April 2017 in “Journal of Investigative Dermatology” This study found that down-regulation of sonic hedgehog gene expression is a critical early event in chemotherapy-induced tissue damage in hair and feather follicles.
April 2026 in “Comprehensive Psychoneuroendocrinology” This study found a partial positive association between adulthood stressor exposure and hair cortisol levels, but noted inconsistent results across two studies, reflecting variability seen in previous research.
15 citations
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January 1998 This study found that repeated cycles of wetting and blow-drying hair fibers can cause cracks in the hair cuticles, particularly among individuals who frequently blow-dry their hair.
January 2017 in “Durham e-Theses (Durham University)” This study developed new label-free imaging methods to analyze human hair, identifying distinct chemical environments within cuticle layers and changes in hair structure caused by depilatories, while showing that the treatments tested did not significantly affect skin cell differentiation or proliferation.
10 citations
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April 2022 in “Frontiers in Genetics” This study identified and analyzed 88 MYB genes in Curcuma wenyujin, finding that specific genes are significantly induced by cold, NaCl, and MeJA stress treatments, which suggests their role in stress response mechanisms.