June 2020 in “Journal of Investigative Dermatology” Hair growth treatment results vary because each patient's platelets release different levels of growth factors.
17 citations
,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
September 2025 in “Experimental & Molecular Medicine” Small molecules KY19382 and KY19334 may help treat skin cancer by reducing CDK1 levels and blocking harmful cell signals.
11 citations
,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
22 citations
,
August 2013 in “PLOS ONE” The method safely and efficiently delivers genes to the skin but may not work for conditions needing high levels of gene products.
8 citations
,
February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
6 citations
,
May 2013 in “PloS one” The Foxn1(-/-) nude mouse shows disrupted and expanded skin stem cell areas due to high Lhx2 levels.
4 citations
,
October 2021 in “Scientific Reports” NKIRAS2 can suppress certain skin tumors but its effect on cancer varies with context and expression level.
3 citations
,
April 2010 in “Endocrinology” The mouse model suggests male pattern baldness may be due to an enzyme increasing DHT and higher androgen receptor levels in hair follicles.
1 citations
,
June 2017 in “Veterinary dermatology” A cross-bred lamb with severe skin and movement issues had ichthyosis fetalis but normal vitamin A levels.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
29 citations
,
December 2005 in “BioEssays” Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.
9 citations
,
June 2019 in “Archives of Dermatological Research” Both topical calcipotriol and narrowband UVB improved alopecia, but combining them didn't enhance the effect on hair loss severity, despite higher vitamin D3 levels.
2 citations
,
January 1998 in “Dermatology” Stopping forehead irritation and using hydrocortisone helped a man's skin, Martinique has lower melanoma rates, a man had an allergy to a specific antifungal, another had unexplained cysts, certain drugs can cause skin reactions without always being interrelated, a link between Fanconi anemia and a skin condition was suggested, high levels of a certain protein may play a role in a type of psoriasis, and there's a need to study the connection between scalp pain and hair loss.
17 citations
,
May 2007 in “Forensic Science Medicine and Pathology” Clozapine levels in hair reflect dosage and bind more to pigmented hair.
5 citations
,
April 2023 in “Journal of Multidisciplinary Healthcare” Hair selenium levels can indicate nutritional status in very old people.
11 citations
,
June 2024 in “Clinical ophthalmology” High levels of Demodex mites can cause eye and skin problems.
23 citations
,
January 2016 in “Forensic Science International” Thermal hair straightening changes drug levels in hair, affecting test results.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
13 citations
,
September 2016 in “Journal of Cellular Biochemistry” Low oxygen levels help hair follicle stem cells turn into heart muscle cells faster.
12 citations
,
January 2019 in “Journal of Endocrinology” Baicalin may help reduce excessive male hormone levels in PCOS.
1 citations
,
December 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Keeping β-catenin levels high in mammary cells disrupts their development and branching.
1 citations
,
January 2022 in “Cell Biology International” Changing CDK4 levels affects the number of stem cells in mouse hair follicles.
1 citations
,
February 2021 in “Clinical, Cosmetic and Investigational Dermatology” Low iron levels in the blood could be a sign of Telogen Effluvium, a type of hair loss, but it's not always accurate in distinguishing it from other hair loss types.
April 2025 in “Journal of Investigative Dermatology” High LH levels cause hair loss by damaging and aging hair follicles.
March 2024 in “Skin research and technology” High CRP levels could indicate vitamin D deficiency in people with alopecia areata.
52 citations
,
May 1997 in “Journal of Biological Chemistry” High ornithine decarboxylase levels may lead to hair loss and cancer by increasing CK2 activity in the nucleus.
29 citations
,
April 2017 in “Macromolecular bioscience” Scientists created tiny pH-sensing gels that can safely measure the pH levels inside hair follicles.