Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector7995010.17816/kazmj79950MiscellaneousStrengthening hair growth. Карр (Deut. med. Woch., 1921, No.11)140219221821111111109202111092021Copyright © 2021, Eco-Vector2021<p>In the past, to enhance hair growth, they were limited exclusively to the use of chemical, thermal and electrical stimuli on the skin, with the aim of encouraging the hair papillae to intensify activity. Zuptz for the first time went to this goal in a different way, by introducing into the body, in a dissolved form, keratin, which is necessary for hair growth.</p>Kazan Medical archiveКазанский медицинский архив