Alpecin caffeine shampoo c1 6 bottle multi pack enables you to bulk buy and each bottle is as low as 418 each saving 20 off rrp alpecin caffeine shampoo stimulates the hair growth directly at the roots washing your hair daily with c1 immediately provides the hair roots with the activating caffeine ingredient which strengthens weakened hair roots and can prevent hereditary hair loss alpecin caffeine shampoo can be detected after being left on for as little as 120 seconds if left