SH1 is packed with strengthening proteins to help maximise hair density and injects strength into hair from the first wash, achieving thicker, fuller hair without weighing it down. Mild cleansing agents remove excess oil and product buildup. CD1 is fortified with thickening proteins to instantly swell the hair shaft and menthol to gently stimulate the scalp, leaving both healthy and nourished.Both products contain PATRICKS Recovery Compound (PRC), which is scientifically engineered to block the conversion of testosterone to DHT, which causes the hair cycle to shorten and hair follicles to shrinkBest suited to thin to normal hair. Those concerned with or beginning to experience hair loss. SH1 200ML | CD1 200ML