Alpecin Caffeine Hair Booster provides your hair with the optimum concentration of caffeine. The active ingredients penetrate your hair shafts thanks to its unique galenic formula. There it counteracts testosterone attacks and energizes and strengthens your hair. 
WHO TO USE: 
 Apply this after-shampoo liquid to strengthen and nourish thinning hair, ideally on days when not shampooing.
 Ingredients: 
 Water, Alcohol Denat., Panthenol, PEG-40 Hydrogenated Castor Oil, Menthol, Caffeine, Zinc PCA, Niacinamide, Citric Acid, Tocopheryl Acetate, Retinyl Acetate, Helianthus Annuus (Sunflower) Seed Oil, BHT, Fragrance, Limonene, Linalool, Citronellol, Citral.
- NOURISHING TONIC: This after shampoo liquid strengthens and nourishes thinning hair.
- THICKER, STRONGER HAIR: Caffeine, zinc, and niacin work together in this men's scalp tonic to recharge your thinning hair for a thicker, stronger, fuller feel.
- LEAVE-IN CAFFEINE SCALP TONIC: Perfect for use on days you don't shampoo, the Alpecin After Shampoo Liquid supplies your hair with the daily dose of caffeine needed to maintain natural hair growth for a fuller-looking head of hair.
- ENERGIZE AND RECHARGE: With caffeine and castor oil, this scalp tonic recharges and energizes the strands for a fuller-looking head of hair.
- FIGHT FOR YOUR HAIR: Daily use of our Alpecin scalp tonic helps promote natural hair growth and keeps your hair looking and feeling thick and full.