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September 2024 in “Journal of the American Academy of Dermatology” Botulinum toxin is not effective for treating male hair loss.
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March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
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February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
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July 2024 in “Journal of Investigative Dermatology” ITK inhibitors may effectively treat alopecia areata.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A parasite-derived molecule speeds up skin healing and affects immune cell behavior without increasing scarring.
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January 2006 in “Developmental Dynamics” Noggin gene inactivation causes skeletal defects in mice, varying by genetic background.