15 citations,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
13 citations,
July 2016 in “BMC Complementary and Alternative Medicine” Hominis Placenta helps hair grow back by increasing cell growth and a specific growth factor.
6 citations,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
5 citations,
June 2020 in “Journal of Endocrinological Investigation” Women with congenital adrenal hyperplasia (CAH) have more sexual function issues than those with polycystic ovary syndrome (PCOS), but physical activity can improve sexual functioning in all women.
4 citations,
August 2020 in “Journal of Cosmetic Dermatology” QR 678 and QR678 Neo treatments are effective for hair loss in women with PCOS.
4 citations,
February 2022 in “Frontiers in molecular biosciences” Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.
3 citations,
January 2019 in “Advances in stem cells and their niches” Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.
2 citations,
November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
February 2024 in “Bangladesh pharmaceutical journal” The herbal hair oil increased hair growth and reduced hair fall for most users without significant side effects.
December 2023 in “Frontiers in endocrinology” Excess androgens may cause PCOS, not just be a symptom.
Three Indian medicinal plant compounds help hair growth.
December 2018 in “Journal of harmonizrd research in applied science” Yoga and Ayurveda, including stress management and herbal oil use, can potentially reduce hair loss and promote hair growth, with further research needed for therapy protocols.
29 citations,
November 2014 in “Experimental Dermatology” Injecting alpha-melanocyte-stimulating hormone in mice improved skin healing and reduced scarring.
24 citations,
March 2022 in “Frontiers in plant science” Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.
23 citations,
January 2020 in “Frontiers in Pharmacology” Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
21 citations,
October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
20 citations,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
18 citations,
September 2015 in “Clinical Endocrinology” Women with PCOS have higher levels of a certain growth factor, which can be reduced by taking metformin.
12 citations,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
6 citations,
May 2021 in “JAMA network open” Babies who gain weight quickly, especially in the first 3 months, may start puberty earlier.
147 citations,
April 1994 in “Drug Safety” Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.
July 2024 in “Frontiers in Pharmacology” Pilose antler extracts help hair growth by activating hair follicle stem cells.
60 citations,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
2 citations,
January 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called FERONIA helps control root hair growth in response to cold and low nitrogen by activating nutrient-sensing pathways in a plant called Arabidopsis.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
58 citations,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
61 citations,
May 2015 in “Planta” Certain fungi and bacteria help orchid seeds germinate and plants grow better.
March 2021 in “Research Square (Research Square)” The SbbHLH85 protein helps sweet sorghum grow more root hairs but makes the plant more sensitive to salt.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
39 citations,
August 2004 in “International journal of gynaecology and obstetrics” Finasteride and CPA-EE2 equally reduce hirsutism, but affect hormone levels differently.