August 2015 in “Advances in Small Animal Medicine and Surgery” Low-level laser therapy may help regrow hair in dogs with non-inflammatory hair loss.
13 citations
,
December 2017 in “Journal of Cosmetic and Laser Therapy” Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.
18 citations
,
April 1989 in “Clinics in Dermatology” The argon gas-based cryotherapy effectively reduced keloid scars but caused some hypopigmentation and had a recurrence rate, especially in Afro-American patients.
112 citations
,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
26 citations
,
January 2012 in “Journal of the American Academy of Dermatology” Eflornithine cream makes laser hair removal more effective for treating pseudofolliculitis barbae.
Low-level laser therapy reduces symptoms and inflammation in frontal fibrosing alopecia.
22 citations
,
June 2002 in “Seminars in cutaneous medicine and surgery” Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.
658 citations
,
June 2003 in “Endocrine reviews” Male hormones may play a role in the development of heart disease, and more research is needed to understand their effects.
515 citations
,
April 2003 in “Endocrine Reviews” Androgens and DHEA can help prevent breast cancer and improve health in women.
451 citations
,
March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
418 citations
,
June 2003 in “Endocrine Reviews” While PCOS might increase the risk of heart disease, there's not strong evidence to prove it causes earlier heart problems.
343 citations
,
December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
4 citations
,
June 2017 in “Endocrine Reviews” Dihydrotestosterone (DHT) mainly affects nearby cells, doesn't significantly change prostate hormonal environment or cancer risk, and doesn't play a main role in causing hair loss or acne. More research is needed on its effects on heart health, sexual function, and bone health.
October 2024 in “Photodermatology Photoimmunology & Photomedicine” Red LED therapy is more effective than green LED for improving hair growth in androgenetic alopecia.
25 citations
,
January 1999 in “Journal of cutaneous laser therapy” Diode laser effectively treats pseudofolliculitis barbae.
31 citations
,
February 1999 in “Dermatologic surgery” Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.
1 citations
,
January 2022 in “Open Access Macedonian Journal of Medical Sciences” Both platelet-rich plasma and low-level laser therapy effectively treat hair loss with minimal side effects and good cost-benefit ratio.
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.
September 2024 in “Journal of the American Academy of Dermatology” Fractional and excimer lasers effectively treat various types of alopecia and promote hair growth.
April 2019 in “Journal of Investigative Dermatology” Low-level laser therapy helps hair growth and reduces hair loss with few side effects.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Low-level light therapy safely increases hair growth in various types of hair loss.
27 citations
,
March 2011 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Fractional CO₂ laser treatments effectively tighten eyelid skin and elevate eyebrows safely.
1 citations
,
December 1996 in “Journal of Clinical Laser Medicine & Surgery” A doctor describes a new, less expensive method for treating skin issues with a laser, and another doctor corrects a false claim about hair transplantation results.
July 2025 in “Lasers in Surgery and Medicine” Non-ablative fractional laser treatment safely improves hair growth and scalp appearance.
March 2024 in “Journal of Cosmetic Dermatology” Laser-pretreated blood for hair loss treatment was more effective and increased stem cells.
February 2010 in “Journal of The American Academy of Dermatology” Low-level laser therapy increased hair growth compared to no treatment.
Fractional CO2 laser is more effective and safer than steroid injections for treating alopecia areata.
26 citations
,
December 1999 in “Journal of the American Academy of Dermatology” The normal-mode ruby laser effectively reduces facial hair for a long time with few side effects.
16 citations
,
December 2017 in “Journal of The American Academy of Dermatology” Low-level laser therapy may reduce symptoms and increase hair thickness in lichen planopilaris patients.
5 citations
,
May 1999 in “Dermatologic Surgery” Lasers can effectively treat pseudofolliculitis barbae, but insurance often doesn't cover it, possibly due to racial bias.