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This study suggests that age-related changes in skin elasticity reduce its stability against wrinkling, and anti-aging strategies should focus on addressing elastic mismatches between skin layers.

Aging causes hair loss and graying due to stem cell decline and changes in cell behavior and communication.

This review discusses the changes in hair follicles with aging, particularly graying due to decreased melanocyte activity, and suggests potential for hair repigmentation under certain conditions, but reports no new results.

This article reviews age-related changes in facial structure at a cellular level and summarizes potential solutions for rejuvenation surgery, but reports no new clinical results.

This review discusses the classification and regulation challenges of anti-ageing cosmetics in Europe and reports no new findings; it calls for increased transparency to help consumers make informed choices.

This review discusses the aging-related changes in hair properties, their impact on styling, and potential interventions, without providing new clinical results.

This article discusses the aging-related changes in hair structure and function, and examines various treatments like light therapy, minoxidil, and finasteride aimed at mitigating hair thinning and loss, but reports no new clinical results.

This review explores the potential impact of hormonal changes during aging on benign prostate hyperplasia-related urinary symptoms and metabolic syndrome, highlighting the hypothesis of a male PCOS-equivalent but reports no new clinical results.

Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.

This review detailed the types and mechanisms of injectable "skin boosters" and evaluated their effectiveness and safety for mitigating age-related skin changes, providing insight into their use in contemporary dermatological practice.

This study found that mitochondrial dysfunction in the epidermis contributes to aging-related changes in hair follicles among mice, with aged mice showing reduced hair density and delayed regrowth, suggesting that maintaining mitochondrial function may help prevent age-related organ decline.

This study found that while hormone replacement therapy can improve skin aging in menopausal women, inconsistent findings and a lack of robust clinical trials mean it isn't recommended purely for skin benefits.

This review discusses the multiple factors contributing to skin aging, including cellular changes and environmental influences, and highlights its recognition as a disease with significant implications beyond cosmetic concerns, without reporting new research results.

This article examines the Ayurvedic perspective on the aging process, detailing how physical, emotional, and metabolic changes occur naturally over time, affecting various body systems, and highlights the role of Vayu dosha during the final stage of life, Vriddhavastha.

This review discusses alopecia in elderly patients, differentiating between normal hair aging and pathological changes, and reports no new clinical results; the authors aim to guide clinicians in management.

This study details how very long human hair naturally ages, showing cuticle wear and internal fiber changes that may inform new hair care product designs.

This article discusses the lack of effective drugs for treating graying hair and explores current therapies for age-related hair changes, emphasizing the importance of addressing general health issues and nutrient supplementation for hair health.

This narrative review concluded that lifestyle factors such as nutrition, sleep, exercise, and social interactions play key roles in improving skin health and well-being with aging, and suggests social media campaigns could promote beneficial lifestyle changes in the future.

This study discusses how redox imbalance, specifically through reduced Insulin-like Growth Factor-1 mediated by the transcription factor JunB and sphingolipid metabolism changes, contributes to skin aging by depleting stem cell pools and altering the extracellular matrix, ultimately impacting skin integrity and function.

This article reviews the functions and locations of skin stem cells and their role in regeneration and differentiation, relating age-associated skin changes to decreased stem cell functionality; it reports no new experimental findings.

This review covers recent findings on skin aging, emphasizing how cellular senescence and changes in the microenvironment impair stem cell functions, affecting skin regeneration.

This study found that testosterone applied to aging skin modestly reduced wrinkles and improved microscopic skin architecture, while ethinyl estradiol showed no effect and corticosteroids worsened skin aging changes.

This study observed that in aged mouse skin, there was an increase in IL-17-expressing T helper cells, γδ T cells, and innate lymphoid cells, and blocking IL-17 signaling reduced skin inflammation and delayed age-related changes, suggesting it as a potential target to mitigate skin aging.

This study reported that an ex vivo organ culture system effectively induced aging-related changes in healthy human skin, allowing testing of senolytics like tretinoin, resveratrol, and caffeine.

This study found that ginsenoside Rb1 treatment significantly reduced aging symptoms in mice by regulating cell cycle and apoptotic pathways, potentially linked to metabolic changes.

In this study on mouse preputial glands, suppressing ATG7-dependent autophagy delayed age-related changes, affected lipid metabolism, and reduced pheromone production, highlighting autophagy's roles in glandular homeostasis and cell breakdown.

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 review discusses the impact of age-related hair changes on perceived attractiveness and self-perception, emphasizing the need for holistic anti-aging consultations that include hair preservation strategies.

This review discusses capillary aging and its phases, and emphasizes the dermatologist's role in diagnosing hair aging accurately, but reports no new clinical results.

In this study, researchers found that cochlear hair cell function declined with age in CBA/CaJ mice starting at 10 months, before detectable hearing loss, and was marked by a decrease in cell size and BK channel currents, without effect on MET currents.