4 citations,
July 2016 in “Dermatologic Surgery” Higher epinephrine concentration and specific injection sites increase scalp vasoconstriction time.
73 citations,
January 2013 in “Annals of Dermatology” People with hair loss, especially those with certain types, have lower zinc levels, and zinc supplements might help.
33 citations,
June 1995 in “International journal of legal medicine” Environmental factors can greatly reduce drug levels in hair.
27 citations,
July 1982 in “British Journal of Dermatology” The antiandrogen 11α-hydroxyprogesterone effectively reduces skin oil and cholesterol when applied to the skin.
12 citations,
June 2017 in “Dermatologic therapy” Higher concentrations of dithranol can help regrow hair in severe alopecia areata.
6 citations,
November 2020 in “Clinical Cosmetic and Investigational Dermatology” Both concentrations of triamcinolone acetonide are effective for hair regrowth in patchy alopecia areata, but 5 mg/mL is recommended to reduce side effects.
6 citations,
November 1997 in “International Journal of Dermatology” Women with acne and irregular periods had higher active testosterone levels, which could suggest the usefulness of antiandrogen treatment.
5 citations,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
5 citations,
March 2020 in “Journal of Cosmetic Dermatology” High concentration Minoxidil and Carboxygas effectively treated resistant hair loss with no side effects.
3 citations,
January 1985 in “British Journal of Dermatology” Zinc sulphate solution was not effective in reducing the number, duration, or severity of recurrent herpes simplex infections.
1 citations,
December 2019 in “Frontiers in endocrinology” Higher androgen levels during puberty are linked to shorter adult height in boys with Silver-Russell syndrome.
High concentrations of retinoic acid kill hair follicle stem cells, while low concentrations may help treat skin diseases.
October 2023 in “Èkologiâ čeloveka” People in Moldova have less selenium in their hair than recommended, which may contribute to hair loss.
August 2023 in “Journal of Cosmetic Dermatology” Higher concentration of botulinum toxin A is safe and effective for treating hair loss in men and women.
July 2023 in “Fayoum University Medical Journal” Higher concentrations of Minoxidil are more effective for hair growth in androgenetic alopecia.
Hair and nails can show hormone changes during puberty in dogs.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
January 2023 in “Journal of applied animal research” Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.
July 2022 in “Journal of Investigative Dermatology” High platelet numbers in PRP may not be essential for hair growth, and certain growth factors could negatively affect treatment outcomes for hair loss.
June 2021 in “Current Biochemistry” Stingless bee propolis at a 6.25% concentration effectively stops dandruff-causing bacteria growth, performing better than ketoconazole.
February 2019 in “Journal of the Faculty of Agriculture Kyushu University” Terpene concentrations in coniferous trees are highest in spring and summer, making these seasons best for extracting essential oils.
January 2019 in “The Pharma Innovation Journal” The best mix for a hair loss treatment cream is 10% Sophora japonica tincture and 5% Serenoa repens extract.
October 2020 in “Journal of Pakistan Association of Dermatology” Finasteride appears safe for long-term sperm concentration, but more research is needed for clear conclusions.
September 2017 in “ics.org” April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
52 citations,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
50 citations,
July 2015 in “Journal of the American Academy of Dermatology” Using 2.5 mg/mL triamcinolone acetonide is effective for hair growth in alopecia areata with fewer side effects.
50 citations,
February 2021 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
48 citations,
March 2003 in “BJOG: An International Journal of Obstetrics and Gynaecology” Mothers and newborns with dental fillings had higher mercury in their hair, but getting fillings during pregnancy didn't raise mercury levels further.