Keep your blonde bright, cool, and beautifully nourished with the Olaplex No.4P Blonde Enhancer Toning Shampoo and No.5P Blonde Enhancer Toning Conditioner duo. Designed specifically for blonde, lightened, and grey hair, this powerful pair neutralizes brassiness while strengthening and hydrating every strand. Includes: - Olaplex No.4P Blonde Enhancer Toning Shampoo (250ml) – A highly concentrated purple shampoo that neutralizes yellow tones, brightens blonde hair, and strengthens with Olaplex’s Bond Building Technology™. Provides intense toning while maintaining softness and hydration. - Olaplex No.5P Blonde Enhancer Toning Conditioner (250ml) – A purple-pigmented conditioner that delivers deep hydration, smoothness, and toning to prolong cool blonde tones. Formulated with the same Bond Building Technology™, it repairs damage and prevents dryness or breakage.