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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
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March 2021 in “Experimental dermatology” Stem cells are key for the growth, upkeep, and repair of sebaceous glands and for understanding skin disorders.
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October 2018 in “Frontiers in cellular and infection microbiology” Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.
April 2024 in “Molecules/Molecules online/Molecules annual” Paris polyphylla saponins may effectively treat acne due to their antibacterial and anti-inflammatory properties.