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This study found that high concentrations of dimethyl sulfoxide are needed to cause significant swelling in hair fibers, though the swelling is reversible, unlike the effects on skin.

This study found that biodegradable PLA particles released fluorochromes in a time-dependent manner on human skin, with BP-PLA particles releasing rapidly and DiAsp-PLA particles providing sustained release and accumulation in hair follicles.

In a study on wound healing, researchers described injectable POEGMA‐DA hydrogels as a promising non-toxic alternative to traditional wound closure methods, showing effective tissue adhesion and enhanced regeneration of skin structures in a mouse model without significant inflammation.

This study explored how silicones influence the interaction between hair fibers and their impact on hair volume under high humidity conditions.

This study found that applying a cosmetic active ingredient improved the Young's modulus of chemically damaged human hair fibers, suggesting enhanced mechanical properties compared to untreated fibers.

Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.

This study found that treating hair with 1 M sodium hydroxide increases its self-friction coefficient, suggesting potential applications in forming fine frictional fibers for medical uses.

This study used molecular dynamics simulations to model the outer surface of human hair, illustrating complex behavior and potential adsorption interactions with fatty acids, which may inform cosmetic formulation development.

This paper reviews the surface degradation of hair and describes how combining 18-MEA with specific surfactants can maintain hydrophobicity on bleached and weathered hair surfaces.

This study found that compounded minoxidil solutions in a propylene glycol-free and alcohol-reduced foam remained stable for 180 days, meeting United States Pharmacopeia standards for strength, pH, and antimicrobial effectiveness.

This study found that bio-based waterborne polyurethanes derived from castor oil may offer effective hair-styling performance without skin irritation and appear to be safer for the environment compared to traditional hair sprays.

This study found that a newly developed supramolecular FPC hydrogel effectively promotes wound healing through its anti-inflammatory and angiogenic properties, making it a promising material for wilderness first aid due to its storage convenience, sprayability, and ability to speed up wound recovery.

In this study, a copolymer made from Tung oil and Tung free fatty acids demonstrated improved mechanical and thermal properties for hair repair, with enhanced resistance and flexibility observed in treated bleached hair, suggesting its potential as a sustainable biopolymer for cosmetic applications.

This study found that moisture sorption properties of wool and hair fibers from various animals were similar, despite different structural features, with sorbed water being more ordered than liquid water.

Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

This study introduces a new device for measuring changes in hair stiffness and lubricity, which can help predict the effects of various hair treatments.

This study found that polymeric nanoparticles retained more minoxidil and facilitated superior drug permeation compared to lipid nanoparticles, although premature drug release affected formulation performance.

This study evaluated a levan-based polysaccharide, POLEVAN®, in shampoo formulations and reported that it significantly increased hair glossiness by 24%, allowed a reduction of surfactant content by up to 50% without affecting foam, and maintained scalp moisturization similar to hyaluronic acid in a clinical setting.

Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.

This study reports that a carbopol gel formulation with melatonin shows potential for extended drug release and biocompatibility in dermal applications due to its favorable bio-pharmaceutical properties.

This study found that lipid extraction increased water diffusion in wool and hair fibers; the effect was more pronounced in hair, indicating lipids are crucial for water permeability.

This study identified an optimal sulfate-free and silicone-free conditioning shampoo formulation using 1% hyaluronic acid at 800 kDa, 10% acidic sophorolipid, and 1% sodium chloride, which maintains essential conditioning and cleansing properties without compromising on performance.

Hair removal methods damage the skin barrier and affect substance penetration.

In this study, researchers found that a propylene glycol-free and alcohol-reduced topical foam containing minoxidil and finasteride remained chemically, physically, and microbially stable for 180 days when stored properly at room temperature in light-resistant containers.

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.

In this study, clobetasol propionate foam demonstrated effectiveness and good patient compliance as a safe topical treatment for moderate to severe alopecia areata, with significant hair regrowth compared to placebo.

This study found that Polyquaternium-87 significantly reduced friction forces on hair surfaces treated with various shampoo formulations, highlighting its potential for improving hair care products.

This study found that a minoxidil foamable emu oil emulsion significantly promoted hair growth in animals compared to a marketed 5% minoxidil solution, showing increased hair follicles in the anagenic phase.

In this study, ultradeformable liposomes containing Tween 20 or terpenes increased phospholipid bilayer fluidity and enhanced skin penetration of sodium fluorescein, with terpenes improving hair follicle penetration.

This study found that incorporating a block copolymer significantly alters the size and morphology of niosome drug delivery systems made of non-ionic surfactants and cholesterol, affecting their stability.