Salerm Hairlab Hair Regenerator 4 x 13 ml ampoules are a shock treatment for hair. They are formulated with natural extracts, liquid keratin and ceramides. This treatment stimulates the scalp and promotes the growth of healthy hair. It also contains a combination of vitamins and amino acids that provide nutrients to the hair and dermis. To use the ampoules, you must apply the contents to damp hair, massage lightly and do not rinse. Salerm Hairlab Hair Regenerator 4 x 13 ml ampoules are ideal for fine or weakened hair.