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 2018 in “Journal of Investigative Dermatology” Finasteride helps female-pattern hair loss.
16 citations
,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.
1 citations
,
August 2018 in “Dermatologic Surgery”
The 1550 nm fractional Er:Glass laser improved hair regrowth in patients with androgenic alopecia, but didn't significantly change collagen type I, skin fibroblasts, or macrophages. More research is needed for optimal results.
January 2026 in “Forum Dermatologicum” LED therapy is safe and can help with acne, aging skin, and hair loss, but consumer devices may be less effective.
46 citations
,
December 2000 in “Seminars in Cutaneous Medicine and Surgery” Laser and light treatments offer quick, long-lasting hair removal for large areas.
July 2023 in “Journal of lasers in medical sciences” Red laser therapy helped regrow hair in an alopecia areata patient within 21 days.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Pulsed red light boosts collagen and energy in cells faster than continuous red light.
35 citations
,
July 2009 in “Optics express” Researchers created a new light source that improves chemical imaging by removing background noise.
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.
4 citations
,
August 2015 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Both fixed and incremental laser treatments effectively reduced underarm hair, but the fixed method was less painful.
69 citations
,
August 1995 in “Annals of Plastic Surgery” The ultrapulse carbon dioxide laser can effectively resurface skin without scarring.
2 citations
,
August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
January 2026 in “American Journal of Medical and Clinical Research & Reviews” Different wavelengths of LED light are needed to treat different types of hair loss effectively.
May 2025 in “Lasers in Medical Science” Erbium lasers improve hair growth in androgenetic alopecia with minimal side effects.
19 citations
,
October 2017 in “Dermatologic Surgery” The alexandrite laser is a safe and effective treatment for Acne Keloidalis Nuchae.
1 citations
,
June 2020 in “Unisa Institutional Repository (University of South Africa)” Low power red laser with efavirenz can reduce HIV-1 infection to undetectable levels and improve diagnosis.
January 2025 in “Advances in Clinical Medicine” Fractional CO2 laser therapy effectively improves skin conditions and recovery when combined with other treatments.
June 1999 in “Proceedings of SPIE” The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.
15 citations
,
January 2017 in “Lasers in Surgery and Medicine” Laser treatment improved scalp skin condition with no side effects.
21 citations
,
January 2018 in “Lasers in Medical Science” The 1927-nm fractionated thulium laser treatment significantly improves hair thickness and count in pattern hair loss patients.
1 citations
,
April 2023 in “Canadian journal of ophthalmology” Using a diode laser for hair removal without eye protection can cause serious eye injuries.
October 2025 in “International Journal of Research in Dermatology” New laser technologies and methods are safer and more effective for hair removal on darker skin tones.
11 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Lasers in hair transplantation show promise but are not yet standard, with current methods causing some side effects and needles still being preferred for creating recipient sites.
January 2025 in “E3S Web of Conferences” Lasers are effective for hair removal, skin rejuvenation, and acne treatment in dermatology.
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.
25 citations
,
August 2017 in “Lasers in Medical Science” Fractional lasers seem effective and safe for treating hair loss, but more research is needed to find the best treatment methods.
9 citations
,
November 1999 in “Annals of Plastic Surgery” Ruby laser hair removal does not cause increased cell growth in the skin.
19 citations
,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.