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This article reviews various studies and suggests that melatonin, produced both naturally in the skin and applied topically, may offer significant protection against environmental damage, making it a promising candidate for skincare therapies.

This article discusses how UV radiation affects hair protein and pigment, destructuralizes keratin, and emphasizes the protective role of melanin, but reports no new clinical results.

This review summarizes the anticarcinogenic, anti-inflammatory, and other health effects of green tea, noting its historical and ongoing use in dermatological and cosmeceutical applications, but reports no new clinical results.

This review discusses the pathogenesis of common sebaceous gland diseases and their molecular pathways, but it reports no new clinical findings.

This review discusses the genetic and environmental factors involved in the development of skin cancers like squamous cell carcinoma, basal cell carcinoma, and melanoma, but does not report new clinical findings.

This study found that photoexposure significantly increased the gene expression of altered elastin, MMP12, and LOX, as well as the protein expression of tropoelastin and fibrillin-1, in skin models.

This review discusses the pathogenesis of melasma, including genetic, environmental, and hormonal factors, and highlights potential avenues for new treatments and preventive strategies, but reports no new experimental findings.

This review discusses topical calcineurin inhibitors for cutaneous lupus erythematosus and reports no new clinical findings; the authors emphasize the need for more comparative studies with corticosteroids.

This study found that melanin extracted from cuttlefish ink provided significant protection against UV radiation damage to human hair, suggesting its potential as a photoprotective agent in hair-care products.

This study found that chemical and photochemical oxidative processes modify the main classes of proteins in hair, confirmed through microspectrophotometric, fluorescence microscopy, and electrophoretic methods.

In this study, researchers investigated EGCG's spectroscopic properties and its interaction with DPPG lipid, finding that both experimental and theoretical approaches agree on the electronic transitions and reveal an increased absorbance due to molecular interactions.

This study concluded that the follicular route is a significant pathway for delivering gentamicin through the skin, as demonstrated by higher drug permeation in non-plugged pig's ear skin compared to plugged skin.

This study reported that regular mole examinations and UVR protection are crucial for skin cancer prevention, particularly for individuals with fair skin, inflammatory skin conditions, diabetes, and those on photosensitizing medications.

This study developed a new finasteride release system using chitosan-based nanoniosomes, observing that 70% of the drug was released over ten days in vitro, suggesting potential for prostate cancer prevention.

This review discusses unspecific factors involved in the pathogenesis of skin diseases and potential ways cytokeratin changes might alleviate these conditions, but reports no new clinical results.

This study found that a polyherbal sunscreen cream, F4, containing Camellia sinensis, Vitis vinifera, and Silybum marianum extracts demonstrated strong antioxidant and photoprotective properties, similar to synthetic sunscreens.

This study conducted a narrative review of literature to identify non-pharmacological treatment solutions and strategies that might mitigate the negative impact of the exposome—factors like UV radiation, pollution, and lifestyle choices—on hair health.

This study found that human skin melanocytes with low mutation burdens are smaller, less dendritic, and exhibit stem-like features, often residing in UV-protected hair follicles, suggesting their role in replenishing sun-damaged epidermis.

This study evaluated the protective effects of a hair conditioner containing rice derivatives on natural Caucasian hair using various analysis methods and found that the conditioner, especially with rice germ oil GX-N, effectively improved hair properties even under stress conditions like irradiation.

This study suggests that hemoglobin α expression in the epidermis is induced by oxidative stress and may function as an antioxidant, contributing to skin barrier function.

This chapter reviews a case of colour dilution alopecia in a Dobermann, offering insights into the clinical progression, differential diagnoses, and treatment options but reports no new findings.

This review outlines the various fibroblast subsets in the skin dermis, their origins, and their influence on epidermal stem cell behavior, highlighting the role of the local dermal niche in stem cell plasticity.

The researchers reported that SOX4 expression is significantly upregulated in melanoma and its knockdown in cell lines resulted in reduced tumor progression, suggesting potential for targeted therapies.

This commentary highlights the importance of additional sun protection for individuals with alopecia, noting that common headwear like baseball caps may provide insufficient photoprotection for the scalp.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

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 review discusses the role of corticotropin-releasing hormone in human skin, focusing on its regulation, receptors, and functions, and highlights parallels with the hypothalamo-pituitary-adrenal axis; it reports no new research findings.

This article discusses the role and potential of plant stem cell extracts in cosmetics for their antioxidant and protective effects on skin cells, reporting no new clinical results; the authors highlight ecological and sustainable production methods.