Directions Semi Permanent Hair Colour | Black Amethyst is a permanent hair colour in our Permanent Colour range. Oxidative colour like this is chosen by shade number and mixed with the developer and ratio the manufacturer recommends.
At a glance
- Brand: La Riche
- Category: Hair Colour › Permanent Colour
Good to know
- Shade numbers usually show depth first, then tone.
- Use the mixing ratio and developer recommended by La Riche.
- Record the formula on the client card.






















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