What it is: An ultra-violet, anti-brass mask that neutralizes and perfects lightened, cool blonde, bleached, or grey hair.Hair Type: Straight, Wavy, Curly, and CoilyHair Texture: Fine, Medium, and ThickHair Concerns: Damage/Split Ends/Breakage and BrassinessFormulation: Rich CreamHighlighted Ingredients: - Hyaluronic Acid: Fills and strengthens fiber damage from within and resurfaces cuticle for uniform porosity. - Edelweiss Flower: Anti-oxidative power against daily damage and softens and calms sensitized fiber. - Ultra-violet Neutralizers: Durably neutralize brassy and yellow tones and tailor results through product pairing.What Else You Need to Know: One-of-a-kind for professional blonde color care, this ultra-nourishing mask neutralizes unwanted brassy and yellow undertones. This unique hair mask is perfect for strengthening and resurfacing fiber damage for a flawless blonde result.