Liquid Hair with the RPN (Repair, Protect, Nourishing) formula and the new molecular hair refiller technology immediately builds up hair that is prone to breakage It also strengthens fine and brittle hair, improves the structure for up to 5 washes. The contained with keratin-building essential amino acid components strengthen the hair from the inside out and smoothes the cuticules by closing open "spots" on the hair Application: After washing, divide the towel-dried hair into 4-5 parts Add a pipette filling to each batch and distribute evenly from the base to the tips Comb through and blow-dry for 5 minutes to bind the ingredients to the hair Rinse for 20 seconds to remove the excess product