Alpecin Double Effect Shampoo with caffeine complex helps to fight thinning hair and dandruff. Its unique formula gently removes dandruff and provides relief from an itchy scalp, while the active ingredients penetrate the hair root to strengthen it against hereditary hair loss. For best results, massage into the scalp and leave for 2 minutes before rinsing. Use daily for your hair care routine. This shampoo does not contain softening silicones.