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This article highlights the limited photoprotection baseball caps provide against UV radiation and recommends additional sun protection measures, especially for those at risk of androgenetic alopecia, but reports no new results.

Some sunscreen ingredients may be linked to hair loss, but more research is needed.

This review discusses the chemical effects of UV radiation on hair, hair photoaging, and photoprotective measures, and calls for more focused research in hair photoprotection as a field.

This review discusses the effects of sunlight and artificial UV radiation on the skin and reports no new clinical results; a panel from the NIH found the evidence insufficient to recommend tretinoin for sun-induced wrinkles.

This study found that high frequency use of sunscreen is associated with frontal fibrosing alopecia among women attending a specialist hair clinic in Australia.

This study developed an inexpensive method to provide initial data on both the photostability and toxicity of pure active principles and their photodegradation products.

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

This review discusses the antioxidant and photoprotective potential of Polypodium leucotomos for use as a natural sunscreen ingredient and reports no new experimental results; further studies are recommended to evaluate its effectiveness.

The researchers reported that hair offers a measurable protective barrier against UVB and UVA radiation, which increases with hair density, thickness, and melanin content, suggesting a role in skin cancer prevention.

Adequate vitamin D is crucial for skin health and should be considered in dermatology.

This review study focused on various in vitro methods to evaluate skin permeation and retention of sunscreens, highlighting the importance of assessing sunscreen penetration due to widespread nanomaterial usage and advancements in cosmetic formulation.

In this study, patients with frontal fibrosing alopecia showed more actinic damage than control subjects, suggesting sunscreen use by these patients may be a consequence rather than a cause of the condition.

This study found that melanosomes extracted from human hair waste can effectively block UVA and UVB radiation when used as a natural UV filter in sunscreens, performing comparably to commercial UV filters and remaining stable in cosmetic formulations.

In this study, a combined regimen of an oral supplement with Pinus pinaster, Grape seed extract, vitamins, and minerals, plus high SPF sunscreen, significantly improved mild-to-moderate facial melasma in 30 women over 84 days, reducing pigmentation and enhancing cosmetic appearance with no reported adverse effects.

This study found that sulforaphane-rich broccoli sprout extracts reduced UV-induced erythema by 37.7% in humans, suggesting a protective strategy against UVR damage.

This case report describes a woman with lichen planopilaris in the hair part line, with a history of long-term use of spray-on sunscreen on that area.

This review explores the detrimental effects of sunlight on the skin’s circadian rhythm and photodamage, noting the potential of natural cosmeceuticals to influence this rhythm, but reports no new results.

Sunscreen use may increase the risk of frontal fibrosing alopecia.

Most clinicians follow discharge guidelines, many lupus patients don't use sunscreen regularly, dithranol is effective for psoriasis, biopsy methods should be based on lesion type, voriconazole may raise skin cancer risk, a new scale can help diagnose female hair loss early, and most melanomas may develop from existing moles.

This study found that caffeic acid reduced UVB-induced damage and oxidative stress in human dermal papilla cells, suggesting its protective efficacy against such cellular damage.

This study reports cases of androgenetic alopecia patients with depigmented macules on sun-exposed scalp areas, suggesting potential ultraviolet-induced scalp leukoderma not covered in existing dermatology texts.

This study introduces the "skinspan" framework to promote skin longevity through sun protection, topical retinoids, and antioxidants as first-line care. It suggests lasers and emerging therapies as additional options but emphasizes the need for more randomized controlled trials to solidify the evidence base.

This study found that UVA and UVB exposure increased hydroquinone and sunscreen absorption in nude mouse skin, with less absorption enhancement observed in more lipophilic sunscreens.

This study found variation in erythema induction across skin types, suggesting different SSR dose responses and highlighting a potential model for tailoring anti-inflammatory treatments.

This study analyzed techniques to create the popular "sun-kissed" hair look on dark-to-medium blonde (Level 5–6) tones, concluding that a 2–3 level differential, targeted placement across three cranial zones, and acidic glossing are essential for optimal results.

This review summarizes preliminary evidence suggesting that CBD-containing sunscreen may offer UV protection through antioxidant properties, though further studies are needed to confirm safety and efficacy.

This study found that sunlight exposure causes significant structural and chemical damage to hair, including cuticle loss, cortex damage, and discoloration, with water playing a major role in discoloration of brown hair.

This study observed that, after 90 hours of light exposure, Finasteride retained 57% of its concentration, whereas Diclofenac and Naproxen retained only 12% and 9%, respectively.

In this study, the researchers highlighted the availability of new topical and systemic agents with varied mechanisms for treatment, emphasizing that the choice of agent should be tailored to individual needs and the options available in different countries.

This case report describes an 18-month-old boy who developed a rare phototoxic skin reaction to terbinafine, likely triggered by sunlight exposure, which resolved after treatment with corticosteroid cream and sun avoidance.