195 citations
,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
14 citations
,
September 2017 in “Clinical and Experimental Dermatology” Systemic photodynamic therapy can effectively treat stubborn folliculitis decalvans with few side effects.
January 2014 in “한국미용학회지” UV-A radiation significantly damages semi-permanent dyed hair.
10 citations
,
March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
23 citations
,
December 2001 in “Lasers in Surgery and Medicine” Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.
April 2019 in “Journal of Investigative Dermatology” Fractional photothermolysis helps wounds heal with minimal scarring.
February 2023 in “Cosmoderma” Combining red LED therapy with beta-carotene is more effective for treating photoaging than red LED therapy alone.
29 citations
,
January 2007 in “Dermatologic Clinics” Photodynamic Therapy is an effective treatment for mild to severe acne.
2 citations
,
May 2023 in “Photobiomodulation, photomedicine, and laser surgery” Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.
9 citations
,
January 2018 in “Medical research archives” Low-intensity light therapy is effective for skin healing, reducing inflammation, and treating various skin conditions.
Photobiomodulation effectively improves skin and hair conditions with minimal side effects.
October 2022 in “Journal of ophthalmology” Light therapy may improve eye conditions by stimulating cell activity and increasing oxygen availability.
14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
2 citations
,
March 2019 in “Lasers in surgery and medicine” Higher light doses cause more damage to hair follicles, predicting better hair removal results.
1 citations
,
April 2025 in “Frontiers in Medicine” New insights into skin damage from UV exposure suggest potential treatments, including targeting specific RNAs and combining therapies for better outcomes.
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
,
February 2025 in “Photodermatology Photoimmunology & Photomedicine” 830 nm LED light effectively treats and prevents skin redness and dark spots, while 590 nm LED light only helps prevent them.
27 citations
,
December 2014 in “Current problems in dermatology” Photodynamic therapy is the preferred treatment for skin precancer due to its effectiveness and safety.
1 citations
,
April 2018 in “Dermatologic Surgery” 22 citations
,
September 1986 in “Journal of Investigative Dermatology” Low-dose topical alpha-terthienyl may be a safer option for treating skin conditions with light therapy.
2 citations
,
November 2014 Common cosmetic dermatology techniques improve skin damaged by the sun and aging.
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.
January 1998 in “Lasers in Surgery and Medicine” Lasers are effective and safe for various medical treatments, including cancer, wound healing, and skin conditions.
144 citations
,
December 2017 in “Pigment cell & melanoma research” Melasma is now considered a skin aging disorder caused by sun exposure in people with a genetic tendency, which impacts treatment and prevention approaches.
5 citations
,
November 2015 in “Journal of Cosmetic Dermatology” Effective pain relief methods for photoepilation include topical anesthetics, cooling devices, and skin stimulation.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.
January 2023 in “Our Dermatology Online” Laser hair removal is effective but may have side effects.