Jing Zhang Pakistani students' scam?

Jing Zhang Ba students are not a scam. According to relevant public information, Jing Zhang Baxue Shengjia is useful for turning white hair black and growing hair, and has a patent certificate for promoting hair growth and delaying the generation of white hair. Its main components are yeast compound powder (collagen peptide, yeast powder, maltodextrin), salmon protein powder, coffee powder), D- mannitol, isomaltooligosaccharide, yam powder, black bean powder, yellow refined powder, medlar powder, walnut powder, Gordon Euryale seed powder and so on. These ingredients can nourish the scalp, supplement the nutrients needed by hair follicles and promote the production of melanin.