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This narrative review explores how exosomes and cell culture-conditioned media are becoming key players in the cosmetic industry for skin rejuvenation and prejuvenation, emphasizing their multifunctional topical benefits and potential future applications.

This study found that using an aqueous solution of AMPD in hair bleach reduced both hair damage and odor compared to ammonium hydroxide.

This study found that washing hair with surfactants reduces the internal density of hair due to cuticle lifting, and suggests that a cuticle-sealing strategy can inhibit this effect and maintain hair homeostasis.

In this review, several studies on Astragalus species, particularly Astragalus membranaceus, highlight their skin rejuvenating, photoprotective, antimicrobial, and wound-healing properties, though the authors note limitations due to reliance on non-human studies and short trial durations.

This review discusses recent advances in polydopamine-based biomaterials and their growing potential in personalized medicine, but reports no new experimental results; the authors highlight both opportunities and challenges for future applications.

This study found that a natural illite-based carrier could deliver minoxidil topically with preserved efficacy, minimizing solvent toxicity, and showed hair-growth-promoting activity via anti-inflammatory and pro-proliferative mechanisms in mice.

This review summarizes the ophthalmic complications of common periocular aesthetic treatments but reports no new clinical findings, emphasizing the importance of recognizing potential side effects.

This study found that melanin granules in black human hair are key dyeing regions for oxidative hair coloring, as confirmed by nanoscale mass spectrometry analysis detecting deuterium ions.

This study found that a peptide treatment using Protein disulphide isomerase improved the mechanical and thermal properties of over-bleached hair by promoting deeper peptide penetration and attachment.

This study evaluated the physicochemical characteristics, safety, and efficacy of six herbal and six synthetic shampoos and found that all products performed well in various tests, with no skin irritancy observed, suggesting that both types can be considered safe for use.

The document concludes that accurate diagnosis of male and female gonadal disorders is crucial for effective treatment and better patient outcomes.

This research suggests that the barley protein RACB supports cell polarity functions rather than interfering with immunity, as it aids nucleus positioning during fungal attack rather than affecting early immune responses.

This report describes the 2024 American Academy of Dermatology Annual Meeting in San Diego, notable for attracting nearly 20,000 attendees with 339 sessions covering a wide range of dermatological topics, making it potentially the largest dermatology meeting by attendance.

This review outlines various clinical methods for assessing ageing skin and discusses their application in supporting the efficacy claims of anti-ageing treatments, but it reports no new clinical results.

Keratin peptides can change hair shape gently without harsh chemicals.

This review discusses the potential of repeated low-level red-light therapy to inhibit myopia progression through metabolic effects, highlighting its molecular and cellular impact, but reports no new clinical results.

This review summarizes recent discoveries about how tissue-resident stem cells interact with their environments during normal conditions and after injury, without reporting new results.

This study observed that NSPC predominantly differentiated into neurons when exposed to serum fractions with molecules under 100 kDa, particularly with biomaterial and fibronectin, in the presence of basic fibroblast growth factor.

This study found that the growth of hair ice on dead wood requires the biological activity of a winter-active fungus, specifically Exidiopsis effusa, which shapes and stabilizes the ice structures.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

This study found that dual-frequency ultrasound with microbubble cavitation significantly enhanced minoxidil delivery and hair growth in both lab and animal models compared to single-frequency ultrasound, without damaging the skin in mice.

This study reports that novel core-ABS nanocarriers efficiently loaded with dexamethasone and finasteride show potential for dermal drug delivery, exhibiting non-toxic interactions with human keratinocyte cells and skin penetration.

This study found that chemical hair straightening significantly reduced hair curl and improved smoothness and shine, but did not significantly affect transverse fissures or split ends, indicating potential benefits with some side effects.

This study found that non-ionic silicone emulsion best protected hair color from UV-induced fading, outperforming honeysuckle extract and benzophenone-3, with significant effects in both dyed and virgin hair.

This study revealed key cellular dynamics and interactions during early embryonic mouse skin development, highlighting complex transitions from precursor states to diverse multilayered structures.

This study used in vivo confocal microscopy and a ResNet34 deep learning model to classify meibomian gland images with an AUROC greater than 0.95, indicating its potential for automatic diagnosis and screening of meibomian gland dysfunction.

This study observed that biodegradable PVA/agar films with incorporated Achillea millefolium L. essential oil, especially at 1% (v/v), demonstrated good mechanical performance and selective antibacterial activity against E. coli, suggesting their potential as wound dressings.

This review explores the potential of mesenchymal stem cells in skin regeneration and rejuvenation, highlighting their ability to modulate immune response and enhance extracellular matrix strength but does not provide new clinical evidence.

This paper reviews various techniques for measuring the physical and mechanical properties of human hair fibers, emphasizing their importance in developing effective cosmetic products.

This study describes the use of a genetically engineered mouse model, mTurquoise2-Col4a1, to fluorescently label collagen IV and observe basement membrane dynamics during skin development, revealing its stability and pliability during rapid growth phases.