May 2015 in “Cancer research” After chemotherapy for early breast cancer, 33.4% of patients had long-term significant hair loss, with some hair regrowth over time, but treatments for hair loss were largely ineffective.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
2 citations
,
January 2003 in “Journal of Clinical Dermatology” 1 mg finasteride can cause reversible painful breast enlargement in men.
224 citations
,
February 2013 in “The Journal of clinical investigation/The journal of clinical investigation” ERG increases SOX9, promoting prostate cancer growth and invasion.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the TRPV3 gene causes hair follicle cells to develop improperly, leading to hair loss.
85 citations
,
May 2009 in “Hippocampus” Progesterone helps adult male mice grow more neurons and improves memory.
18 citations
,
July 2014 in “Molecular Medicine Reports” UVB radiation changes the levels of certain microRNAs in skin cells, which may affect cell survival and hair growth.
1 citations
,
January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
11 citations
,
June 2001 in “PubMed” Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
20 citations
,
January 2022 in “Oxidative Medicine and Cellular Longevity” Reactive oxygen species (ROS) influence hair growth by causing DNA damage, cell death, and changes in immune cells.
26 citations
,
March 2020 in “Antioxidants” Microwave-assisted Opuntia humifusa extract protects skin cells from pollution damage.
7 citations
,
January 2009 in “DOAJ (DOAJ: Directory of Open Access Journals)” D-004 did not harm sperm cells in mice.
122 citations
,
July 1990 in “Teratology” Finasteride exposure in pregnancy causes genital abnormalities in male rats.
3 citations
,
September 2016 in “Natural Product Communications” Germacrene analogs, especially 8-Hydroxy germacrene B, are more effective than germacrone at blocking a hormone-related enzyme and could help treat hair loss.
September 2024 in “Journal of Clinical Medicine” Permanent makeup can cause delayed allergic reactions, but they can be managed with proper treatment.
10 citations
,
July 1980 in “British Journal of Dermatology” Topical putrescine and spermine increased DNA synthesis in hairless mouse skin.
3 citations
,
January 2008 in “Endocrine journal” A new mutation linked to partial Androgen Insensitivity Syndrome and prostate cancer was found in a patient unhappy with their female gender assignment.
14 citations
,
August 2011 in “Journal of the American Academy of Dermatology” Imiquimod 5% cream may not work for treating scrotal extramammary Paget disease.
75 citations
,
January 2004 in “Molecular and Cellular Biology” XEDAR deficiency prevents muscle degeneration in EDA-A2 transgenic mice.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
3 citations
,
June 2025 in “Gyemyeong uidae haksulji” PDRN is effective and safe for healing wounds and skin issues.
20 citations
,
March 1975 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” The study concludes that a genetic mutation in TFM mice leads to reduced androgen receptor activity, affecting the body's response to male hormones.
April 2024 in “International journal of impotence research” Some men experience persistent sexual, neurological, and psychological symptoms after stopping finasteride, but evidence of permanent damage is inconclusive.
27 citations
,
April 2011 in “International journal of legal medicine” In situ DNA labeling in hair can help predict forensic DNA analysis success.
1 citations
,
January 2024 in “Veterinary Dermatology” Alopecia X in Pomeranians is likely genetic, not environmental.
January 2023 in “Indian Dermatology Online Journal” Micropigmentation is a cosmetic tattooing technique for hiding skin issues and creating permanent makeup, but it can have side effects.
106 citations
,
June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
June 2025 in “Aesthetic Cosmetology and Medicine” Polydeoxyribonucleotides may help with healing and anti-aging, but more research is needed.
27 citations
,
April 2011 in “Folia Histochemica et Cytobiologica” DHT deficiency can disrupt cell connections in rat testes, possibly affecting fertility.