Acid Yellow 1
What is it?
In cosmetics and personal care products, Acid Yellow 1 is used in the formulation of hair coloring products.
Safety Information
Acid Yellow 1, when certified by the Food and Drug Administration (FDA), is referred to as Ext. Yellow 7 and can be used in coloring externally applied cosmetics. Please refer to Ext. Yellow 7 for more information on the certified color.
Why is it used in cosmetics and personal care products?
Acid Yellow 1 imparts color to hair. The exact color obtained will depend on the other ingredients that are used in the preparation and the starting color of the hair.
Scientific facts:
Acid Yellow 1 is a synthetic pigment sometimes referred to in general terms as a nitro color.
