233 citations
,
February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
2 citations
,
February 2023 in “International journal of molecular sciences” Body hairs can be used in forensic science and toxicology like scalp hair.
January 2019 in “Journal of Drug Delivery and Therapeutics” Changing six essential health practices can help prevent excessive hair shedding.
66 citations
,
February 2015 in “Cell & tissue research/Cell and tissue research” The document concludes that there are no effective clinical treatments for hearing loss due to hair cell damage, but research is ongoing.
January 2015 in “Springer eBooks” Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
31 citations
,
April 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
5 citations
,
July 2021 in “Basic & Clinical Pharmacology & Toxicology” Melatonin may protect ear cells from damage caused by nicotine.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
April 2024 in “Skin appendage disorders” Environmental pollutants can damage hair health and cause hair loss.
10 citations
,
July 2021 in “Journal of Ginseng Research” Red ginseng oil may help grow hair and protect skin from UVC light.
4 citations
,
August 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
53 citations
,
July 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
37 citations
,
January 2015 in “Maturitas” Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
April 2024 in “International journal of clinical trials” SesZen-Bio™ improves hair density, thickness, and overall hair health.
109 citations
,
December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
29 citations
,
June 2005 in “Journal of Zoo and Wildlife Medicine” Most hair loss in captive rhesus macaques is likely due to environmental and behavioral factors.
17 citations
,
February 2015 in “Phytochemistry Reviews” Southeast Asian herbs show promise for skin and hair care, but more research is needed to confirm their effectiveness in cosmetics.
21 citations
,
May 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
31 citations
,
April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
71 citations
,
January 2012 in “PloS one” The conclusion is that genetic differences affect how the cochlea heals after hair cell loss, which may challenge the creation of hearing loss treatments.
4 citations
,
February 2022 in “Journal of Cosmetic Dermatology” Monocytes might be linked to hair loss after COVID-19.
March 2022 in “Wound practice & research” New treatments for alopecia areata show promise, but standardized guidelines are needed.
August 2023 in “Military Medical Research” Scientists have improved 3D models of human skin for research and medical uses, but still face challenges in perfectly replicating real skin.
January 2024 in “GeroScience” Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.
29 citations
,
December 2016 in “The EMBO Journal” Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.
9 citations
,
November 2021 in “Frontiers in Cell and Developmental Biology” PBX1 helps reduce aging and cell death in hair follicle stem cells by decreasing DNA damage, not by improving DNA repair.
January 2023 in “Biocell” Safflower extract helps protect hair follicle cells from damage caused by chemotherapy.
16 citations
,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.
242 citations
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February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.