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This study found that treating damaged hair with maleic-modified amino silicone oil created a highly hydrophobic surface, reducing water content and improving hair's mechanical properties and thermal stability.

This study found that compound 2 from Polygonum multiflorum significantly increased dermal papilla cell proliferation and hair-fiber length, suggesting potential as a therapeutic agent for alopecia.

Keratin-based hydrogels from human hair and wool are promising for wound dressings and are more eco-friendly.

This study demonstrates that an injectable gelatin-based hydrogel incorporating zirconium and quercetin promotes diabetic wound healing in vivo by enhancing angiogenesis, collagen deposition, and hair follicle regeneration while providing antibacterial and oxidative stress protection without detectable cytotoxicity.

The optimized Cinchonine gel effectively fights acne bacteria and is safe for twice-daily use.

Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.

This study aimed to develop a new transdermal patch for treating androgenetic alopecia using finasteride, combined with chemical permeation enhancers to improve drug delivery through the skin, but results of pharmacokinetics and pharmacodynamics evaluations are not reported.

FOL-005 peptide may help treat excessive hair growth safely.

This study found that polymers significantly improved the chemical and microbial stability of steroid hormones in liposome formulations over eight weeks, with finasteride showing the highest diffusion rate.

This study found that keratin derivatives with functionalized thiol groups improved binding to both natural and bleached hair fibers, suggesting a promising strategy for enhancing keratin's durability in hair repair.

This study found that the 11R-No. 10 peptide, delivered transdermally, significantly inhibited melanogenesis and produced a whitening effect in a UV-induced sun-tanning guinea pig model without cytotoxicity.

This study found that a unique transglutaminase in guinea pig hair-follicles, distinct from liver transglutaminase, likely plays a role in forming protein cross-links via ε(γ-glutamyl)lysine bonds.

This study found that applying a surfactant solution with 2.5% selenium disulfide to the back of guinea pigs significantly increased telogen hair, which may relate to observations of diffuse hair loss in humans under intense exposure conditions.

In this study, a dual soft drug design strategy improved the AR antagonist candidate 39, showing potent AR antagonism and good safety in a mouse hair-growth model, with similar efficacy to pyrilutamide but faster response.

This study suggests that phloroglucinol may enhance anagen signaling and reduce oxidative stress-induced damage in human dermal papilla cells, offering a potential therapy for hair loss.

In this study, researchers optimized the soft drug AR antagonist 14-P1 to create candidate 39, which demonstrated effective AR antagonism and safety in a hair-growth mouse model, showing similar efficacy to pyrilutamide but with quicker onset and a lower risk of systemic toxicity.

In a mouse hair-growth model, this study found that the optimized compound 39 matched the efficacy of pyrilutamide for androgenic alopecia, with faster response and maintained safety, suggesting it as a promising topical AR antagonist with reduced systemic toxicity risk.

This study developed a multipurpose herbal gel formulation that enhances hair manageability, provides antimicrobial benefits, and supports skin care. The gel is non-irritating, leaves hair soft, and imparts a glow to the skin while being cost-effective.

In this randomized, placebo-controlled study, the tested cosmetic ingredient containing Trifolium pratense flower extract and a biomimetic peptide increased anagen hair and improved the anagen/telogen ratio over four months in individuals with recessing hair.

This study found that Polygoni Multiflori Radix (PMR) reduced collagenase and elastase activity after UVB damage in fibroblasts, suggesting potential anti-aging properties for cosmetic use.

This study examined the effects of six surfactants on hair and scalp, finding varying irritation levels and impacts on protein denaturation and scalp turnover time, with AMT suggested as a good detergent.

Hair fibers may have a unique, non-protein sheath not previously identified.

This study developed a herbal shampoo using Reetha, Amla, Neem, Bringraj, Jatamanasi, and Aloe vera, reporting that the shampoo met pharmacognostical standards and showed increased hair growth activity, excellent washing and conditioning effects at 1% concentration, and stability with no skin irritation.

This review explores the use of skin penetration enhancers like Transcutol® in various formulation systems, discussing their mechanisms and effectiveness in improving transdermal drug delivery without breaching the skin.

This study evaluated a polyherbal shampoo enriched with pomegranate peel extract, reporting good cleansing ability, stable foam, scalp-friendly pH, and no irritation, suggesting it could be a safe, effective alternative for protecting hair from pollution-related damage.

In this study, polydioxanone threads significantly reduced hair loss and promoted hair regrowth in patients with androgenetic alopecia who did not respond to minoxidil and finasteride.

This study reported that using piroctone olamine in either a shampoo or leave-on product form significantly increased hair retention and improved scalp condition in women with perceived hair thinning.

In this study, a taurine-based ionic liquid was developed to effectively penetrate the skin barrier and deliver antioxidants to hair follicles, reducing oxidative stress and promoting hair regrowth in an androgenic alopecia animal model.

This study suggests that keratin films, which model hair damage sensitivity, remained intact after shampoo and conditioner treatments and showed potential for evaluating hair texture and adsorption.

The research observed that 40-nm self-assembled nanoparticles enhanced minoxidil penetration in hairy guinea pig skin compared to 130-nm nanoparticles, but this size effect was absent in hairless skin.