Health & Beauty > Hair > Shampoo & Conditioner.Brand : Kerastase.Kerastase Initialiste Scalp and Hair Serum Concentrate 2.2 Oz..Advanced scalp and hair serum that strengthens hair fibers and reduces hair breakage by restoring uniformity and smoothness.Reduces hair breakage. Illuminates shiny hair.How to UseDepending on hair type, 2 pipettes for fine hair and 4 for thick hair, position the pipette directly at the root and scalp to distribute 1 full pipette of the serum in a straight line from the front to the back of the head. Follow the pipette with your fingers to massage the serum into the root and scalp as you work through each section. Once application is complete in all sections, massage the entire head to distribute the serum evenly and comb through. Leave in and proceed to blowdry. Recommended to use at least 3 times a week.Enters the deepest layers of the cuticle to strengthen existing hair..Repairs the flexibility and elasticity of damag