Oligo Blacklight Blonde Science [NEU VIO] Violet Shampoo Professionnel, inspired by skincare and nutrition science, gently cleanses while neutralizing unwanted yellow tones and eliminating up to 100% of brassiness. Rich in antioxidants and essential fatty acids, it leaves hair soft, luminous, and perfectly balanced. Recommended for highlighted, coloured, or natural blonde hair levels 8–10, as well as white hair prone to yellow tones. Contains 11% more dyes than the retail formula for intensified neutralization.

Features & Benefits:
Professional formula
Gentle cleansing action
Neutralizes unwanted yellow tones
Revives faded highlights
Eliminates up to 100% brassiness
Free from sulfates, salts, parabens, formaldehyde, MI/MCI, gluten, and animal by-products
Not tested on animals