Inspired by a skincare minded approach, the Bright Blonde Essential Priming Serum replenishes essential moisture and eliminates brassiness using violet and pearlized pigments to reveal visibly brighter blonde hues. As the essential first step when caring for blonde hair, this lightweight serum allows for seamless layering of styling products and helps ensure more even distribution of product throughout the hair. Hair is left protected, touchably soft and lit from within.Dermatologist-tested. Formulated without parabens, sulfates or sodium chloride. Color and keratin treatment safe. UV protection for hair. Vegan, cruelty-free and gluten-free.How to Use:Dispense one to two pumps of product into hands and work through clean, towel-dried hair from just below roots to ends, focusing on any particularly dry or damaged areas. More product can be added for thicker textures or longer lengths. Can be used daily to brighten and tone blonde hair.