Alpecin Double Effect Caffeine Shampoo is a specialized formula designed to tackle two common hair concerns simultaneously: dandruff and hereditary hair loss. In the first step, it gently exfoliates the scalp to remove dandruff and relieve itching. In the second step, its caffeine complex penetrates the hair roots, strengthening them and promoting healthy hair growth. This dual-action shampoo leaves your scalp feeling refreshed and your hair looking stronger and more resilient.