10 citations,
January 1994 Hair can be straightened using different chemicals, not just strong alkali.
47 citations,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
October 2001 in “WORLD SCIENTIFIC eBooks” Many substances, including chemicals and metals, can cause skin reactions; careful handling and identification of allergens are crucial to prevent dermatitis.
208 citations,
December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
19 citations,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
1 citations,
January 2016 in “Springer briefs in molecular science” Natural plant-based substances can be used as effective hair dyes.
1 citations,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
43 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
8 citations,
October 2014 in “Journal of analytical toxicology.” Chemical hair straightening significantly reduces detectable drug levels in hair.
63 citations,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
23 citations,
January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
19 citations,
March 2011 in “Cutaneous and Ocular Toxicology” Some chemicals absorbed through the skin can cause serious health problems.
19 citations,
June 1999 in “Steroids” Different halogens on progesterone derivatives can either block or mimic male hormone effects, depending on their type and amount.
10 citations,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
5 citations,
December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
3 citations,
January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
1 citations,
January 1967 in “The BMJ” The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.
PlacMA hydrogels from human placenta are versatile and useful for cell culture and tissue engineering.
May 2022 in “Pharmacognosy journal” Moringa seed oil may help prevent hair loss and promote hair growth.
January 2016 in “Journal of chemical and pharmaceutical research” Angiopteris evecta extracts significantly promote hair growth in rabbits.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
53 citations,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
6 citations,
February 2023 in “Biomaterials Research” Special gels help heal diabetic foot sores and reduce the risk of amputation or death.
January 2024 in “Collagen and leather” The conclusion is that using bovine milk permeate to remove wool from sheepskins is eco-friendly and results in smoother, higher quality leather compared to traditional sulfide methods.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
July 2024 in “Journal of Nanobiotechnology” Mouse cell exosomes help hair regrowth and wound healing by activating a specific signaling pathway.
14 citations,
February 1994 in “Tetrahedron Letters” Adding cerium(III) chloride to Grignard reagents improves the making of compounds that could treat prostate issues and hair loss.
November 2023 in “Global journal of medical research” Understanding the properties of hyaluronic acid helps improve its use in facial aging treatments.
9 citations,
September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.