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This review discusses the use of ethinylestradiol combined with antiandrogenic progestin for treating androgenisation symptoms and improving metabolic and menstrual health in women, but it does not provide new clinical data.

This study found that adding certain conditioning agents, including jojoba oil and lauryl PEG/PPG‐18/18 methicone, to ammonium thioglycolate straightening emulsions protected Afro-ethnic hair from protein loss and improved resistance to breakage.

This review discusses ethosomes as potential carriers for delivering drugs into deeper skin layers and provides no new clinical results, suggesting a need for further studies on their efficiency in dermal therapies.

This study found that N‐AOHPA was particularly effective as a silicone emulsifier for improving the condition of damaged hair by preventing amino acid dissolution from bleached hair.

This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.

This study found that glycerol most significantly influenced the spreadability and initial viscosity of a saw palmetto anti-hair loss cream, while PEG 400 predominantly affected viscosity changes over time.

This study found that 2-ethylhexanoic acid impaired fertility in Wistar rats and delayed postnatal development of pups, suggesting potential reproductive toxicity at certain dosages.

This study discusses ethosomes, which are lipid-based vesicular carriers that improve drug penetration into the skin due to their high ethanol content, highlighting their benefits in drug delivery despite stability issues like phospholipid oxidation and vesicle fusion during storage.

This study found that an ethanolic extract of Ganoderma lucidum, especially at 15mg/kg, may promote hair growth in a rat model of testosterone-induced alopecia, showing effects comparable to minoxidil.

This study found that the combined ethanolic extract ethosome formulation of Phyllanthus niruri, Zingiber officianale, and Croton tiglium Linné showed better safety and less cytotoxicity for hair growth promotion compared to the petroleum ether formulations.

This study found that both new and old formulas of DCP for treating alopecia areata resulted in similar hair regrowth, but tolerance was significantly better with DCP in isopropanol.

This review discusses the adverse effects of hair care products, highlighting irritation dermatitis and allergic contact eczema due to common allergens like paraphenylenediamine and glycerol monothioglycolate, but reports no clinical results.

In this study, an Emulgel containing Tridax procumbens extract was formulated and found to have promising physical properties and antimicrobial activity for wound healing.

This study found that petroleum ether extract of Glycyrrhiza glabra prevented alopecia in testosterone-treated male rats, demonstrating effects comparable to the standard treatment finasteride.

This chapter reviews ethosomes for targeted drug delivery to the scalp in androgenetic alopecia and reports no clinical results; the authors emphasize reducing systemic side effects.

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.

Estetrol (E4) can help hair grow longer by extending its growth phase.

This article reviews the potential neuroprotective effects of 17α‐estradiol in neurodegenerative diseases and highlights its possibly lower toxicity compared to more feminizing hormones, but it reports no new clinical findings.

This study found that using an aqueous solution of AMPD in hair bleach reduced both hair damage and odor compared to ammonium hydroxide.

This review describes how liver and kidney diseases and diabetes may affect ethyl glucuronide levels in hair, impacting forensic and clinical interpretations, but reports no new experimental results.

This study found that minoxidil exhibits preferential solvation by water in both water-rich and ethanol-rich solvent mixtures.

This study found that the evodiamine derivative 2-16 exhibited the highest antitumor activity and a broad spectrum of activity against various human cancer cell lines, with improved solubility.

This study found that ethanol-induced deficits in motor coordination in rats are not mediated by elevated neuroactive steroid biosynthesis.

This study found that dimethicone with high molecular weight improved hair surface characteristics, while dimethicone copolyol and amodimethicone enhanced manageability by reducing friction or aiding styling on damaged hair.

This study found that in a rat model, 14,15-EET may alleviate central poststroke pain by enhancing thalamic inhibition through neurosteroid signaling, potentially outperforming gabapentin in early-stage treatment.

This study demonstrates that a newly developed bio-based, dual-phasic hair serum offers a sustainable and effective alternative to traditional silicone-based serums, enhancing hair cuticle integrity and consumer appeal while supporting environmentally friendly formulation design.

This study found that Ecklonia cava polyphenols increased human dermal papilla cell proliferation and extended hair shaft length in vitro and ex vivo, suggesting potential as a therapeutic candidate for hair loss.

This study found that a combined oral contraceptive containing ethinyl estradiol and desogestrel appeared effective in temporarily treating ovarian hyperandrogenism in adolescents, with reductions in hormone levels and ovarian volume observed.

This study found that anionic HSES achieved high complexation efficiencies with various steroids, significantly enhancing their solubility, while specific β-cyclodextrin thioethers showed selective binding to testosterone and estradiol.