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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.

This study found that among the tested analogs, compound 4e was the most effective in inhibiting wax esters in vivo in the Golden Syrian hamster ear model.

Blocking a compound called prostaglandin D₂ might help treat hair loss.

This review discusses hormone-related hair disorders and explores potential therapies, including microparticle-based drug delivery systems, without providing new clinical findings.

This study found that a specific amino-pyridine compound showed potent androgen receptor antagonist activity, stimulating hair growth in mice and reducing sebum production in a hamster model.

In this study, using a novel topical androgen receptor suppressor, fluridil, significantly increased the percentage of growing hairs in males with androgenetic alopecia without systemic absorption or adverse side effects.

This research outlines how retinoids, compounds based on vitamin A, activate nuclear receptors to influence cellular processes such as differentiation and carcinogenesis, with benefits like anti-inflammatory properties but requiring careful management of dose-dependent side effects.

This study suggests that topically applied fusidic acid may penetrate only the most superficial layers of canine skin but can reach sufficient concentrations to potentially treat infections caused by pathogenic staphylococci.

This study identified several compounds from traditional Chinese medicines that may inhibit prostaglandin D2 synthase, potentially providing promising candidates for treating androgenic alopecia with minimal adverse skin reactions.

This study found that when applied for 24 hours, a polyherbal formulation made from Ficus religiosa and Abrus precatorious promoted more significant hair growth in Male Wistar rats than Minoxidil and the control group, and the extracts also exhibited notable antibacterial activities.

This review provides an analysis of topical treatments with clinically proven efficacy for managing hyperpigmentation and concludes that the most effective approach is using combined therapies that target multiple aspects of skin pigmentation physiology.

This study found that various petroleum distillates caused significant skin changes in mice, with severity varying based on the product and penetration pathway, potentially leading to skin tumors through non-genotoxic mechanisms in longer-term exposure.

This study suggests that novel lipid nanoparticle formulations may be suitable for delivering anti-alopecia compounds like minoxidil and finasteride, although their skin penetration was limited.

This study observed that a tacrolimus solution (0.1%) applied to the scalp was effective and well-tolerated for treating inflammatory scalp conditions, with 72.7% of patients showing an excellent response after 2 months of treatment, which persisted after 6 months.

In this study, transcutaneously applied nanoparticles and viral vectors were shown to penetrate murine hair follicles, internalize in antigen-presenting cells, and induce immune responses, suggesting a promising approach for vaccine delivery.

This study on UVB-exposed mice found that topical application of 10% Rosmarinus officinalis essential oil significantly increased hair length and follicle diameter, attributed potentially to its antioxidant compounds.

Using too much minoxidil foam can cause a rare movement disorder with facial twitching, but symptoms go away when the correct dose is used.

This study found that IMT-P8, a novel cell-penetrating peptide, effectively facilitated the dermal delivery of proteins and peptides in mouse skin and cell lines, suggesting potential for topical applications in cosmetics and skin diseases.

This study found that a thyroid hormone receptor ẞ subtype-selective thyromimetic was effective in promoting hair growth in mouse and monkey models when applied topically.

This study found that the cyanoacrylate biopsy method could effectively evaluate drug distribution in hair follicles, suggesting its potential utility for assessing topically applied chemicals targeting hair follicles.

This study evaluated the safety and efficacy of Bio-Pulsed avian mesenchymal stem cell-derived small extracellular vesicles when applied topically, finding significant improvements in hair growth, skin rejuvenation, and regenerative microRNA presence among 60 human participants without adverse events.

A woman experienced excessive hair growth after using a hair loss treatment with minoxidil.

This study found that Polygonum multiflorum extract may promote hair growth by inducing the anagen phase in the resting hair follicles of mice.

This review summarizes preclinical and clinical information on herbal products for hair loss treatment, highlighting their mechanisms, follicular penetration, and potential side effects, suggesting they may offer alternatives to synthetic drugs with fewer side effects.

In this study, topical methyl vanillate application increased hair count and hair mass index in women with androgenetic alopecia by enhancing WNT10B expression, suggesting a potential new treatment strategy.

This review examines the role of cannabinoid compounds in treating various skin conditions and suggests their potential as systemic and topical therapies, but it reports no new experimental results.

In this in vitro study, niacinamide was found not to stimulate VEGF synthesis across a wide range of doses.

In this study, TASP0382088 showed potent selective inhibition of the ALK5 receptor, significantly reducing Smad2 phosphorylation in mouse skin following topical application.

This review discusses the role of skin enzymes in drug metabolism and emphasizes the need for models assessing enzyme activity to evaluate the safety and bioequivalence of topical generic drugs, highlighting efforts to standardize testing protocols for transdermal products.

This study found that topical adenosine significantly increased the ratio of thick hairs and contributed to global improvement in Japanese men with androgenetic alopecia compared to niacinamide, with no observed adverse events.