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In this study, periodic exposure to red light in aged mice led to increased histone acetylation and activated mitochondrial fatty acid oxidation, which collectively mitigated cellular aging by modulating metabolism, inflammation, and gene expression.

In a dermal Gorab knockout mouse model, this study found that Gorab mutations increase P53 protein accumulation and disrupt extracellular matrix expression, contributing to accelerated skin aging and suggesting a pathway involving epigenetic regulation.

This study found that mesenchymal stem cells mainly promote skin regeneration and delay aging through paracrine activity, releasing growth factors and cytokines that protect against oxidative stress and stimulate healing.

This review highlights pigment epithelium-derived factor's roles in ageing and development, focusing on its antioxidant functions and support of stem cell survival, but reports no new experimental results.

This study observed that both in vitro and in vivo research demonstrated rice bran extract can significantly enhance collagen and elastin synthesis, reduce water loss, and improve skin quality and elasticity, highlighting its potential as a sustainable cosmetic ingredient.

This perspective highlights research suggesting that cellular senescence in melanocytes may unexpectedly aid hair regeneration by activating hair follicle stem cells, challenging traditional views of senescence as purely detrimental.

Microfluidic models improve testing for aging, wound healing, and oral tissue, reducing animal testing.

This study examined the association between aging and androgenetic alopecia, suggesting a strong interplay among chronic inflammation, metabolic dysregulation, and increased oxidative stress as contributing factors.

This study found that topically applied melatonin exerts significant anti-aging effects on human scalp skin ex vivo, including increased SIRT1 expression and reduced mTORC1 pathway activity.

This review explores the potential of regenerative cosmetics, specifically engineered skin tissues, for rejuvenating aging skin, healing wounds, and restoring hair, offering promising alternatives to traditional dermocosmetic treatments by promoting collagen production, reducing wrinkles, and regenerating hair follicles.

In this study, hydrolyzed keratin supplementation using KeraGLO® significantly improved skin parameters such as wrinkle depth, smoothness, moisture, and firmness, as well as hair health, in healthy adult females over a 90-day period at both 500mg and 1000mg doses.

This study found that clippers are the safest and most efficient tool for collecting hair samples from companion dogs, with no impact on cortisol concentration compared to scissors.

This study highlights the potential of cosmetic products combining fibroblast growth factors and antioxidants like thioproline, ergothioneine, silymarin, and rosmarinic acid, to mitigate skin aging by reducing oxidative stress and enhancing cellular protection in the skin.

This study found that Eclipta alba (L.) cultivated in France exhibited significant anti-inflammatory, antioxidant, and anti-collagenase activities, attributed mainly to compounds like wedelolactone and demethylwedelolactone, suggesting potential use as an anti-aging cosmetic ingredient.

This study found that communication about aging across seven domains may predict successful aging in Indonesia through both positive and negative effects and efficacy toward aging.

This study found that inhibiting autophagy in mouse preputial glands alters lipid metabolism, delays aging-related duct changes, and reduces pheromone production, indicating autophagy's critical role in gland homeostasis and cell breakdown during secretion.

This study found that autophagy in the preputial glands of mice plays a crucial role in regulating lipid and fatty acid metabolism, as well as pheromone production.

This study found that treating aged mice with the Cdc42 inhibitor CASIN restored hair follicle stem cell functionality and improved hair regeneration by inducing anagen onset and increasing anagen skin areas.

This study investigated novel genetic tools to manipulate hair follicle compartments in mice and found that altering dermal papilla genes can significantly impact hair pigmentation.

RCS-01 is safe and may help rejuvenate aging skin.

The document recommends personalized, culturally sensitive treatments to rejuvenate the aging Asian face, focusing on natural results and specific techniques for skin, hair, and facial features.

This study suggests that selenium deficiency accelerates aging-related health deterioration in mice with short telomeres, providing a model for exploring selenium’s role in human aging.

This review discusses the role of mitochondrial dysfunction in the ageing process and reports that its significance compared to other factors in mammalian ageing remains uncertain.

In this case report, an 80-year-old woman experienced darkening of previously grey hair, which may be linked to vitamin B supplementation, though its effectiveness is typically associated with reversing greying only in the presence of an initial vitamin B deficiency.

This article discusses the role of estrogens in skin aging and reports no new findings; it highlights the potential of selective ER modulators to improve skin health without systemic side effects.

This study observed that Japanese women experience diffuse central hair loss after age 40, characterized by reduced hair density and thicker hair ratio rather than vellus-like hairs.

This study found that mice with a specific loss of DNA methyltransferase 1 showed uneven epidermal thickness, reduced hair regeneration, and progressive alopecia, emphasizing DNA methylation's role in stem cell homeostasis.

This study suggests that short telomeres may produce similar aging-related symptoms across different segmental progeroid syndromes, offering potential insights into normative aging processes.

This review explores how estrogens influence skin health and attractiveness in women, particularly with aging, but it reports no new clinical findings.

This study suggests that the susceptibility of hair follicle melanocytes to oxidative stress as they age may be key in the graying of hair due to reduced catalase expression and activity.