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This study developed and validated a UV spectrophotometric method for accurately estimating Minoxidil in tablet form, showing linearity across concentrations from 1-6µg/ml.

This study found that ultraviolet radiation causes significant damage to human hair follicles, including increased cell apoptosis and oxidative DNA damage, but this damage may be mitigated by topical caffeine.

This study found that a single dose of TRP significantly reduced the number of UV-B-induced actinic keratosis lesions in a mouse model and was associated with improved skin histology and minimal side effects.

This study found that a single high dose of oral vitamin D reduced UV-induced skin erythema and inflammation in humans by enhancing autophagy, suggesting new clinical avenues for skin repair.

This study found that UV laser-induced fluorescence spectroscopy can effectively differentiate between types of alopecia in patients, showing a high correlation between blood circulation levels and tissue autofluorescence intensity.

This study observed that long-term UV-A exposure and semi-permanent dye treatment can cause significant structural damage to human hair, particularly affecting the cuticle and cortex layers.

This article reviews evidence suggesting that vitamin D and its metabolite may help protect against nonmelanoma skin cancer, but reports no new empirical findings.

This study reports that prolonged UV irradiation causes progressive damage to the hair's keratin structure, leading to increased surface roughness, cuticle destruction, and decreased tensile strength in young women’s hair.

This study developed and validated three analytical techniques for the simultaneous quantification of Finasteride and Tamsulosin Hydrochloride in pharmaceutical dosage forms, with proven accuracy and precision.

This research identified distinct attitudes influencing sunbathing and tanning salon use among female university students, with general attractiveness and skin aging concerns being strong predictors of sun exposure and protection intentions.

This study found that lysine carboxymethyl cysteinate helps protect the epidermis from UVB-induced damage by activating autophagy and restoring cornification processes in a skin model.

In this laboratory study, researchers reported that Camellia sinensis seed flavonoids significantly reduced oxidative stress and inflammation in UV-irradiated skin cells by modulating key signaling pathways, highlighting its potential as a skincare ingredient for anti-inflammatory and anti-photoaging benefits.

This study investigated the photoprotective properties of Brazilian pepper tree extract against UV-induced damage in skin cells, reporting that it enhanced expression of genes relevant to skin health and showed superior activity compared to standard antioxidants.

This study found that, despite confirming MC1R expression and functional cAMP signalling, α-MSH treatment did not alleviate UVA-induced stress in adult dermal fibroblasts, suggesting that α-MSH-MC1R may not directly protect against UVA-induced photoaging in these cells.

In this study, orally administered Centella asiatica extract, standardized for asiaticoside content, significantly improved skin barrier function, elasticity, and reduced signs of UVB-induced photoaging in hairless mice, highlighting its potential as a nutricosmetic for skin health.

Monocyte-derived dendritic cells play a key role in UVB-induced skin sensitivity and inflammation.

This study found that ultraviolet-induced fluorescence trichoscopy can help differentiate between scarring and non-scarring alopecia and between psoriasis and seborrheic dermatitis.

This study found that exosomes from human umbilical cord mesenchymal stem cells reduced oxidative stress and inflammation in UVB-induced skin injury in cell and mouse models, suggesting their potential for treating UV-damaged skin by influencing Nrf2 and NF-κB pathways.

This study demonstrated that exosomes from human hair follicle mesenchymal stem cells can enhance collagen production, promote cell proliferation and migration in human dermal fibroblasts, and reverse signs of UV-induced skin aging in mice, potentially via a miR-125b-5p/TGF-β1/Smad signaling pathway.

In this study, researchers found that Ectoin, derived from halophilic bacteria, can mitigate stress-related skin damage by reducing cortisone's inhibitory effects on essential skin proteins and decreasing UVB-induced glucocorticoid activity, highlighting its potential as a preventative agent for stress-induced skin issues.

This study found that p21 is much more highly expressed in normal melanocytes compared to melanoma cells, suggesting a potential target for preventing melanoma progression through cell cycle repair processes.

UVA exposure slows skin wound healing, but α-klotho can reverse this effect.

This study found that co-culturing adipose-derived stem cells with hair follicle-derived melanocytes, combined with narrowband UVB, significantly improved pigmentary response in treating stable, resistant vitiligo compared to non-UVB treatments.

This study demonstrates that extracellular ATP induced by UV radiation promotes melanin production in human melanocytes, suggesting ATP-induced purinergic signaling may influence skin pigmentation.

This study found that cis-urocanic acid can engage in non-enzymatic reactions with reactive sulphur species, forming new metabolites, and suggests sulphide donors may protect against UVB-related toxicity.

This study found that Gynostemma pentaphyllum hydrodistillate and Damulin B exert significant anti-photoaging effects in UVB-irradiated models by reducing oxidative stress, improving ECM integrity, and enhancing skin hydration and elasticity.

This study found that UVB exposure led to visible tanning and distinct DNA methylation changes in pigmentation genes in tan-capable skin but not in non-tan skin, highlighting GNAS as a potentially UVB-responsive gene.

This study found that high-dose UVA-1 therapy appeared to improve both patient-reported outcomes and objective clinical measures in patients with morphea and systemic sclerosis, supporting its potential efficacy for treating scleroderma.

In this veterinary study, uveodermatological syndrome in dogs was reported to cause skin depigmentation, alopecia, and eye issues such as granulomatous panuveitis, which leads to complications like cataracts and glaucoma; while immunosuppressive therapy often helps, recurrence and treatment side effects challenging therapeutic management.

UVA exposure worsens hair loss by activating a specific cell pathway.