FRANK Shampoo prevents male hair loss. The formula contains Biochanin A and the peptide complex Acetyl Tetrapeptide-3 which has an inhibitory effect on DHT - the hormone that causes male hereditary hair loss. Use: More than half of all men suffer from hair loss, and there is no miracle cure. The best medicine is taking preventive action early. Apply the shampoo in your hair and your scalp and rinse as a part of your daily showering routine. The product is developed for daily use. 300 ml FRANK Keep Your Hair Shampoo 300 ml