The two most frequent scalp problems affect men: hair loss and dandruff.

Dr. Wolff Research has developed a shampoo that simultaneously counteracts both problems: Alpecin Double-Effect Shampoo.1st effect: In the first step, this Double-Effect Shampoo loosens scaly, keratinous cells and thoroughly removes dandruff from the scalp. 2nd effect:The removal of dandruff from the scalp has prepared the way for the caffeine complex. Alpecin Double-Effect Shampoo contains highly dosed caffeine that penetrates into the hair roots already during hair washing.