Concentrated masque penetrates deep into hair's cuticle to strengthen, soften & rescue high-lifted or highlighted hair with an intense dose of strength. Benefits Weightless, nourishing masque Contains 5x more Keravis than Perfect 4 Platinum Shampoo & Condition to equalize & even out porosity Transforms damaged blonde hair with enhanced elasticity, ultimate softness & incredible shine Directions: Shampoo. Rinse. Leave on 2-5 minutes. Rinse.