L'Oréal Professionnel Hair Colour

8 intermixable shades of temporary hair dye for amazing mermaids and ultimate unicorns that will last up to 15 shampoos.

Ammonia-free and doesn't need peroxide. Comes in a 90-ml tube.

Designed to work on dark base colours (1–5), these 3 red shades give colour contrasts in just 15 minutes without the need to pre-lighten.

Each shade comes in a 50 ml tube.

Stabilised cream peroxide that's specially formulated to work with L'Oréal permanent colour like Majirel or Majicontrast.

Available in 1-litre bottles of 3.75% (12.5 vol), 6% (20 vol), 9% (30 vol), or 12% (40 vol) solution.