33 citations
,
March 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
27 citations
,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
6 citations
,
January 2016 in “Menopause” Estrogen deficiency, like after menopause or certain surgeries, leads to faster skin aging and health issues.
4 citations
,
April 2022 in “Dermatologic Therapy” Injecting scalp tissue micrografts is a safe and effective treatment for hair loss after COVID-19.
4 citations
,
April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
January 2011 in “Bradford Scholars (University of Bradford)” Testosterone stimulates growth in intermediate hair follicles, but this can be blocked by cyproterone acetate.
47 citations
,
October 2020 in “Communications Biology” Balanced tension in skin is crucial for its structure and function.
93 citations
,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
86 citations
,
June 2017 in “Stem cell investigation” Stem cells from hair follicles can safely treat hair loss.
78 citations
,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
33 citations
,
September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
22 citations
,
April 2020 in “Frontiers in Cellular and Infection Microbiology” Alopecia areata may be linked to scalp microbiome differences, suggesting potential treatments with prebiotics, probiotics, and postbiotics.
11 citations
,
October 2020 in “PLoS ONE” Cooling can protect hair follicles from chemotherapy damage by reducing drug uptake.
9 citations
,
September 2018 in “Journal of Photochemistry and Photobiology B-biology” A hair-growth formula with cystine and thiamin helps protect skin cells against UV damage and improves their growth.
9 citations
,
March 2013 in “ISRN Stem Cells (Online)” Skin stem cells were turned into heart cells using a chemical, suggesting a new way to treat heart attacks.
January 2024 in “Biomedicines” Using stem cells from hair follicles to treat female hair loss is safe and effective after six months.
January 2012 in “TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN” Human hair can be used to study mineral changes from long-term space flight.
11 citations
,
July 2017 in “Regenerative Medicine” The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.
July 2026 in “Frontiers in Cellular and Infection Microbiology” Staphylococcus levels may indicate hair loss in men and could help develop new treatments.
April 2016 in “Journal of Investigative Dermatology” FOL-005, a new substance, was found to reduce hair growth without toxicity when injected into skin, suggesting it could be used to treat excessive hair growth.
73 citations
,
July 1977 in “Archives of Dermatology” Applying safflower oil to the skin reversed fatty acid deficiency symptoms in 21 days.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
36 citations
,
August 2012 in “Dermatology online journal” Using wigs, hairpieces, and sprays can help people with hair loss feel better about themselves.
34 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
14 citations
,
July 1977 in “PubMed” Applying linoleic acid to the skin fixed essential fatty acid deficiency symptoms.
14 citations
,
July 1977 in “Archives of Dermatology” Applying linoleic acid to the skin can reverse essential fatty acid deficiency symptoms.
5 citations
,
February 2021 in “Gels” HYDRO DELUXE BIO hyaluronic acid hydrogel is compatible with skin cells, may reduce inflammation, promote blood vessel growth, and protect against oxidative stress, suggesting it could help revitalize hair follicles.
1 citations
,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.