This effective formula contains very little ammonia and is fortified with collagen that penetrates the hair strand during the coloring process to treat damaged hair from the inside out.
Collagen serum nourishes hair and makes it smoother.
how to use:
Mix an amount of hair bleaching cream in a non-metallic bowl with a double amount of oxidizing cream and collagen serum, then mix them well.
Divide the hair into four sections.
Apply the product to the hair and keep it 1 cm away from the hair roots for the last time.
Leave the product on the hair for 30 to 40 minutes (depending on the degree of whitening required), then rinse it well with water.