September 2014 in “Springer eBooks” Men and women experience skin aging differently due to changes in sex hormone levels with age.
January 2003 in “Elsevier eBooks” Androgens and other hormones affect hair growth and skin conditions like acne.
187 citations
,
December 2005 in “Experimental Dermatology” Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.
35 citations
,
June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
10 citations
,
April 2016 in “Research and reports in transdermal drug delivery” Transfollicular drug delivery is promising but needs more research to improve and understand it better.
6 citations
,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
35 citations
,
February 2019 in “Cell Communication and Signaling” BMP6 and Wnt10b control whether hair follicles are resting or growing.
68 citations
,
June 2005 in “Expert Opinion on Therapeutic Targets” Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.
9 citations
,
March 2019 in “European Journal of Sport Science” New signs like changes in blood markers, physical symptoms, and behavioral shifts may help detect hidden steroid use in athletes.
5 citations
,
August 2015 in “Bioscience, Biotechnology, and Biochemistry” Obese mice with a leptin gene mutation have a longer resting phase in their hair cycle, which may help understand certain hair loss conditions.
31 citations
,
September 2008 in “International Journal of Andrology” 5-alpha-reductase inhibitors may cause a low incidence of erectile dysfunction that decreases over time.
163 citations
,
November 2003 in “Journal of Investigative Dermatology” Low iron levels may be linked to some types of hair loss in women.
October 2025 in “Pakistan Journal of Health Sciences” Low serum ferritin is linked to hair loss in women.
January 2025 in “International Journal of Pharmacognosy and Clinical Research” The herbal scalp serum may help hair growth by reducing DHT levels.
July 2021 in “Archives of Dermatological Research” Alopecia patients have less GPER-1, which might affect hair loss.
83 citations
,
April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
19 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
July 2025 in “YAKUGAKU ZASSHI” Understanding skin microbes and sebum can help manage atopic dermatitis and hair loss.
1 citations
,
April 2018 in “Our Dermatology Online” Massaging the scalp with a cosmetic containing certain natural inhibitors can significantly regrow hair in men with pattern baldness.
August 2023 in “Tzu Chi Medical Journal” Iron deficiency is the main cause of hair loss in women, and iron supplements started within 6 months can improve hair health.
March 2026 in “Brazilian Journal of Microbiology” Restoring skin bacteria may help reduce hair loss.
128 citations
,
October 2011 in “Development” Activating a protein called β-catenin in adult skin can make it behave like young skin, potentially helping with skin aging and hair loss.
36 citations
,
March 2014 in “Molecular and Cellular Biology” Cidea is essential for proper lipid storage and secretion in sebaceous glands, affecting skin and hair health.
14 citations
,
March 2016 in “Mechanisms of Development” Basonuclin 2 is vital for the development of facial bones, hair follicles, and male germ cells in adult mice, and its absence can lead to dwarfism and abnormal follicles.
201 citations
,
May 2001 in “Proceedings of the National Academy of Sciences” Overexpression of COX-2 in mice skin causes abnormal skin and hair development.
November 2024 in “Journal of Cosmetic Dermatology” Clients were very satisfied with eyebrow mesotherapy, noting thicker eyebrows and increased confidence.
114 citations
,
January 2021 in “medRxiv (Cold Spring Harbor Laboratory)” COVID-19 can cause over 50 long-term symptoms, with fatigue and headache being the most common.
April 2026 in “European Journal of Medical and Health Research” Women with hair loss had lower IGF-1 levels.
August 2025 in “Frontiers in Nutrition” Leucine levels may affect hair loss after bariatric surgery.
31 citations
,
April 2019 in “Cell reports” Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.