April 2024 in “Pharmacognosy research” The herbal hair dye with natural ingredients like henna was successfully made and tested, but more research is needed on its effectiveness on different hair colors and benefits.
8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
7 citations,
June 1994 in “Journal of The American Academy of Dermatology” Obesity may contribute to female hair loss by increasing male hormone levels that affect hair follicles.
62 citations,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
1 citations,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
16 citations,
January 2018 in “International journal of trichology” Genetics and nutritional deficiencies are key factors in premature graying of hair.
June 2023 in “Plastic and Reconstructive Surgery – Global Open” Exosomes may improve skin, scars, hair growth, and fat grafts in plastic surgery, but more research is needed.
Dermoscopy is useful for diagnosing hair loss patterns in dogs.
80 citations,
January 1995 in “The American Journal of Medicine” Hair loss in androgenetic alopecia is caused by genetic factors and androgen excess, and can be treated with combined therapies.
26 citations,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.