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This source outlines the development of a comprehensive system for evaluating the safety and efficacy of cosmetics in China compared to established practices in Europe and the U.S., highlighting factors like AI technologies and specific product categories such as anti-aging and sun protection.

In this study, the researchers found that constitutive activation of the EGFR in mice led to increased sebum production, enlarged sebaceous glands, and altered gene expression related to sebocyte proliferation and lipogenesis.

This article reviews the impact of diet on acne, suggesting that dairy and high-glycemic foods may contribute to acne development, but it presents no new clinical findings.

This article reviews the genetic and androgenic factors influencing the development of androgenetic alopecia and reports no new findings; the authors highlight a need for further research into the underlying mechanisms.

Hormones, especially androgens, play a key role in causing acne, and treatments like hormone control pills and hormone-blocking medications can help.

Phospholipase Cδ1 is crucial for normal skin and hair development.

This study found that inhibiting AP-1 activity in mice modified tumor development, leading to transdifferentiation between squamous and sebaceous tumors, with molecular analysis suggesting AP-1's role in maintaining tumor cell identity.

This review examines the complex mechanisms that regulate skin stem cell development, activation, and differentiation, emphasizing the molecular signaling pathways that influence their fate and contribute to skin homeostasis.

This review discusses hormones that affect acne and highlights a statistically significant link between a low-glycemic-load diet and reduced acne activity, but reports no new experimental findings.

This review examines the role of retinoic acid synthesis in hair follicles and sebaceous glands, focusing on its localization and function during normal and disease states, but reports no new results.

This review discusses the potential hormonal and metabolic factors influencing hidradenitis suppurativa and highlights the need for further research to explore hormonal dysregulation's role in the disease.

Genetic changes in mice help understand skin and hair disorders, aiding treatment development for acne and hair loss.

In this study, the researchers found that deleting ceramide synthase 4 in the skin's epidermis alters stem cell differentiation, disrupting hair follicle structure and barrier function, potentially leading to immune responses similar to atopic dermatitis.

This review discusses the role of oxidative stress and reactive oxygen species in the development of androgenic alopecia and reports no new clinical findings.

This study discovered that TREM2 macrophages influenced by squalene play a role in acne's development by hindering the killing of Cutibacterium acnes, helping explain why benzoyl peroxide is effective in treatment.

This study examines how skin microbiota and the gut-skin axis affect acne development, aiming to reveal mechanisms that could inform future treatment strategies for acne and other inflammatory skin conditions.

Hormonal treatments can help with acne, especially in women, by lowering androgen levels or blocking their effects.

This paper discusses the hypothesis that anti-acne agents may work by reducing FGFR2 signaling, and emphasizes FGFR2's potential role in acne pathogenesis, but it reports no new experimental findings.

This study found that the absence of sebaceous glands may be an early factor in the development of keratosis pilaris, leading to hair shaft and skin barrier abnormalities, independent of filaggrin mutations.

This review discusses the embryology, structure, and function of sebaceous glands and their involvement in skin disorders but reports no novel findings.

This review discusses recent findings on the plasticity and regulation of epithelial stem cells and reports no new experimental results.

This study found that patients with acne vulgaris had higher serum IGF-1 levels and more intense FoxO1 and mTOR expression than controls, suggesting their role in acne pathogenesis.

This review discusses advancements and challenges in cutaneous gene therapy using direct and indirect techniques, noting that while clinical translation has begun, further developments are essential for progress.

This study found that nestin-expressing progenitor cells, capable of becoming ORS keratinocytes, are present in both developing and adult mouse hair follicles.

Men with baldness have higher levels of specific proteins, suggesting local hormone production may play a role in hair loss.

Androgens and other hormones affect hair growth and skin conditions like acne.

This review discusses the role of hormones in acne vulgaris and highlights the need for further research on their mechanisms of action; it reports no new clinical results.

This review discusses the link between insulin resistance and skin conditions such as acanthosis nigricans and psoriasis, but provides no new clinical results.

This study identified mutations in the SREBF1 gene that impair SREBP1 function, potentially contributing to IFAP syndrome by affecting skin, hair, and eye development.

This review examines the role of hormones in acne pathogenesis, the use of hormonal therapies for treatment, and the importance of contraceptive counseling during isotretinoin therapy, but reports no new clinical results.