January 2026 in “Frontiers in Cellular Neuroscience” Neurosteroids like neuro-estrogen and neuro-androgen are crucial for brain function and can improve cognition and protect against aging-related decline.
3 citations
,
August 2021 in “Nutrition research” Estrogen affects how vitamin A is processed in mouse skin, which may impact acne treatment, hair growth, and skin defense.
32 citations
,
October 2015 in “Frontiers in Cellular Neuroscience” DHT is needed for long-term depression, while E2 is needed for full long-term potentiation in male rat brains.
24 citations
,
January 1989 in “Archives of biochemistry and biophysics” Male rats have androgen receptors in their liver, which are different from proteins that bind estrogen.
January 2011 in “Padua Research Archive (University of Padua)” Local estrogen synthesis in skin may improve wound healing.
46 citations
,
May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
4 citations
,
August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
May 2022 in “Endocrine Abstracts” Finasteride may cause sexual dysfunction by reducing epinephrine levels.
7 citations
,
October 1943 in “Experimental Biology and Medicine” Diethylstilbestrol causes hair loss in male dogs.
1 citations
,
January 2014 in “Side effects of drugs annual” Hormonal contraceptives and related compounds can increase health risks like thrombosis and affect sexual function.
13 citations
,
May 2021 in “FASEB bioAdvances” Plant-based products can improve hair and skin health without harmful side effects.
April 1981 in “Postgraduate Medicine” In 1981, the punch graft technique was the main method for hair transplantation, and medical treatments for baldness were not very effective.
July 2019 in “Acta Scientiae Veterinariae” Removing a testicular tumor in a dog reduced its aggressive behavior and skin problems.
March 1988 in “Reactions (Auckland)” Birth control pills can improve or cause acne and hair issues, with improvements more common, and may affect skin pigmentation.
90 citations
,
December 2007 in “Current Oncology” Non-hormonal treatments should be used first for sexual dysfunction in postmenopausal breast cancer patients on aromatase inhibitors, with hormones as a second option.
2 citations
,
September 2025 in “Cosmetics” Hormonal therapies can improve skin issues by adjusting hormone levels, with future advancements promising better results.
20 citations
,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
76 citations
,
October 2016 in “Clinics in dermatology” Sex hormones, especially androgens, play a key role in causing acne.
15 citations
,
June 1986 in “Pediatric Dermatology” Androgens increase pigmentation in young hamsters, but estrogens can reverse this effect.
2 citations
,
August 1987 in “Australasian Journal of Dermatology” Birth control pills can cause skin issues but may help with acne and hirsutism, and choosing the right type can minimize side effects.
January 2004 in “Banca y finanzas: Revista profesional de gestión financiera” Androgens increase pigmentation in certain hamster skin areas, but estrogens can reverse this effect.
11 citations
,
January 2014 in “The Journal of Clinical Endocrinology & Metabolism” Estrogen formation in hair roots affects hair growth and varies by site, gender, and age.
11 citations
,
November 2009 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Bolandiol, a synthetic steroid, builds muscle and bone without greatly affecting sex glands, and works differently from other hormones.
13 citations
,
May 2007 in “Journal of Endocrinology” Synthetic 19-norprogestins promote bone cell growth and function through their non-phenolic metabolites.
10 citations
,
February 2017 in “European journal of neuroscience/EJN. European journal of neuroscience” The availability of certain hormones and specific stimulation patterns affect long-term synaptic changes in the male rat brain.
25 citations
,
November 2013 in “PLoS ONE” Estrogen and androgen signals control synaptic changes in rat brains.
41 citations
,
July 2001 in “PubMed” Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.
30 citations
,
March 2008 in “Wound Repair and Regeneration” Estrogen affects scalp cell types differently, enhancing some wound healing processes.
24 citations
,
October 2012 in “The International Journal of Biochemistry & Cell Biology” Testosterone protects female heart cells from stress by activating estrogen receptors.
12 citations
,
March 2017 in “Arteriosclerosis, thrombosis, and vascular biology” Testosterone helps prevent skin damage in males by acting through both estrogen and androgen pathways.