9 citations
,
May 2021 in “Archives of Dermatological Research” Home-based skin care devices are generally safe and effective for hair removal, promoting hair growth, treating wrinkles and acne, but results for psoriasis treatment are mixed.
6 citations
,
September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.
4 citations
,
March 2019 in “Journal of Pure and Applied Microbiology” A 940nm laser effectively reduces inflammation in rat joints.
2 citations
,
August 2020 in “Dermatologic Therapy” Higher energy, longer exposure, and pulse irradiation improve hair density in androgenetic alopecia treatment.
July 1998 in “Proceedings of SPIE” Low-power laser therapy is an effective, side-effect-free treatment that speeds up hair regrowth and crural ulcer healing.
36 citations
,
October 2009 in “Journal of Investigative Dermatology” Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.
11 citations
,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
143 citations
,
January 2013 in “Dermatologic surgery” In-office laser hair removal works well long-term, especially Nd:YAG for darker skin, but home devices need more testing.
108 citations
,
December 2003 in “Lasers in surgery and medicine” ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.
68 citations
,
July 2016 in “Dermatology and Therapy” Light and laser therapies show promise for treating Acne Keloidalis Nuchae, but more research is needed.
2 citations
,
August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
2 citations
,
July 2004 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Near-infrared laser therapy with Indocyanine Green dye improves acne by reducing inflammation without side effects.
October 2025 in “Dermatologica Sinica” Combining laser therapy with other treatments effectively increases hair density and thickness for hair loss.
June 2025 in “Archives of Dermatological Research” Light-treated cell medium boosts hair growth in mice.
September 2023 in “Forum Dermatologicum” Various treatments for common hair loss in men and women are effective, but should be tailored to individual needs and potential side effects.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.
December 2005 in “Springer eBooks” Laser hair removal is generally effective, with results varying by laser type and patient.
January 2014 in “프로그램북(구 초록집)” Laser and light treatments show promise for hair growth but need more research.
160 citations
,
December 2016 in “Journal of biophotonics” Low-level laser therapy, now called photobiomodulation, is recognized for its broad medical applications and scientific backing.
45 citations
,
January 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
11 citations
,
June 2005 in “Veterinary Dermatology” Canine hair follicle cells convert progesterone into various metabolites, mainly cortisol.
8 citations
,
January 2012 in “General and Comparative Endocrinology” 5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
8 citations
,
May 1996 in “Endocrinology” Certain adrenal hormones can strongly stimulate oil gland growth in hamster skin, similar to male hormones.
7 citations
,
September 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Photobiomodulation can help regrow hair in certain types of hair loss.
March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
October 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent models of PCOS show some similar and some different lipid changes compared to humans.
January 2022 in “Current Enzyme Inhibition” New nonsteroidal molecules can potentially increase dihydrotestosterone in neurons by blocking certain enzymes, without affecting prostate and seminal vesicle weight.
23 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
14 citations
,
May 2005 in “Steroids” A new method was developed to make finasteride for treating hair loss.
January 2006 in “Benzina: Revista d'excepcions culturals” Trienones are more effective at inhibiting the enzyme linked to hair loss than dienones.