When the first grey hairs appear, many men immediately think about dying their hair. The alternative to this is Alpecin Tuning Shampoo. If you start early enough, the first grey hairs will not become visible until later. The hair colour is tuned simply and quickly with each daily hair wash. The colour effect keeps dark hair dark The effective hair pigments in Alpecin Tuning Shampoo keep dark hair looking dark. This colour effect is inconspicuous and only becomes more intensive with regular use. It gradually washes out when normal shampoo is used. The hair effect prevents hereditary hair loss In addition, Alpecin Tuning Shampoo also prevents hereditary hair loss. Washing your hair daily with the shampoo supplies the hair roots with the activating caffeine complex. Alpecin Caffeine can be detected in the hair roots after just 120 seconds of residence time.   How to use: Leave on the scalp for 2–5 minutes from application to rinsing out. Only apply to dark to black hair.