Which hair type is it good for?✔ Straight✔ Wavy✔ Curly✔ Coiled✔ Tightly Coiled. What it is: A purple treatment mask that neutralizes brassy or yellow tones for light blonde hair. Key benefits:- Neutralizes brassy, grey and yellow tones - Deeply nourishes hair with shea butter, sweet almond, and buriti oil - Revives highlights If you want to know more's. Highlighted, colored, or bleached blonde hair tends to become grey or yellow over time, while natural blonde hair can become dull and lack shine. The nourishing ingredients in this tinting hair maskalmond butter, shea butter, and buriti oilcombined with an acidic p. H of 4.5 help minimize porosity, fix natural oxidation, and evenly distribute color. The selection of iridescent pigments and fiorentina iris neutralizes brassy or yellow tones, restoring the shine, brightness, and contrast of hair color. What it is formulated WITHOUT:- Parabens- Sulfates- Phthalates. What else you need to know: The longer you leave this mask on, the more intense your results will be. Feel free to mix with other shade variation masks to create your own custom color nuance. This product is not tested on animals, and is free of silicones, oxidants, and ammonia.This product is an Allure Best of Beauty winner and Harper's Bazaar 2021 Hair Award.