8 citations,
January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
3 citations,
February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
28 citations,
September 2013 in “Journal of Investigative Dermatology” The document concludes that dermal papilla cells are key for hair growth and could be used in new hair loss treatments.
3 citations,
January 2018 in “Reproduction, Fertility and Development” Birth control pills increase certain receptor activities in female gerbil prostate glands and can lead to prostate changes.
38 citations,
April 2017 in “PLOS Genetics” GRHL3 is important for controlling gene activity in skin cells during different stages of their development.
16 citations,
January 2016 in “Annals of Dermatology” Green tea component EGCG may help prevent hair loss by changing microRNA levels in certain scalp cells.
153 citations,
October 2007 in “Cell Stem Cell” New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.
November 2022 in “Journal of Investigative Dermatology” A new molecule was found to be a safe and effective skin lightener and anti-aging product.
12 citations,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
15 citations,
October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
251 citations,
October 2014 in “The Journal of Clinical Endocrinology & Metabolism” The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.
6 citations,
May 2022 in “Frontiers in physiology” Injecting CHIR-99021 into goose embryos improves feather growth by changing gene activity and energy processes.
2 citations,
January 2014 in “International Journal of Endocrinology” Women with a certain type of tumor had higher levels of pregnancy hormone and male hormones, which decreased after treatment.
July 1997 in “Journal of Cutaneous Medicine and Surgery” Finasteride significantly increases scalp hair and prevents hair loss in young and middle-aged men.
76 citations,
February 2015 in “Industrial Crops and Products” Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.
28 citations,
January 2013 in “Journal of Thyroid Research” Thyroid hormone may speed up wound healing and hair growth, but more research is needed to understand its role in skin repair and use as a treatment.
81 citations,
July 2008 in “The Journal of Clinical Endocrinology and Metabolism” Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
1 citations,
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.
12 citations,
August 2011 in “European Journal of Endocrinology” Anti-Müllerian hormone is a specific marker for ovarian issues in women with conditions like PCOS.
26 citations,
May 2015 in “Lasers in Surgery and Medicine” Laser treatment helped regrow hair in mice by activating a key growth pathway.
30 citations,
October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” Thyroid hormones are important for skin health and might help treat skin diseases, but more research is needed to understand their effects fully.
84 citations,
June 2010 in “The Plant Cell” Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.
March 1998 in “Journal of dermatological science” Diphencyprone initially increases mouse hair growth, then slows it, possibly due to changes in specific protein levels.
37 citations,
January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
18 citations,
December 2010 in “The Journal of Steroid Biochemistry and Molecular Biology” Increased HSD11B1 enzyme expression is linked to higher body fat and insulin resistance.
14 citations,
August 2018 in “Frontiers in Cellular and Infection Microbiology” Dengue virus can infect human hair follicle cells and may cause hair loss.
2 citations,
August 2019 in “Asian journal of pharmaceutical and clinical research” Cinnamon bark extract may help prevent weight loss and hair loss in breast cancer patients during chemotherapy and is safe to use.
77 citations,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
1 citations,
April 2018 in “Journal of Investigative Dermatology” People respond differently to hair loss treatment with PRP because of individual differences in growth factors from platelets.
5 citations,
June 2004 in “The Journal of The British Menopause Society” Testosterone therapy can improve sexual satisfaction and mood in surgically menopausal women when used with estrogen, but its long-term safety and effects on naturally menopausal and premenopausal women are unclear.