Yubi Blonde Anti-Brass Purple Heat Protecting Hair SerumThis multi benefit purple hair serum both neutralizes brassiness and helps protect hair from heat and protects hair from blowdry heat. Infused with Japanese high tech cool pigments and white peony extract, the serum uses a unique technology that delivers a gliding effect onto wet hair to provide instant radiance and shine, neutralization, smoothing, and blow dry heat protectant.