mixing then the aqueous extract of salix alba and the zinc sulphate hexahydrate were added to this master solution to give the required combined extract this was obtained by adding an aroma to the composition obtained in example 1 and then freeze drying the mixture to give a powder which could be used directly as a food supplement a cosmetic lotion for scalp treatment was prepared from the following components the lotion was prepared by simple mixing of the composition obtained in example 1 and an excipient a medicinal lotion for scalp treatment was prepared from the following components the lotion was prepared by simple mixing of the composition obtained in example 2 and an excipient 1 study of anti hair loss effectiveness using the phototrichogram method with hair treatment used under normal conditions of use during 12 consecutive weeks 20 male volunteers aged from 35 55 and having slight to moderate baldness corresponding to types ii iv of the hamilton scale were treated using the composition of example 4 hamilton scale type 1 slightly receding hairline type ii receding hairline at the temples and thinning of the region of the vertex type iii meeting of the temporal recession and the vertex bald spot type iv baldness except for region of the temples type v hair loss in the vertex day 1 location of the temporal site cross sections of hair at the point of emergence from the scalp macrophotography of the region studied day 3 new macrophotography of the same region as at day 1 and beginning of treatment days 3 42 application of the product to the scalp twice a day 2 3 sprays on each occasion day 42 evaluation of.