September 1978 in “PubMed” This study found that chondroitin sulfate levels were higher than hyaluronic acid in skin and hair follicle samples, with the highest concentration observed in prekeratin of hair follicles and wool fibers.
September 2025 in “Cuadernos de Educación y Desarrollo” This study reviewed the literature on laser and light technologies in dermatology, highlighting their varied clinical applications such as skin rejuvenation, acne scar treatment, and hair removal, alongside their potential for combining with AI to improve outcomes.
4 citations
,
May 2020 in “PLOS ONE” This study found that ingenol mebutate treatment led to gene expression changes in actinic keratoses, with complete lesion clearance in 40% of patients and identified genetic markers potentially predicting treatment response.
April 2021 in “Arab Journal of Nuclear Sciences and Applications/Arab Journal of Nuclear Sciences and Applications ” This study found that repeated use of a protein hair conditioner, followed by hot air and gamma irradiation, may lower serum collagen I and increase heat shock protein concentrations in rats, suggesting potential cumulative risks.
May 2017 in “Journal of The American Academy of Dermatology” This phase 2 trial found that SM04554, a Wnt signaling modulator, was well-tolerated and increased follicle counts in males with androgenetic alopecia, suggesting potential for promoting hair growth.