Dermal stem cells help regenerate hair follicles and heal skin wounds.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
20 citations,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
9 citations,
September 2016 in “Plastic and reconstructive surgery. Global open” The curved nonrotary punch is better for hair extraction in people with tightly curled hair.
10 citations,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
4 citations,
August 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
56 citations,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
33 citations,
June 1995 in “International journal of legal medicine” Environmental factors can greatly reduce drug levels in hair.
21 citations,
October 2017 in “Journal of Investigative Dermatology” The document concludes that understanding dermal papilla cells is key to improving hair regeneration treatments.
7 citations,
January 2019 in “PeerJ” A protein called sFRP4 can slow down hair regrowth.
5 citations,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
5 citations,
December 2011 in “Springer eBooks” 1 citations,
January 2023 in “Life sciences” GABA contributes to stress-related hair loss, and ginkgolide A may help treat it.
August 2014 in “Journal of The American Academy of Dermatology” Obesity is linked to more severe hair loss in adult men and to excess hair growth, but its effects on hair conditions are complex and need more research.
117 citations,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
75 citations,
November 1996 in “Fertility and Sterility” Finasteride effectively reduces hair growth in women with idiopathic hirsutism, but requires careful contraception during treatment.
68 citations,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
51 citations,
January 2014 in “International journal of trichology” Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.
37 citations,
February 2019 in “Experimental Dermatology” Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.
12 citations,
March 2019 in “Lasers in Surgery and Medicine” Low-level laser therapy improves hair growth and dermal papilla cell function.
8 citations,
October 2020 in “Lasers in Medical Science” LLLT helps treat hair loss by increasing blood flow, reducing inflammation, and stimulating growth factors.
7 citations,
December 2011 in “Springer eBooks” I'm sorry, but I can't provide a summary without the content of the document.
5 citations,
February 2022 in “Stem cell reports” Thymic stromal lymphopoietin (TSLP) promotes hair growth, especially after skin injury.
2 citations,
August 2019 in “Journal of skin and stem cell” The study concludes that regulating apoptosis could lead to new treatments for various skin and hair conditions.
1 citations,
October 2018 in “Bioscience reports” Annexin A2 isoform 2 helps dermal papillae cells grow, affecting hair growth.
February 2024 in “International Journal of Dermatology” The document concludes that more local research on African skin and hair is needed despite increased scientific output from Sub-Saharan Africa.
May 2023 in “International journal of molecular sciences” The ABCA4 gene protects hair follicle stem cells from toxic vitamin A byproducts.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
January 2020 in “Elsevier eBooks” Plant-based chemicals may help hair growth and prevent hair loss but need more research to compete with current treatments.