Peter Lamas Hair Solutions Energizing Scalp Serum Some product has been used, majority of the serum is remaining (see last photo), 50 ml bottle For thicker, fuller hair Our HAIR SOLUTIONS ENERGIZING SCALP SERUM is a leave-in hair formula that helps promote healthier, fuller hair. A combination of Apple Stem Cells, Baicapil, and the Peter Lamas blend of Chinese Herbs energizes the scalp to thicken hair and help reduce breakage.