February 2023 in “Molecules” Cactus extract from Notocactus ottonis may help promote hair growth.
November 2022 in “The Journal of Clinical Endocrinology and Metabolism” Postmenopausal hyperandrogenism, a condition with symptoms like increased hair growth and acne, is usually caused by PCOS but can also be due to other factors. It's diagnosed by checking testosterone levels and treated either by removing the adrenal tumor or through antiandrogen therapy.
13 citations,
November 2012 in “International Journal of Dermatology” Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
52 citations,
January 1999 in “Journal of Small Animal Practice” Removing a cat's pancreatic cancer can temporarily reverse hair loss caused by the disease.
34 citations,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
18 citations,
March 1984 in “BMJ” Minoxidil helps hair regrowth in alopecia, but more research needed.