January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
Low Vitamin D3 levels are linked to hair loss in female students in South India.
January 2014 in “Dongwu yingyang xuebao” A dietary vitamin A level of 10,000 IU/kg is best for growing Rex rabbits.
September 2013 in “中国医师杂志” Human scalp hair follicles grow well in Williams E medium, which may help with hair transplants.
January 2013 in “kerbala journal of pharmaceutical sciences” Low zinc levels are strongly linked to hair loss in adult premenopausal women.
January 2013 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” YiFa compound serum may help treat hair loss by boosting hair follicle stem cell activity.
January 2012 in “Iraqi postgraduate Medical Journal” Serum ferritin is a better indicator than hemoglobin for detecting low iron in women with chronic hair loss.
Black sesame oil promotes hair growth and may prevent hair loss.
January 2009 in “International Journal of Trichology” Dr. Shyam B Verma encourages more scientific research on hair disorders and criticizes the unscientific hair care market in India.
January 2004 in “Dermatologic Surgery” Storing hair follicles in a special buffer with certain inhibitors can increase hair growth and improve transplant results.
Nutritional deficiencies can cause hair loss, but it can be reversed with a normal diet and less stress.
November 1982 in “Inpharma” Spironolactone reduces hair growth in women with unexplained excessive hairiness.
Malnourished people have weaker hair that is easier to pluck.
April 1980 in “Archives of Dermatology” Zinc deficiency didn't cause visible hair changes in the patient.
December 2021 in “International Journal of Research in Dermatology” Female pattern hair loss in Saudi women is linked to low iron and vitamin D levels.
October 2020 in “Clinical and Experimental Dermatology” Hair loss improved after removing pituitary tumor.
2 citations
,
July 2018 in “Skin research and technology” Greasy hair spreads sebum twice as much as nongreasy hair over time.
September 2025 in “Biochemical and Cellular Archives/Biochemical and cellular archives” Herbal hair care products are effective, safe, and eco-friendly alternatives to synthetic ones.
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.
11 citations
,
May 2010 in “Journal of Medicinal Chemistry” A new compound was created in 2010 that can control oil production when applied to the skin, and its effects are completely reversible after two weeks.
7 citations
,
March 2005 in “International Journal of Cosmetic Science” Menopause reduces hair quality, but hormone therapy can help improve it.
November 2025 in “Cosmetics” Centella asiatica with growth factors improves hair and scalp health.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Hair analysis can be unreliable due to external contamination and varying drug concentrations.
Use gentle products and nourishing masks to keep thin hair strong and voluminous.
128 citations
,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
97 citations
,
September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
77 citations
,
April 1968 in “Development” Excess vitamin A can cause hair follicles to change into gland-like structures.
67 citations
,
April 2014 in “Biochemical Journal” Ceramide synthase 4 deficiency in mice leads to hair loss due to altered sebum lipids.
50 citations
,
September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.