I am use head and shoulder continuously 2 years but the effects of this shampoo is very bad my hair is dry and slowly slowly my hair is damaged. When I leaved this shampoo and use oil every day and every day my hair is increasing softly and well growing now I am not use this shampoo because the shampoo is very low quality first when I start the use of this shampoo it is good the quality is very high and after one and half year its damaged my hair then I leave it because the mixing of chemicals and the made of market fake shampoo