Olaplex No.4P Hair Brightening & Toning Purple Shampoo 8.5 fl oz

• Brightens hair color and enhances shine
• Neutralizes unwanted yellow tones & brassiness
• Repairs everyday damage and defends against future breakage

Key Ingredients

• Violet Toning Agents Seal in brightness and balance tone to reduce brassiness and yellow tones.
• Gentle Blend of Coconut Oil-Derived Surfactants Provides easy lather and leaves the scalp and hair feeling hydrated.

Research Results

• 3X brighter hair*
• 90% agree hair was less brassy**
• Repairs everyday damage in 1 wash and strengthens hair at a molecular level
• *Compared to top purple shampoos.
• **Based on an independent consumer perception study of 60 women with bleached/color-treated blonde hair when used as a system with No.5P.