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This review highlights caffeine's diverse benefits in cosmetics and nutricosmetics, noting its antioxidant properties, ability to treat skin disorders like androgenic alopecia, and potential to enhance sunscreen effectiveness, though penetration into deeper skin layers remains challenging.

In this study, researchers observed significant differences in microbial composition between UV-induced fluorescent and non-fluorescent scalp areas in patients with androgenetic alopecia, noting a higher abundance of Cutibacterium in the fluorescent regions.

This study found that a blend of low- and high-molecular weight hyaluronic acid significantly improved penetration into the hair cortex compared to individual HA types, reducing frizz and increasing hair elasticity and water content, as measured by Confocal Raman Spectroscopy.

Aging skin is affected by inflammation, reduced stem cell function, and slower wound healing.

This article discusses the mechanisms by which Cutibacterium acnes contributes to acne vulgaris and mentions potential triggers like UV light and tobacco, but it reports no new clinical results.

This study developed chemical fingerprints to differentiate Eclipta prostrata and Wedelia calendulacea, two plants often confused and adulterated in the Indian herbal market, identifying distinct chemical profiles that can prevent such adulteration.

This article reviews the skin and hair changes associated with menopause due to hormonal shifts and reports no new clinical results.

This research found that melatonin plays a protective and modulatory role in skin biology, reducing UV damage and chemotherapy-induced hair follicle cell harm in human organ culture models.

This study found that holding abatacept infusions for four weeks or longer before elective hip or knee arthroplasty did not reduce the risk of post-operative infections or readmissions.

This review highlights the complex interplay between intrinsic and extrinsic factors influencing skin aging, emphasizing the need for advanced human-specific models to study aging mechanisms and develop new therapies.

In this study, researchers found that the Shindai method effectively extracts keratin from human hair, with female hair yielding more keratin than male hair. The extracted keratin showed high absorption with UV spectrometry and was confirmed as α-keratin through SDS-PAGE analysis.

This study reported that urban pollution accelerates facial wrinkle development and increases pigmentation severity in Chinese women over 30, whereas UV exposure affects these signs from age 20. After 45, pollution becomes a key contributor to skin aging.

This study found that hemoglobin α is upregulated in epidermal keratinocytes after UV exposure and may function as an antioxidant, particularly for hair follicle stem cells.

This study concluded that niosomes could effectively serve as stable carriers for topical aminexil delivery, showing promising stability and a slow, biphasic release profile in laboratory settings.

This article reviews the role of vitamin D receptor in protecting the skin from UV radiation-induced damage and tumor formation, but it reports no new clinical results.

In this study, silver nanoparticles derived from Ziziphus nummularia leaf extract showed enhanced antibacterial, antifungal, antioxidant, and hair growth properties compared to the leaf extract itself.

This study found that phenyl-imidazole sulfonamide derivatives, particularly ISCK03, inhibited c-kit signaling and promoted depigmentation in various experimental settings, suggesting potential use as skin-whitening agents.

IL-1 receptor absence in mice leads to skin cysts and changes in immune response after UVB exposure.

This study found that transgenic mice overexpressing HGF/SF are more susceptible to UVA-induced melanoma, with melanin in the papillary dermis interacting with UVA to induce melanoma.

This review highlights that nanoemulsions, especially those with droplet sizes under 200 nm, show promise in pharmaceuticals and cosmetics by improving drug stability, bioavailability, and reducing side effects, with potential applications in CNS diseases, cancer treatments, and skincare products.

This case report describes a 61-year-old woman with telogen effluvium, highlighting her concerns about exacerbated hair loss after surgery and aims to explore anesthesia techniques that might reduce hair shedding in such patients.

This review summarizes preliminary evidence suggesting that CBD-containing sunscreen may offer UV protection through antioxidant properties, though further studies are needed to confirm safety and efficacy.

This review explores the impact of vitamin D deficiency on the skin from a dermatological perspective, but reports no new clinical results.

This review explores how air pollutants may contribute to various skin diseases and highlights potential mechanisms, but it presents no new clinical findings.

This review compiles epidemiological data on actinic keratoses and suggests promoting strategies like early diagnosis and photoprotection to prevent progression to skin cancer, but it reports no new clinical findings.

This review discusses the impact of menopause-related oestrogen deficiency on skin ageing and suggests that oestrogen use may improve collagen and skin elasticity, but it reports no clinical trial results.

This review discusses the potential causes and treatments for frontal fibrosing alopecia but reports no new clinical findings, highlighting the need for further research to understand its pathogenesis and develop validated treatments.

This case study found that isotretinoin treatment achieved complete resolution of erosive pustular dermatosis of the scalp in a patient, suggesting systemic retinoids as a potential treatment option.

This review examines acneiform eruptions, often drug-induced, highlighting that they differ from acne vulgaris in causes and characteristics, with no new clinical results reported.

This review discusses various applications of nanoemulsions in drug delivery and reports no new clinical results; it highlights the patents that cover these applications.