included in label or leaflet text.
• Conditions of use and warning which must be printed on the labels : Do not use to dye eyelashes or eyebrows

Restriction III/190 · SCCS opinion: Opinion on Acid Blue 9

Source: EU CosIng ingredient list