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This article reviews methods for dissolving hair proteins and describes how solvents and molecules with hydrophobic groups interact with hair; it presents no new research findings.

This study measured the solubility of minoxidil in various solvents, finding the highest solubility in methanol and lowest in water, with solubility correlating to temperature.

This study found that using 70% ethanol as a solvent for extracting unsoaked Leucaena leucocephala seeds produces a high extract yield while managing mimosine levels, indicating potential for nutraceutical use.

This study developed a model using homogenization-based framework to quantify solvent and solute flow across Janus membranes, aiming to better understand interface phenomena like osmosis and phoresis by examining micro- and macro-scale behaviors.

In this study, researchers investigated the formation of spherical crystals of minoxidil in various alcoholic solvents, discovering new types like spherulite aggregates and a unique butterfly-shaped crystal, with the spherulite aggregates showing improved powder flow properties compared to other forms.

Minoxidil can cause skin allergy; use alternative solvents or treatments if allergic.

In this study, researchers found that the conventional solvent extraction method yielded the highest polyphenol content and antioxidant activity from Ascophyllum nodosum seaweed on Québec's North Shore.

This study found that 1-butyl-3-methylimidazolium tetrafluoroborate is the optimal ionic liquid solvent for extracting quercetin from Nothopanax scutellarium leaves.

This study developed a catalytic system using indenyl-molybdenum(II)-bipyridine complexes and ionic liquid solvents to achieve a 95% yield of campholenic aldehyde from α-pinene oxide under mild conditions.

This study found that hair contains tightly bound lipids such as cholesterol sulfate, cholesterol, fatty alcohols, and free fatty acids, which are resistant to solvent extraction.

This study reports that human epidermal transglutaminase activity increases with treatment using organic solvents and chemicals without significant molecular weight changes, which may allow modulation of the enzyme in skin diseases.

This study proposed a method to determine residual levels of dichloromethane and chloroform in finasteride using SPME-GC, reporting high linear correlation coefficients for both solvents.

This study found that rhodamine B penetrated human hair fibers more effectively from an aqueous solution compared to a methanol/ethanol solvent, with penetration depending on hair morphology.

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

This study found that a phytosome lotion made from Mangkokan leaf extract, using a green solvent and microwave-assisted extraction, demonstrated greater hair growth activity than 2% minoxidil, with the 30% phytosome lotion showing the highest efficacy in increasing hair length, weight, and diameter.

This study reports a new method for selectively synthesizing finasteride Form-I in good yield using water as an ecofriendly solvent at room temperature.

This study in mice found that using modified illite as a carrier for topical minoxidil enabled effective delivery without the solvent toxicity typically associated with minoxidil, while the illite also promoted hair growth through anti-inflammatory and pro-proliferative mechanisms.

This study synthesized indole-acenaphthylene compounds using a magnetic nanocatalyst and explored their photoluminescence properties for detecting copper ions in a mixed solvent system, achieving a detection limit of 9.5 ∙ 10 –6 M.

This study demonstrated that human hair shafts can be anatomically separated to obtain intact micron and nano keratin filaments using solvents like performic acid and urea.

This study found that ethyl acetate extract from mangosteen pericarp exhibited the strongest antibacterial effect against Propionibacterium acnes compared to other extraction solvents.

This study found that using 2-hydroxypropyl-ß-cyclodextrin (HP-ß-CD) to encapsulate minoxidil can create a stable aqueous solution, potentially replacing the need for organic solvents in topical treatments for androgenic alopecia.

In this study, luteolin-loaded nanoemulsions were shown to promote hair growth similarly to a luteolin solution in organic solvents, offering enhanced stability for follicular delivery.

In this study, adding TPGS to a minoxidil formulation improved local retention and reduced systemic absorption in certain solvent mixes, particularly with a balance of alcohol and PEG 400.

In this study, seven patients with generalized toxic erythema developed sterile pustules localized to hair follicles or sweat ducts, with most having a history of medication, solvent exposure, or infection.

This study found that an optimized microemulsion for minoxidil with high solubility, permeation flux, and skin deposition can be achieved with specific low and high levels of certain surfactants and co-solvents.

This study found that a natural illite-based carrier could deliver minoxidil topically with preserved efficacy, minimizing solvent toxicity, and showed hair-growth-promoting activity via anti-inflammatory and pro-proliferative mechanisms in mice.

This review examines recent advancements in green and emerging microextraction techniques, such as SPME and DLLME, for more sustainable hormone detection in biological samples, emphasizing environmentally friendly solvents and bioanalytical applications.

In this study, researchers optimized the extraction conditions for polyphenols from the medicinal herb Eclipta prostrata, achieving the highest polyphenol content under specific conditions of temperature, solvent concentration, and time, and found the extract to have significant antioxidant activity.

This study demonstrated that imidazole-based ionic liquids, particularly [Emim]DEP, effectively dissolved yak hair keratin, maintaining its structure better than other tested solvents, and also performed well on human hair and goat wool, with consistent performance even after five recycling cycles.

This study identified two potent 5α-reductase inhibitors from Tectona grandis leaves, and suggests that ethanol is a preferable solvent for extracting these compounds, which are potential ingredients for hair loss treatments.