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This review found that hydrolyzed collagen supplementation, particularly marine collagen, improves skin hydration, elasticity, and density while strengthening hair and nails, especially when paired with vitamin C and trace elements; however, more studies are necessary to evaluate long-term efficacy across different sources and demographics.

This review discusses the effectiveness of non-thermal, non-ablative devices like light-emitting diodes in treating various skin and hair conditions but reports no new clinical findings.

This review discusses the therapeutic use of photobiomodulation for various skin conditions, highlighting its efficacy in accelerating tissue repair, reducing inflammation, and treating pigmentary disorders and other skin diseases, but it reports no new clinical results.

In this study, collagen I decellularized scaffolds enhanced the growth and melanotic properties of hair follicle melanocytes, suggesting their potential as effective carriers for transplantation in vitiligo treatment.

This study found that topical niacinamide significantly improved the appearance of wrinkles, skin yellowing, and elasticity in aging facial skin over 12 weeks.

This study observed that cultured dermal papilla cells showed distinct functional properties from dermal fibroblasts, including lower proliferation rates, higher adhesion to collagen type IV, and different cell-matrix interactions.

This ex vivo study reported that melatonin significantly improved certain aging biomarkers in aged human skin, including reduced mTORC1 activity, increased fibrillin-1, and enhanced collagen and elastic fiber organization, though other key biomarkers remained unchanged.

This study concluded that early-stage tissue-engineered skin substitutes, developed using skin progenitor cells, had a better graft efficiency and supported hair follicle formation, which may improve wound healing outcomes.

The study's findings are unreliable due to retraction.

This study reports that zinc oxide or silver nanoparticles capped with vitamin A or E, incorporated into wheat gluten films, showed significant potential in promoting burn wound healing in mice by facilitating wound contraction, re-epithelialization, and collagen deposition, while also exhibiting antioxidant and antibacterial properties.

This source highlights the challenge in achieving scarless healing with skin appendage regeneration for wounds and notes that vitamin A derivatives show promise for promoting new follicle growth. However, specific results from this research are not reported in the abstract.

In this study, the researchers observed that a recombinant human collagen complex with nicotinamide promoted hair growth in rat models, increased hair follicle stem cell survival, and enhanced key protein expression, suggesting potential benefits for hair health and loss prevention.

Oral collagen combined with other treatments effectively reduces hair loss and improves hair quality in telogen effluvium.

This study suggests that microneedling may be an effective and less painful treatment for vitiligo, offering benefits over traditional needle injections, particularly in challenging-to-treat areas like the extremities or stubborn regions.

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 source describes Kudo Anti-Aging Gummies, which are promoted as a natural supplement designed to reduce wrinkles, enhance hair and nail health, and improve skin appearance by restoring collagen, with results purportedly visible within 1-2 months.

This study suggests that BBS7 is crucial for maintaining PDL homeostasis by supporting Sonic hedgehog signaling activity, with occlusal hypofunction leading to its downregulation and associated tissue changes.

Early-stage skin substitutes improve wound healing and skin structure.

This study found that human hair follicle dermal papilla cells and keratinocytes self-assembled differently in 3D spheroid co-cultures, providing insights into cell distribution and organogenesis during skin regeneration.

This study found that CYP11A1-derived vitamin D3 analogs inhibit fibroblast proliferation and decrease collagen production through VDR expression, showing potential antifibrotic and antiproliferative activity in human dermal fibroblasts.

This study found that while 450nm blue light can inhibit collagen and induce oxidative stress in dermal fibroblasts, 850nm near-infrared light may enhance metabolic activity without causing oxidative damage, suggesting potential for tailored light therapies in skin treatments.

This study found that electrospun short fibrous sponges effectively mimic the 3D extracellular matrix, promoting tissue regeneration, angiogenesis, and wound healing in diabetic rats better than 2D fiber membranes.

This study developed an in vitro model using human follicular keratinocytes to observe selective cell growth and differentiation, potentially aiding future research on hair biology and growth processes.

In this study, a single dose of PTH–CBD produced a sustained increase in bone mineral density for up to a year in mice, indicating its potential as an osteoporosis treatment.

This study found that KY19382, a small molecule activating the Wnt/β-catenin pathway, significantly improved wound healing by enhancing cell migration, increasing collagen and stem cell markers, and accelerating re-epithelialization and neo-epidermis formation in a murine model without causing significant cytotoxicity.

In this study, the novel fatty acid-conjugated tetrapeptide Palmitoyl-GDPH enhanced wound healing in rats by improving re-epithelialization and collagen deposition with minimal toxicity observed at the used dosage.

This study found that multiphoton microscopy effectively visualizes the microstructure of in vivo mouse skin, offering a clear view of various skin layers and components like corneocytes and collagen fibers.

This study found that using a combination of ablative CO₂ fractional laser and fetal fibroblast transplantation significantly reduced scarring in mice, with long-term sphere-forming cultured fibroblasts producing scar appearances closest to normal skin.

This review explores the skin benefits of exercise and discusses how artificial intelligence can tailor exercise programs to individual skin health needs, emphasizing the potential of AI-driven strategies in cosmetic dermatology for more personalized and adaptive skincare approaches.

This review highlights evidence that exercise benefits skin health by enhancing collagen synthesis and reducing oxidative stress and discusses the potential of AI technology to personalize exercise programs, optimizing skin benefits based on individual needs and environmental factors.