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This study used infrared spectroscopic imaging and scanning electron microscopy to reveal that alopecic hair has more irregular laminated structures and differing chemical profiles than normal hair, suggesting changes related to alopecia progression.

This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.

This study suggests that infrared thermography may be a useful noninvasive tool for diagnosing active phases of frontal fibrosing alopecia when combined with dermoscopy.

This study reports that melanocytes form a defined photoresponsive network in the skin that reads environmental light cycles and may influence the sleep-waking cycle similar to the pineal gland.

Infrared light might help treat stubborn alopecia areata.

This study concluded that the Spa Touch system effectively retards hair regrowth, functioning like a "light razor" for quick and cost-effective epilation.

This review synthesizes research on solar radiation's multifaceted effects on skin and recent advancements in sunscreen technology, including formulation, testing methods, and the use of AI, to inform future sun protection product development.

This article explores the potential of photobiomodulation for coronary health, suggesting protective effects after heart attacks and in inaccessible ischemic heart conditions, but presents no new clinical results.

This study found that a subfraction from Sansevieria trifasciata showed higher hair growth activity than other fractions in tests on rabbits.

In this study, UVB exposure was found to alter certain chemical properties of the hair shaft, such as keratin components and water content, without significantly affecting its physical morphology.

This study analyzed how oxidative hair dye leaches from pigmented and nonpigmented hair during wash cycles, finding that melanin influences the dye deposition and leaching processes.

This systematic review found that photobiomodulation therapies using ultraviolet and infrared light effectively treated alopecia areata, while red and infrared light treatments were effective for androgenetic alopecia.

This study observed that bleaching brown human hair with persulfate salts and hydrogen peroxide induced significant conformational changes in keratin, particularly affecting disulfide bridges and oxidized sulfur species, which may inform the development of hair restorative treatments.

In this study, a solitary patch of significant hair regrowth was observed in a patient with refractory alopecia universalis under the site of a smartwatch emitting green, red, and infrared light, supporting photobiomodulation as a potential treatment for alopecia areata.

In this study, researchers found that while sunscreens added to hair products do not provide expected protection, the dark hair absorbs the most radiation across all wavelengths, indicating a need for enhanced protection.

This study found significant differences in facial heat distribution patterns among different types of alopecia, with androgenic, areata, and telogen types showing a T-type pattern, while seborrheic alopecia showed a diffused pattern.

This study describes a multifunctional hydrogel system designed to treat androgenetic alopecia by integrating nanozymes for reactive oxygen species clearance and melanin nano photothermal agents to enhance hair follicle health, suggesting potential for multi-target precision therapy and improved hair growth.

The study discusses using red light therapy for hair regrowth, noting red light alone may aid non-inflammatory hair loss, while infrared-red light combination is necessary for conditions like alopecia areata.

This study observed that infrared light therapy, alone or combined with hyaluronic acid and calcium hydroxylapatite, effectively improved skin laxity with high patient satisfaction and minimal adverse effects among women aged 37 to 68.

This study reports that hair oil formulations using Arnica montana in castor and mustard oil bases showed effective results in quality and quantitative analysis through UV visible spectrophotometer, FTIR, and HPTLC testing methods.

This study found that infrared thermography might be a useful non-invasive tool to help diagnose frontal fibrosing alopecia by identifying active phases of the disease.

This study found that stabilizing HIF1A in balding hair follicle cells shifted their metabolism towards glycolysis, reducing oxidative stress and potentially promoting hair growth.

This study found that finasteride's solubility and bioavailability were improved when using a dimethyl-β-cyclodextrin inclusion complex compared to the drug alone.

This study found that the dissolution profiles of different finasteride polymorphs may affect the quality of finasteride capsules, highlighting the need for polymorphic quality control.

This study found that scalp treatments improved hair density and reduced the number of telogen bulbs in patients with Telogen Effluvium.

This study found that the maximum infrared temperature of laser-irradiated hair depends on melanin type, with eumelanin-rich hair reaching higher temperatures than pheomelanin-containing hair.

This study demonstrated that FT-Raman spectroscopy is effective for identifying finasteride polymorphs in tablets and detecting the presence of alternative polymorphs down to about 15% concentration.

This review discusses the effects of photobiomodulation, particularly its potential to reduce inflammation in various conditions, but it does not report new clinical findings.

This study found that combining near-infrared laser phototherapy with indocyanine green application may improve acne vulgaris by reducing active lesions and inflammation without side effects.

This review discusses various techniques for treating post-acne scars, highlighting new laser technologies and tissue augmentation methods, but reports no new clinical results.