Olaplex No.4P Blonde Enhancer Toning Shampoo 8.5oz / 250ml SPLIT ENDS What is the heat-activated curl

What is the heat-activated curl memory technology

It is a permanent gray coverage color that blends with your natural shade for long-lasting results

It provides 3 levels of protection against heat

This lightweight whip adds conditioning shine and lasting body

protects against heat

Olaplex No.4P Blonde Enhancer Toning Shampoo 8.5oz / 250ml SPLIT ENDS What is the heat-activated curlOlaplex No. 4P Blonde Enhancer Toning Shampoo is a purple toning shampoo that strengthens, hydrates, and neutralizes brassiness, in an 8. 5oz 250ml bottle. Olaplex No. 4P Blonde Enhancer Toning Shampoo strengthens, hydrates, and neutralizes brassiness while keeping hair hydrated from roots to ends. It suits fine, medium, and thick hair across straight, wavy, curly, and coily textures, and targets dryness and brassiness while staying color safe.