BEAUTY fans claim their hair was stained green after using L'Oreal Colorista dye. The £6.99 semi-permanent pastel hair colour comes in 13 shades, from lilac to bright orange, and is said to wash out in “one to two weeks”.

Does Colorista wash out completely?

L'Oreal Paris Colorista Wash Out is a temporary hair colour that lasts between two and 15 washes. The wash-out formula has three conditioning agents to protect the hair fibre, while also detangling, softening and promoting shine.

How permanent is Colorista?

Colorista is formulated with no ammonia, no peroxide – a hair colour without the damage. Choose from the NEW Colorista Hair Makeup, 1-day colour for tips and highlights, Colorista Spray for 1-day colour you can easily spray on your strands or Colorista Semi-Permanent for bold colour that lasts 1-2 weeks.