Philip Kingsley's Pure Blonde Booster Colour-Correcting Weekly Mask is a deep conditioning treatment that strengthens and restores blonde locks. Formulated especially for dull, damaged strands, this keratin packed formula neutralizes brassy blonde tones while improving moisture retention and flexibility. Key Ingredients:Hydrolyzed Keratin: targets the most damaged areas of the hair surface and cortex to replace and fill in lost keratin resulting in smooth, shiny, stronger hairHydrolyzed Vegetable Protein: increases hair strength and resistance to breakageHydrolyzed Oats: smooths and hydratesVitamin B5: draws moisture into the hair shaft to improve elasticity, moisture retention, and flexibilityMagnesium Aspartate, Zinc Gluconate, Copper Gluconate, Ext Violet 2: neutralize warm tones in blonde hair by distributing cool, violet pigments without leaving traces of blue/purple color on the hairKey Benefits:Fortifies hair Neutralizes brassinessReduces breakageSmooths and hydratesBoosts moisture retention | Philip Kingsley Pure Blonde Booster ColourCorrecting Weekly Mask, 5. 07 fl. oz | Dermstore