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This study found that hair dyed with anionic basic hair dye lost more color after shampooing compared to cationic and nonionic dyes, with alkaline shampoo increasing this effect.

This review discusses scalp micropigmentation for hair loss and scarring and reports no clinical results; the authors highlight its use as both a standalone and adjunct treatment.

This study observed that skin dryness does not seem to indicate impaired epidermal barrier function, as there was no negative correlation between stratum corneum water content and transepidermal water loss.

This study used advanced optical imaging techniques to investigate nanoparticle and dye penetration in human skin, finding that nanoparticles mainly resided in the stratum corneum and accumulated in skin folds and hair follicles, while highlighting that sunscreen-based nanoparticles appear unlikely to pose safety concerns.

This study found that rubbing the skin increased caffeine permeation significantly, while rhododendrol showed no enhancement from rubbing, likely due to different distribution patterns in the skin layers.

In this laboratory study, eucalyptus oil, menthol, and urea were found to enhance the skin permeability of minoxidil in rat skin by increasing flux and diffusion coefficients compared to untreated skin.

This report describes a case where a woman developed permanent alopecia after chemotherapy with taxanes for breast cancer, and she showed favorable response to 6 months of minoxidil topical treatment.

Using silicon circular iron on Korean women's hair increases hair thickness the most.

Laser treatment can improve the delivery of hair loss drugs into the skin and hair follicles.

This study found that Carthamus tinctorius extract significantly increased the length of cultured hair follicles and may be a promising topical agent for hair growth promotion with high skin permeation.

This study concluded that QSPR models effectively predict drug skin penetration, with the Potts-Guy model showing the highest predictive accuracy for the drugs tested.

This study found that clove oil and LPGSE pretreatment increased finasteride skin permeability, while extending urea pretreatment reduced its penetration.

This review discusses various nanoparticles used to enhance skin permeation and target delivery to skin organelles, but reports no new experimental results.

Ethosomes improve finasteride delivery through skin for hair loss treatment.

This study found that PLGA nanospheres improved scalp-pore permeability and enhanced hair growth activities in mice, suggesting their potential as drug delivery carriers for hair growth ingredients.

This review discusses the historical, legal, and clinical aspects of electrolysis and thermolysis, highlighting potential risks due to the lack of standardized training for electrologists in the United States, but reports no new clinical results.

This study found that surface-modified liquid crystalline nanoparticles significantly enhanced skin permeation of finasteride and dutasteride compared to unmodified nanoparticles, suggesting potential for improved treatment efficacy in androgenetic alopecia.

This study found that formulation factors like pH, viscosity, and chemical enhancers can significantly influence intrafollicular hydrocortisone permeation in vitro, with higher pH and enhancers reducing follicular contribution.

This study found that among Korean males with male pattern baldness, hair loss mostly progresses within 6 cm from the parietal whorl towards the occipital side.

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 found that finasteride- and minoxidil-loaded nanoparticles in a gel improved skin permeability and drug retention, suggesting a promising approach for topical alopecia treatment with reduced dosing frequency and side effects.

This study found that mixtures used in permanent hair dyes had irritant effects on reconstructed human epidermis, while individual ingredients alone did not.

This study found that root hairs in maize, wheat, and finger millet continued to grow beyond the typical root hair zone when grown with the Turface® fertigation system, highlighting potential for understanding root hair dynamics and crop improvement.

In this study, an ammonia-free and PPD-free permanent hair dye was tested on 50 ethnically diverse females, showing no cases of contact dermatitis and significant improvements in hair shine, color, moisturization, porosity, and combability after two dyeing sessions.

This study found that cubosomes combined with dissolving microneedles enhanced transdermal penetration and hair growth efficacy of beta-sitosterol for treating alopecia.

This study found that vesicles formed with behenyltrimethylammonium chloride, stearic acid, and hinokitiol significantly improved skin permeation of hinokitiol in vitro, which may aid in hair growth promotion.

This study found that a melatonin-loaded microemulsion exhibited controlled release and significant stratum corneum deposition in ex vivo permeation tests, suggesting its potential for further evaluation in treating androgenic alopecia.

This study suggests that the dipeptide Pro-Ile has FGF18-like activity, can penetrate model human epidermis, and may have potential as a cosmetic ingredient for skin and hair regulation.

This study concluded that the follicular route is a significant pathway for delivering gentamicin through the skin, as demonstrated by higher drug permeation in non-plugged pig's ear skin compared to plugged skin.

In this study, ethosomes were found to significantly enhance the transdermal penetration and skin accumulation of finasteride compared to liposomes and other control solutions.