March 2026 in “Cosmetics” In this comprehensive review, researchers reported that macromolecules like type I collagen, keratin, and ceramides enhance hair health by improving follicular function and increasing hair density, strength, shine, and resilience, as shown in various in vitro, animal, and human studies.
309 citations
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May 1993 in “Journal of The American Academy of Dermatology” This study concluded that horizontal sections of scalp biopsy specimens provide more diagnostic information for male pattern androgenetic alopecia than vertical sections and can predict hair regrowth potential following topical minoxidil therapy.
February 2026 in “SHILAP Revista de lepidopterología” This study demonstrated that engineered exosomes loaded with growth factors, EGF and FGF, could successfully repair the hair follicle microenvironment in an androgenetic alopecia mouse model, enhancing hair growth without causing adverse immune reactions or toxicity.
44 citations
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August 2008 in “Archives of Dermatology” This abstract provides no results; it is a website notification about cookies and general access to JAMA content.
This study consolidates information on the unique structural and functional biology of Indian hair, reporting distinct scalp microbial ecology and trichoscopic parameters, which are important for diagnosing and treating hair conditions in Indian populations.