Photobiomodulation effectively improves skin and hair conditions with minimal side effects.
134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
December 2025 in “npj Systems Biology and Applications” Cold temperatures can stop human cell circadian rhythms, but warming restores them.
22 citations
,
February 2002 in “Journal of theoretical biology” The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.
75 citations
,
January 1980 in “Journal of Investigative Dermatology” 5 citations
,
January 2019 in “Methods in molecular biology” Multiphoton microscopy can effectively image live cells in cornea, skin, and hair follicles over time.
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.
September 1973 in “Primates” 20 citations
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September 2022 in “Journal of Biomedical Optics” PBM helps improve cell survival in 3D tissue engineering.
May 2014 in “Journal of Investigative Dermatology” Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
18 citations
,
March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
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.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
6 citations
,
August 1993 in “Archives of Dermatology” The study found that polymorphous light eruption varies among patients and can be distinguished from benign summer light eruption by the time it takes for symptoms to appear after sun exposure.
65 citations
,
November 2008 in “Pediatric Dermatology” Phototherapy is effective and well-tolerated for treating childhood psoriasis and pityriasis lichenoides chronica.
1 citations
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March 1989 in “Proceedings of the British Society of Animal Production” Hormones and daylight changes control when cashmere goats shed their hair.
118 citations
,
January 1992 in “Experientia” 20 citations
,
January 1979 in “Journal of Experimental Zoology” Plucking hair speeds up the next hair growth, but hormones can change this timing.
January 2016 in “Xumu Shouyi Xuebao”
May 2023 in “Brazilian Journal of Animal and Environmental Research” Photobiomodulation effectively treats hair loss in dogs with black hair follicular dysplasia.
November 2023 in “Journal of Cosmetic and Laser Therapy” Most alopecia patients are open to trying light therapy, especially at-home devices, but cost is a big factor in their willingness.
28 citations
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January 2003 in “Skin pharmacology and physiology” Melatonin affects skin cell growth differently based on how much and how long it's used.
A new method allows detailed, continuous imaging of crustacean leg regeneration without harming the cells.
18 citations
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April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
March 2021 in “CRC Press eBooks” Photography is essential for tracking hair disease progression, especially with consistent lighting and documenting specific scalp areas.
109 citations
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December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
January 2026 in “Journal of Hard Tissue Biology” Red LED light boosts cell activity and growth, aiding wound healing and blood vessel repair.