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HEV light can harm or help skin and scalp, so safe exposure guidelines are needed.

In this study, treatment with cell-derived nanovesicles from hair follicle mesenchymal stem cells improved photoaging signs in UVB-exposed mice and human dermal fibroblasts by reducing oxidative stress, enhancing cell proliferation, and promoting extracellular matrix production.

In this study, UV-light at 254 nm and Polyquaternium-7 treatment were found to affect the mechanical properties and surface structure of hair.

This study found that high-frequency ultrasound was effective in localizing deep tumor margins in basal cell carcinoma, suggesting its utility in selecting therapeutic approaches.

In this pilot study, both microneedling and CO2 laser combined with hair transplantation and nbUVB demonstrated potential for inducing repigmentation in refractory palmar-plantar vitiligo, though further research is needed to ascertain their relative efficacy.

This study suggests that combining baricitinib with narrowband UV-B therapy is an effective and well-tolerated approach for treating active nonsegmental vitiligo.

This report discusses a case of vesiculopustular eruption in a patient with ulcerative colitis, highlighting the effective use of ustekinumab for treatment and suggesting its consideration in similar cases of IBD-related skin lesions.

This study investigated the effects of UV rays and particulate matter on hair porosity, finding that UV exposure increased porosity over time, and when combined with particulate matter, this effect was significantly enhanced in bleached hair.

Clear glass lets most UV rays through, so it's important to know how well different glasses block UV to protect yourself.

This study analyzed data from the FDA Adverse Event Reporting System and found that enfortumab vedotin, used for urothelial carcinoma, is linked to various cutaneous adverse events, including severe reactions like Stevens–Johnson syndrome, typically occurring early in treatment and predominantly affecting elderly male patients.

A 12-year-old with ichthyosis linearis circumflexa showed significant improvement after 30 sessions of narrowband UVB phototherapy, as reported in this case study.

This article presents a collection of interdisciplinary studies by Brazilian researchers that address various societal issues to contribute to the nation's social and scientific development; it reports no new results.

This case study and literature review describe eruptive vellus hair cysts as uncommon, potentially inherited or acquired lesions, associated with other skin conditions, and challenging to treat despite being benign.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

In this observational retrospective study, UVF-dermoscopy was found to be more effective than polarized dermoscopy in identifying follicular features and distinguishing between scarring and nonscarring alopecias, particularly in individuals with lighter skin tones.

This study provides a comprehensive overview of human umbilical cord mesenchymal stem cell-derived extracellular vesicles (HUCMSC-EVs), suggesting their potential to combat aging and alleviate age-related disorders by rejuvenating multiple organs in animal models and discussing engineering strategies to harness their full anti-aging potential.

This study found that acute UVB exposure in mice increases the synthesis of retinoic acid in the epidermis, which is necessary for normal repair from UVB light.

This study utilized 3D ultra-high frequency ultrasound to effectively detect different disease phases of alopecia areata by visualizing hair follicle structures and identifying unique pathological signs, offering a promising non-invasive diagnostic tool that surpasses conventional methods.

This study found that repetitive 532 nm laser therapy significantly decreased scores for macules, pigmented, and vascular lesions on the facial area, regardless of skin phototype or age.

This study found that the combination of fluticasone propionate and UV-A was much more effective for vitiligo repigmentation than either treatment used alone, with no significant adverse effects reported.

This study outlines the features and diagnosis of Vogt-Koyanagi-Harada disease, highlighting its association with specific genes, its prevalence among pigmented races, and treatment with systemic steroids and immunosuppressants.

This study reported that a new extraction technique using cautery and forceps is a simple, effective treatment and diagnostic procedure for eruptive vellus hair cysts, with no recurrence after 4 months.

Carbon dioxide laser treatment effectively removed facial hair cysts without scarring or them coming back.

In this study, researchers found that the vitamin D receptor plays a crucial role in promoting differentiation and protecting against UVB-induced DNA damage in murine melanocytes, suggesting potential implications for melanoma progression.

This report describes the first known case of Kaposi's varicelliform eruption occurring after a follicular unit extraction procedure, possibly linked to surgical trauma and post-surgical steroid use.

This study found that while Er:YAG laser therapy can initially improve the appearance of eruptive vellus hair cysts, it was ineffective in preventing early recurrences due to limitations in ablation depth.

In this study, 308-nm excimer light therapy showed significant effects in some patients with treatment-resistant alopecia universalis, suggesting it as a potential alternative therapy.

Light therapy can effectively treat vitiligo and hair loss caused by a specific medication.

This study found that narrowband UVB phototherapy alone is not very effective for severe alopecia areata, with improved responses noted primarily in patients also receiving corticosteroid injections.