Sons Hair Strengthening Treatment Plan. Hair Growth Shampoo & Conditioner Plus Hair Styling Clay. DHT-blocker, Hair Thickening and Anti-Dandruff With Caffeine. 1 Month Supply. Made in Europe.WHAT IS SONS SHAMPOO? Sons Shampoo fights hair loss with saw palmetto to block DHT uptake the main cause of hair loss. It also has caffeine and glycerine to stimulate growth and support a healthy scalp. WHAT IS SONS CONDITIONER? Sons Conditioner softens hair and contains Octopirox to tackle dandruff, plus biotin, argan oil, and 11 amino acids key nutrients for healthy hair. WHAT IS HAIR THICKENING CLAY? Sons Thickening Hair Clay uses kaolin clay and