24 citations
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November 2016 in “Molecular Medicine Reports” This study found that women with acne resistant to conventional treatments had significantly higher levels of testosterone, DHEA‑S, prolactin, and LH, suggesting potential underlying hormonal disorders.
September 2023 in “Clinical, cosmetic and investigational dermatology” This case series reports successful treatment of refractory folliculitis decalvans using surgical excision with second-intention healing and guarded high-tension suturing, resulting in long-term remission without recurrence over a 10–24 month follow-up period.
18 citations
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March 2011 in “Archives of ophthalmology” This review of periocular tinea in children found that eyelash loss and prolonged misdiagnosis are common, highlighting the need for considering fungal infections in cases refractory to standard treatments.
May 2020 in “Current developments in nutrition” This study suggests that retinoic acid synthesis and signaling may play a role in maintaining refractory telogen, potentially inhibiting the hair cycle in mice fed varying levels of vitamin A.
2 citations
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April 2022 in “Clinical, cosmetic and investigational dermatology” In this case series, four African American women with treatment-resistant central centrifugal cicatricial alopecia showed scalp itch relief and significant hair regrowth after using a new botanical formula for 8 weeks to 1 year, with no adverse effects reported.