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This review discusses the use of microbial biosurfactants as a safer alternative to chemical surfactants in cosmetics due to their antibacterial, moisturizing, and low toxicity properties, but it reports no new clinical findings.

This review synthesizes research on solar radiation's multifaceted effects on skin and recent advancements in sunscreen technology, including formulation, testing methods, and the use of AI, to inform future sun protection product development.

This review discusses the potential link between gut microbiota alterations and the onset and progression of alopecia areata, identifying it as a possible pathogenetic factor and therapeutic target, but reports no new clinical results.

This review discusses the complex correlation between cellular senescence and PCOS, emphasizing senescence markers, mechanisms, and potential anti-senescence therapies, but reports no new clinical results.

This review highlights that extracts from *Hamamelis virginiana* (witch hazel) exhibit antimicrobial, anti-inflammatory, antioxidant, and wound-healing properties in various studies, showing promise for future therapeutic use in dermatology and cosmetology, particularly for skin treatments.

This review discusses how ionizing radiation causes skin damage by inducing cellular senescence in keratinocytes, which secrete inflammatory mediators, recruiting immune cells and exacerbating inflammation, impacting the skin barrier function and healing.

Intermittent fasting slows hair growth by damaging hair follicle cells.

This study reports that Hair RiseTM microemulsion, made from plant extracts, significantly enhanced hair follicle cell growth and improved hair growth signaling pathways, suggesting it as a plant-based alternative for androgenetic alopecia treatment.

This study reviews the regulatory mechanisms and molecular processes governing stem cell activity in hair follicles, highlighting their roles in hair regeneration and potential implications for treating hair and skin disorders.

In a mouse model study, researchers observed that the absence of MCPIP1 in myeloid cells decreased susceptibility to chemically induced skin papillomas but caused significant hair loss and skin pigmentation changes, suggesting a role for MCPIP1 in skin carcinogenesis and follicle integrity.

This study found that Rumex japonicas Houttuyn ethanol extract may promote hair growth and protect against oxidative stress-induced hair damage in mice and HaCaT cells.

This review discusses the impact of lifestyle interventions, including diet and probiotics, on weight and metabolic health in women with PCOS, but reports no new clinical results.

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 review article addresses how the TRPV4 ion channel helps cells respond to mechanical and environmental stimuli, discussing its role in calcium signaling crucial for tissue repair and fibrosis across various organ systems, and highlighting potential therapeutic targets from animal and disease models.

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 reports the development of a prototype robotic hair transplant system capable of efficiently harvesting and implanting hair grafts, showing promising accuracy and performance in tests using a spherical scalp phantom.

This source highlights that arsenic exposure through contaminated groundwater is a significant global health risk, leading to skin and hair conditions such as pigmentation changes, skin irritation, alopecia, and can eventually result in skin cancer.

In this literature review, researchers compiled evidence on repurposed synthetic radioprotective agents, including metformin and simvastatin, that have demonstrated potential in mitigating the side effects of radiotherapy in cancer treatment.

This study found that radiation-induced salivary gland dysfunction in mice involves microvascular damage mediated by ceramide and reactive oxygen species, suggesting ROS scavengers could protect salivary function during radiotherapy for head and neck cancer.

This review summarizes existing studies on toxic agents that can cause alopecia, with thallium and colchicine having the most established links, while others like botulinum toxin A need further investigation.

This study found that in mice, low-dose irradiation causes stem cells in hair follicles to undergo chromatin alterations, which may eventually lead to long-term functional loss in tissues or organs.

This study found that Gelidium corneum, a type of red seaweed, may serve as a promising source of bioactive compounds for skin health, showing photoprotective and healing properties in vitro and antioxidant and stability benefits in vivo when used in dermocosmetic formulations.

This review discusses manipulating the stem cell niche as a strategy in regenerative medicine to repair damaged tissues, highlighting the potential benefits and challenges but reporting no new results.

In this study, researchers found that intestine-derived human alpha defensin 5 enhances wound healing, reduces bacterial load, and promotes hair growth in murine burn wound beds by increasing LGR stem cell migration.

This study demonstrated that troxerutin may protect human dermal papilla cells from H2O2-induced damage and suggests potential in treating alopecia by inhibiting ROS-mediated cellular damage.

Surgery to fix a broken upper arm bone can sometimes lead to nerve damage.

Long-term use of a certain medication can worsen erectile function in aged rats by damaging penile muscle cells.

This study found that stem cell transplantation effectively reduced acute inflammation-induced testicular damage, suggesting potential for cell-based therapies in addressing male infertility.

This review discusses the dynamic, niche-driven regulation of stem cell states in tissue homeostasis and regeneration, focusing on epithelial stem cells in the mammalian skin, intestine, and lung, without providing new experimental results.

This review discusses the therapeutic effects of vitamins, highlighting risks such as liver damage from prolonged high doses of vitamin A and hypercalcemia from excessive vitamin D, while noting a case of allergic reaction to vitamin B12.