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This review discusses various types of hair dyes, their mechanisms of action, molecular structures, application methods, and formulation aspects, but reports no new research findings.

This study found that cationic lipid-based formulations enhanced the delivery of large molecules into hair follicles in human scalp skin, with potential to reach pharmacologically active concentrations in the hair bulb.

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

In this study, hair damaged by permanent dye showed signs of recovery over time, with near complete restoration to its original state after eight weeks.

This study found that antisense oligonucleotides can significantly reduce androgen receptor expression in cultured human sebocytes and may offer new therapeutic possibilities for androgen-associated skin diseases.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

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 only minoxidil encapsulated in cationic vesicles significantly promoted hair growth in mice, likely due to its higher retention on the skin.

This article reviewed the preparation, application, and characterization of ethosomes as drug delivery transporters and reported that in a double-blind randomized clinical study, ethosomal acyclovir significantly improved all evaluated parameters in skin delivery, highlighting potential for novel therapies.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

This study found that finasteride-containing anionic liposomes enhanced skin retention and had moderate hair growth efficacy, suggesting potential for treating androgenetic alopecia with reduced systemic side effects.

The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.

This animal study found that intravenous administration of anionic squarticles, a lipid nanoemulsion, increased survival rates in rats with amitriptyline overdose by mitigating adverse effects and restoring normal blood pressure, highlighting its potential as a detoxifying antidote.

This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.

A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.

In this in-vitro study, researchers found that shampoo-induced coacervates structurally resemble cationic polymers and contain anionic surfactants that may stimulate the scalp upon exposure to water.

This study discusses the effects of incorporating various amino acids in hair care products, noting improvements in hair surface properties and color retention when integrated with conditioners.

This study found that hinokitiol in cationic vesicles promoted hair growth in mice, potentially due to its high substantivity on the skin.

This study found that chitin nanofibrils prepared by the aqueous counter collision process exhibited superior emulsifying properties for stabilizing oil droplets in Pickering emulsions compared to cellulose nanofibrils.

This study found that using cationic and non-ionic polymers during alkaline hair relaxer treatments may help strengthen hair and control swelling, potentially reducing damage.

This study found that the "Hair Medulla Care" treatment allows various substances to penetrate hair more effectively, suggesting potential applications for enhancing hair coloring, care, and perming processes.

Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

This study concluded that Polyquaternium-10 conditioner softens the surface of the scale face on hair fibers.

In this study, the combination of biologically engineered hyaluronic acid and polyquaternium-10 improved hyaluronic acid's retention and moisturizing effects on hair by forming a stable complex that increased binding affinity to keratin.

This study developed a closed-loop system for emergency wound care that monitors infection in real-time using biomarkers and delivers amikacin-loaded liposomes for treatment, integrating a conductive hydrogel for environmental protection and antibacterial benefits.

This review examines ethosomal structures and their mechanisms as skin delivery systems, outlining preparation methods and applications but presents no new experimental findings.

This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.

Twisting hair weakens it, but strength can be recovered at low twist levels.

Polyquaternium-64 helps damaged hair look healthy again.

This review suggests that multifunctional cosmetic systems, particularly HIVEN Curl Code ®, may help control frizz and maintain curl definition in highly curly hair by utilizing various conditioning and biofunctional ingredients.