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This study found that Nrf2 activation protected keratinocytes from UVB damage but also caused thickening, inflammation, and cysts, limiting its therapeutic potential for skin protection.

In this animal study, hibiscus leaf simplicia ointment was found to protect red blood cell levels and promote better hair growth in UV-exposed rats, though it did not maintain normal skin histology; the ointment showed no significant acute dermal toxicity.

This review discusses the safety of dermatological medications used during pregnancy, highlighting that retinoids have strong teratogenic risks and should be used with caution; it reports no new clinical results.

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.

This report documents two cases of eruptive nevi occurring in the skin folds of children with Langerhans cell histiocytosis.

This study found that UV stabilizers must diffuse uniformly and in high uptake levels throughout hair fibers during humidification cycles to effectively prevent photo-oxidative degradation.

This study reports that A132, a hair dye ingredient, induces phototoxicity and photogenotoxicity via mitochondrial apoptosis when exposed to sunlight, suggesting potential risks of oxidative stress and hair damage.

This study concluded that while home-based intense pulsed light, laser diodes, radiofrequency, and light-emitting diode devices are recommended for certain skin conditions, ultraviolet B phototherapy for psoriasis showed mixed evidence compared to clinic treatments.

This study suggests that local skin inflammation may enhance the deposition of autoantibodies in the skin, potentially affecting the severity of pemphigus lesions in mice.

This case series observed that five Black pediatric patients with moderate to severe alopecia areata showed significant hair regrowth and minimal disease activity after treatment with topical JAK inhibitors, vitamin D supplementation, and antihistamines, with additional therapies in some cases.

Vitiligo may be linked to stopping finasteride.

This study found that subcutaneous adipose tissue-derived extracellular vesicles (AT-EVs) protect skin from photodamage by enhancing fibroblast proliferation and reducing oxidative stress compared to those from adipose-derived stem cells.

This study reviews the use of lasers and light therapies as treatment options for managing the two most common types of alopecia—androegenetic alopecia and alopecia areata—highlighting that existing FDA-approved drugs like minoxidil and finasteride are partially effective, necessitating additional therapeutic approaches.

In this research, RNA expression analysis of scalp biopsies from lichen planopilaris patients revealed changes in specific genes after treatments with hydroxychloroquine, narrow band UVB, or low level laser light therapy, suggesting potential biomarkers and implicating M2 macrophages in the disease's immunopathogenesis.

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.

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

This study found that 830 nm LED light effectively treated post-inflammatory erythema and hyperpigmentation, while both 830 nm and 590 nm LEDs prevented post-inflammatory erythema.

This study found that the circadian clock in mouse skin regulates cell proliferation and affects sensitivity to UVB-induced DNA damage, with potential implications for understanding human skin cancer risk.

This study found that MF patients with darker skin types show slower initial improvement with NB-UVB phototherapy, highlighting disparities in treatment efficacy that warrant further investigation.

Treating psoriasis with UVB light three times a week is faster than twice a week, and certain medications and lifestyle factors affect psoriasis treatment outcomes.

This study observed hair-specific transcription of a reporter gene in transgenic mice, with increased expression after dexamethasone and ultraviolet B treatment.

In this review, researchers explored how air pollutants increase oxidative stress and inflammation in human skin, affect vitamin D synthesis, and interact with the skin microbiota, also discussing AhR/Nrf2 as a potential target for treating pollution-related skin conditions.

This review highlights exosomes as a promising treatment for skin damage from UV light, infrared radiation, burns, and disorders due to their anti-inflammatory properties, ability to induce macrophage polarization, and acceleration of skin repair and regeneration.

Blood pressure drugs can cause skin lupus, early treatment is key for baby herpes and diabetic foot ulcers, a certain vaccine works against genital herpes and HPV in women, more frequent light therapy helps psoriasis, smoking and drinking can worsen psoriasis, a cream clears up a type of skin cancer, and low iron levels don't cause chronic hair loss.

High blood pressure drugs often cause skin lupus, stopping the drug usually helps. A vaccine helps prevent genital herpes and HPV-16. More frequent light therapy clears psoriasis faster. No link was found between low iron and chronic hair loss.

Blood pressure drugs can cause skin lupus, but it improves after stopping the drug. The glycoprotein D vaccine works against genital herpes in some women, and the HPV-16 vaccine reduces HPV-16 infection and related diseases. More frequent light therapy clears psoriasis faster. A cream called imiquimod effectively treats a type of skin cancer. Iron supplements don't necessarily help with chronic hair loss in women.

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 article reviews the growing trend of at-home laser and light devices for treating conditions like acne, hair removal, and psoriasis, emphasizing their popularity and the need for cautious use but reports no new clinical results.

This study evaluated 308 nm excimer light therapy for alopecia areata but the abstract does not provide specific clinical results or conclusions.

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.