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This study found that G protein-coupled estrogen receptor enhances melanin synthesis in melanoma cells through cAMP-PKA-MITF-TYR signaling, suggesting its potential as a drug target for chloasma treatment.

This narrative review explores the historical use and significance of cosmetics in ancient India, detailing various formulations and botanical ingredients documented in Ayurvedic texts, but it reports no new research findings.

This review provides an overview of the physiologic skin changes during pregnancy but reports no new findings, emphasizing the need for physicians to distinguish between benign and potentially pathological conditions.

This study highlights confocal microscopy as a promising, minimally invasive tool for assessing hair morphology and internal structures, making it valuable for cosmetic hair assessments.

This study among Indian patients who underwent cosmetic procedures found that these treatments generally improved their interpersonal relationships with family and peers, with a noted gender difference in perceptions of facial image.

This article reviews gender differences in planning and managing female cosmetic surgery patients and reports no new clinical findings.

This article discusses cosmetic surgeries offered to men in the UK and highlights potential risks but reports no new findings.

This study found that hair treatments applied after chlorination, especially bleaching and dyeing, more significantly altered surface properties and weight loss, while perming most strongly affected tensile properties.

This study demonstrated that using a mass spectrometry imaging technique, researchers were able to visualize the incorporation of argan, avocado, and coconut oils into hair fibers, suggesting their potential in cosmetic and alopecia treatments by confirming oil absorption and fiber modification.

This review suggests that dermatological cosmetic procedures can be safely performed on dark-complexioned skin with appropriate treatment adjustments, highlighting the need for careful consideration to prevent adverse effects.

This study investigated the tensile response and morphological changes of different ethnic hair types using AFM, showing variations between virgin, chemically damaged, and conditioner-treated Caucasian hair under different conditions.

This review discusses skin changes during pregnancy, highlighting both pregnancy-specific and common physiologic changes, but reports no new clinical findings.

This article discusses various hair and nail abnormalities linked to paraneoplastic conditions and cancer treatments, emphasizing their potential role in diagnosing and managing internal malignancies and reports no new clinical findings.

This review summarizes the ophthalmic complications of common periocular aesthetic treatments but reports no new clinical findings, emphasizing the importance of recognizing potential side effects.

This study found that hair coloring, waving, and ironing were associated with increased hair abnormalities compared to untreated hair in Iranian women.

This narrative review highlights the distinct needs of pediatric hair care, emphasizing gentler formulations due to differences in children's hair physiology, structure, and barrier function, and calls for targeted regulations and research due to limited safety evidence.

This study found that chemically treated hair, particularly when subjected to both acid straightening and bleaching, experiences more significant structural damage when exposed to heat, highlighting key changes in both the internal and surface components of hair fibers.

Some drugs can cause hair loss or growth, but hair usually returns to normal after stopping the drug.

In this study, researchers found that while sunscreens added to hair products do not provide expected protection, the dark hair absorbs the most radiation across all wavelengths, indicating a need for enhanced protection.

This review discusses the role of iron from cosmetic sources in skin nutrition and reports no clinical results, highlighting its significance for skin, hair, and nail health.

This study investigated the effects of ammonium thioglycolate and amino methylpropanol hair straightening followed by permanent coloring, finding significant physical and chemical changes to both the cuticle and cortex of hair fibers.

Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.

This article reviews practical approaches for managing dermatologic conditions in patients with skin of color and reports no new clinical findings.

In this narrative review, the authors discuss regenerative substances like platelet-rich fibrin and mesenchymal stem cells in biological aesthetics, noting that while these methods show promise for regeneration, their safety, effectiveness, and durability remain uncertain due to limited and heterogeneous evidence.

This review from the 2013 Keogh Review found that non-surgical cosmetic interventions in the UK are largely unregulated, leaving patients with little protection or recourse.

This article reflects on the significant psychosocial effects of hair loss, emphasizing its impact on identity and urging medical professionals to treat it as a serious concern.

This review discusses the identification and classification of different wrinkle types based on histological features and microanatomy, emphasizing their varying responses to treatments, and reports no new clinical results.

This study found that during the COVID-19 pandemic, outpatient dermatology visits decreased initially but older adults increased their visits, with a shift from cosmetic to non-cosmetic procedures observed.

This study created a novel classification for dermatological and cosmiatric changes caused by cancer treatments, categorizing them as triggered, exacerbated, or unrelated to the treatment.

This review discusses the psychological importance of hair and explores how various hair cosmetics can affect hair health, emphasizing that certain products can lead to acute hair problems when repeatedly altering the natural style.