Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
June 2008 in “British Journal of Dermatology” Herpes gestationis is linked to certain antigens, atopic eczema affects T cell populations and may be eased by breastfeeding, higher doses of anti-androgen treatment can improve androgenic alopecia, topical minoxidil increases hair thickness, long-term methotrexate therapy can cause liver fibrosis in psoriasis patients, and Lichen Sclerosus et Atrophicus patients aren't at higher risk for autoimmune disorders.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
Isotretinoin and tazarotene help treat acne, while minoxidil and finasteride promote hair growth.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
February 2024 in “Research Square (Research Square)” People today have lower levels of arsenic, lead, cadmium, and iron in their hair than people did 100 years ago.
January 2023 in “International Journal of Research Publication and Reviews” Some herbal ingredients like linalool and tea tree oil have anti-dandruff properties and are safe for use in shampoos.
Avicennia marina extract and avicequinone C can potentially promote hair growth and treat hair loss by interfering with hair loss mechanisms and boosting growth factors.
Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.
July 2020 in “Environmental Science and Pollution Research” Finasteride harms invertebrates' survival and burial ability.
36 citations,
May 2005 in “BMC dermatology” DPCP is effective for treating severe alopecia areata, but relapse is common.
8 citations,
January 2023 in “Biosensors” Piezoelectric Nanogenerators are promising for non-invasive health monitoring but need efficiency and durability improvements.
3 citations,
November 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Pumpkin seed oil may help hair grow and could be an alternative treatment for male hair loss.
1 citations,
April 2022 in “Journal of Ayurveda and integrative medicine” Blumea eriantha DC extract shows strong potential for promoting hair growth.
August 2022 in “Nutrients” Nutritional supplements may help improve hair growth in female pattern hair loss.
96 citations,
September 2021 in “International Journal of Molecular Sciences” Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.
10 citations,
February 2021 in “International Journal of Nanomedicine” Chitosan-decorated finasteride nanosystems improve skin retention and could be a better treatment for hair loss.
4 citations,
January 2022 in “Journal of nanomaterials” Silver nanoparticles made from Ziziphus nummularia fruit extract promote hair growth and fight bacteria and fungi.
2 citations,
April 2023 in “Polymers” The study created 3D-printed pills that effectively release a hair loss treatment drug over 24 hours.
1 citations,
May 2022 in “International Journal of Cosmetic Science” Edelweiss extract can increase hair density and promote hair growth.
September 2023 in “Pharmaceuticals” Tiny particles improved delivery of hair loss treatments to hair follicles, with lipid-based particles performing best.
949 citations,
January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
550 citations,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.
286 citations,
June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
245 citations,
October 2015 in “Nature medicine” Hair follicle-derived IL-7 and IL-15 are crucial for maintaining skin-resident memory T cells and could be targeted for treating skin diseases and lymphoma.
195 citations,
April 2010 in “Journal of Investigative Dermatology” Free fatty acids in sebum boost skin's defense against acne by increasing antimicrobial peptides.
169 citations,
February 2018 in “Immunity” Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.
164 citations,
March 2010 in “Journal of Cell Science” Human dermal stem cells can become functional skin pigment cells.
129 citations,
January 2004 in “Journal of medicinal chemistry” Researchers developed new compounds that target the androgen receptor effectively with fewer side effects.