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This narrative review summarizes evidence on NAD⁺ biosynthesis and turnover, highlighting that while NAD⁺ precursors like NR and NMN consistently boost NAD⁺ levels in preclinical and human studies, clinical outcome results remain varied, indicating a need for more standardized human trials.

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 review highlights research reporting that oral collagen peptide supplements are effective in enhancing skin elasticity, hydration, and reducing wrinkles, although results vary across studies. Oral supplementation was generally well-tolerated, and further investigation is needed to optimize formulations and explore topical application challenges.

This study found that a topical gel formulation containing rice water demonstrated in vitro antioxidant activity and elastase inhibition, suggesting its potential as an anti-aging skincare ingredient.

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.

In this study, O. forskahlii seed oil was found to promote hair growth in rats and exhibit anti-aging effects on human skin cells by enhancing fibroblast proliferation and inhibiting inflammation and enzyme activity, indicating potential for cosmetic use.

This article reviews the therapeutic use of carnitine derivatives for re-establishing mitochondrial functionality in aging and reports no new clinical results.

This review discusses the potential antiaging effects of Chinese herbal medicines and suggests their role in regulating aging-related genes through various signaling pathways; it reports no new clinical results.

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.

This review discusses the biological effects and mechanisms of THSG in antiaging and related disease treatments but reports no new experimental findings.

This study found that using Alastin Restorative Skin Complex Serum 2.0 with TriHex Technology for 12 weeks significantly improved facial skin hydration, elasticity, and overall quality in individuals with moderate to severe skin aging, with histological evidence showing new collagen and elastin fibers.

This study reinterprets the myth of Paris and Helen, revealing that the significant age gap and societal roles of the characters challenge both ancient and modern cultural norms about age, love, and beauty.

This review discusses the cosmetic potential of Southeast Asian herbs and highlights the need for more systematic scientific evaluation of their efficacy and safety.

This article reviews advancements in hair cosmetics, including "cosmeceuticals" and new dermocosmetic strategies, and reports no new clinical results.

This review discusses the use of mushrooms and their bioactive compounds in cosmeceuticals and nutricosmetics and reports no new clinical findings, highlighting potential areas for future research and development.

This review summarizes the anticarcinogenic, anti-inflammatory, and other health effects of green tea, noting its historical and ongoing use in dermatological and cosmeceutical applications, but reports no new clinical results.

This study reported that plant-produced basic fibroblast growth factor effectively promoted cell proliferation and collagen production in vitro, suggesting potential applications in cosmetics for antiaging and hair growth.

The moisturizer with phytol improved skin texture and reduced fine wrinkles better than the moisturizer without it.

Pharmacists play a crucial role in improving patient outcomes through personalized care and staying updated with scientific advancements.

In this study, rice water was reviewed as a cosmetic ingredient, highlighting its safety, stability, and possible benefits such as anti-inflammatory and anti-aging effects, as well as improvements in hair growth and skin hydration.

This review explores adult female acne, focusing on its multifactorial causes, treatment options, and impact on quality of life, but reports no new clinical results.

This review discusses the use of natural products in cosmetic preparations for skin and hair care, but reports no new research results.

This review reports on the dual aspect of fullerene in skincare, highlighting its beneficial antioxidant properties as well as potential toxicity and skin cell reactions, while identifying areas for future research.

This review highlights the potential of coffee silverskin's bioactive compounds in combating skin aging and related conditions, suggesting it as a promising natural ingredient for cosmetics due to its antioxidant, anti-inflammatory, and anti-aging properties.

This review examines around 68 plant sources from six major plant families, assessing their scientific rationale and use by the cosmeceutical industry for applications like anti-ageing and sun protection.

This review highlights the potential of aromatic plants as natural antioxidants in cosmeceuticals, which may combat skin aging and promote rejuvenation by counteracting oxidative stress, offering a natural alternative to synthetic products with benefits like photoprotection and anti-wrinkle effects.

This study concludes that egg shell membrane hydrolysates, particularly Fraction I, may effectively mitigate UV-B radiation-induced wrinkles and promote skin collagen and hyaluronic acid production, suggesting potential use in functional cosmetics.

This study reviewed the prospects and challenges of using stem cells from adipose tissue in regenerative medicine for facial rejuvenation, emphasizing the need for further research to ensure patient safety before these methods can become routine in cosmetic and reconstructive surgery.

The researchers reported that Gambogic Amide may prevent hair greying and promote hair growth by maintaining follicle pigmentation in vitro through activation and migration of melanocytes.

This study explores the potential roles of exosomes in anti-aging applications, highlighting their ability to modulate inflammation, promote tissue regeneration, and transfer bioactive molecules to rejuvenate aging tissues and reverse cellular dysfunction.