This ultra-concentrated purple shampoo reduces breakage and hydrates as it cleanses and tones from roots to ends. Use No.4P to neutralise brassy hair and yellow tones for brighter, softer, stronger blond hair, grey hair, or highlighted hair. Effective on natural and colour-treated hair.

Key benefits: Neutralises brassiness for brighter hair. Strengthens hair and repairs damage. Hydrates and softens hair.

Key ingredients: Violet Toning Agents seal in brightness and balance tone to reduce brassiness and yellow tones. Gentle Blend of Coconut Oil-Derived Surfactants provides easy lather and leaves the scalp and hair feeling hydrated.

Clinically proven: 3X brighter hair compared to top purple shampoos. 91% agree hair was less brassy based on an independent consumer perception study. 52% less breakage after one use when used as a system.