1 citations
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July 2024 in “Journal of Cosmetic Dermatology” This study found that 63.4% of androgenetic alopecia patients showed clinical improvement after 6 months of low-dose oral minoxidil, with patients having low sulfotransferase activity in hair follicles responding more favorably than those with high enzyme activity.
56 citations
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December 1990 in “Differentiation” Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.
17 citations
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September 1953 in “Journal of Cell Science” This study found that the tetrazolium salt INT is the most effective for revealing dehydrogenase activity and certain histological structures in sheep and other mammals' skin.
12 citations
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May 2023 in “EMBO reports” In this study with organ-cultured human scalp hair follicles, high mTORC1 activity correlated with gray/white hair and reduced pigmentation, while inhibiting mTORC1 with rapamycin increased hair growth and pigmentation, suggesting mTORC1 inhibition could be a strategy for treating hair depigmentation and loss.
11 citations
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August 2013 in “International Journal of Cosmetic Science” This study found that a combination of Trichogen and climbazole may inhibit protease activity and increase the force required to remove human hair, suggesting potential to reduce excessive hair shedding.