INCI name

BASIC BLUE 99

Basic Blue 99

A cationic direct hair dye.

What it is

Basic Blue 99 is a cationic naphthoquinoneimine dye (CI 56059). CosIng lists it as a hair-conditioning and hair-dyeing ingredient. It is a direct dye, meaning it colours the hair without an oxidation step.

Where it is used

Found in semi-permanent hair colours, colour-depositing conditioners and toning shampoos.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

The label does not show the concentration or how intense the resulting colour will be.

Functions

Hair conditioning: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
Hair dyeing: Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, permanent, depending on the length of time the colorant remains on the hair.

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Scientific opinions (SCCS)

Scientific advice on hair dye ‘Basic blue 99’ (C059) (CAS No. 68123-13-7, EC No. 268-544-3) - Submissions IV & V

Opinions of the EU Scientific Committee on Consumer Safety that mention this ingredient. They assess specific uses and concentrations; read the opinion for its scope.

Products with this ingredient (20)

Check a full ingredient list