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This study found that an ethanolic extract from the microalga Tetrathelmis tetrathele exhibited anti-inflammatory effects, promoted the proliferation of certain skin and hair cells, and inhibited 5α-reductase activity, suggesting its potential as a therapeutic agent for preventing alopecia and enhancing scalp health.

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 study found that the Padina arborescens extract and its component MOGG may prevent hair loss by inhibiting 5α-reductase activity, promoting cell proliferation, opening the KATP channel, and increasing PGE2 production in laboratory settings.

In this study, neonatal mouse mesenchymal cells showed hair-inducing capabilities, which were lost during in vitro propagation but could be partially restored through specific high-density culture methods.

The researchers reported that in nonmelanoma skin cancers, the expression of osteopontin splice variants is significantly higher compared to normal skin, with OPN-a elevated in basal cell carcinoma more than OPN-c.

This study found that mackerel fermented fish oil protected human keratinocyte cells from UVB-induced oxidative stress by scavenging free radicals and reducing cellular damage.

This study suggests that Crinum asiaticum var. japonicum extract and its component norgalanthamine may promote hair growth by inhibiting 5α-reductase activity and the TGF-β1-induced pathway.

This study developed new label-free imaging methods to analyze human hair, identifying distinct chemical environments within cuticle layers and changes in hair structure caused by depilatories, while showing that the treatments tested did not significantly affect skin cell differentiation or proliferation.

This study found that 2-hydroxy-1,4-naphthoquinone was the most effective inhibitor of steroid 5α-reductase, showing stronger inhibition than avicequinone C in HaCaT cell assays.

This study found that ethanol extract and an ethyl acetate fraction of Sargassum fusiforme promoted hair regrowth in C57BL/6 mice and stimulated expression of hair growth-related genes in both in vitro and in vivo models.

In this study, exposure to m-Aminophenol in human keratinocytes altered the expression of thousands of genes involved in inflammation and stress responses, suggesting potential biomarkers for MAP-induced skin toxicity.

This study suggests that CD151-integrin complexes inhibit epithelial cell migration, and that disruption of these complexes enhances migration, regulated by Rho GTPase activation differences on distinct laminins.

This study suggests that the phytochemical characteristics of their extract may help reduce IL-1α levels, potentially offering therapeutic support for addressing certain types of nonscarring hair loss.

This study found that caffeic acid amide derivative, compound 4, effectively inhibited steroid 5α-reductase type 1 in vitro, suggesting potential for development as a treatment for androgenic alopecia.

This study found that while extracellular matrix components like hyaluronic acid promoted larger organoid formation, other matrix components hindered hair follicle germ assembly in an in vitro model.

This study found that pyramidal neural precursors best grew neurites on matrigel, while neural stem cells differentiated directionally on aligned fibrin, suggesting the importance of biomaterial selection for cell culture.

This study found that low-molecular-weight hyaluronate significantly improved the mechanical strength and elastic modulus of overbleached hair by enhancing hydrogen bond networks within keratin.

In this cross-sectional study conducted at Farhat Hached Hospital in Tunisia, more than half of the 60 alopecia areata patients surveyed experienced depression, particularly younger individuals and those with severe or specific forms of the condition, underscoring the need for psychological support.

This study found that microwave-assisted Opuntia humifusa extract improved antioxidant and anti-inflammatory properties to counteract particulate matter's harmful effects on HaCaT keratinocytes.

This study found that kojic acid and niacinamide were the most effective inhibitors of UVB-induced NF-κB activation and IL-6 secretion in HaCaT keratinocytes, suggesting a role in modulating melanotrophic factor synthesis.

In this case study, medical management with trilostane improved clinical signs and normalized serum chemistry in a dog diagnosed with adrenal-dependent hyperadrenocorticism over 80 weeks of treatment.

This review found that hair antiretroviral concentration may be associated with several factors, including hair type and genetic factors, but not with race/ethnicity or alcohol use.

This study found that exosomes from human umbilical cord mesenchymal stem cells reduced oxidative stress and inflammation in UVB-induced skin injury in cell and mouse models, suggesting their potential for treating UV-damaged skin by influencing Nrf2 and NF-κB pathways.

This study found that human adipose-derived stem cells co-cultured on a collagen sponge scaffold showed increased differentiation into keratinocytes, suggesting potential for improved skin wound healing.

In this study, researchers found that keratinocytes are unlikely to be target cells for androgen, as shown by limited androgen receptor transcriptional activity in keratinocyte cells.

This study found that 3D cultured hair follicle-like constructs, which include keratinocytes and dermal papilla cells, showed improved gene expression and cell interactions relevant to hair follicle development.

This study observed that certain herbal extracts may promote hair growth and inhibit hair loss in cell lines by affecting specific protein expressions similarly to minoxidil.

This study found that using elastic nano-liposomes to deliver palmitoylethanolamide improved its transdermal delivery and enhanced its skincare effects, with minimal cytotoxicity and no allergic reactions observed.

This study found that DHT induces apoptosis in human keratinocyte cells via ERK activation, independently of androgen receptors and the Wnt/β-catenin pathway.

This study found that proretinal nanoparticles, applied topically, are safe and effective for penetration into hair follicles, enhancing retinoid biological activity in the skin while reducing irritation compared to conventional retinal formulations.