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This study found that using a high-viscosity, high-amine-content silicone fluid as a pretreatment can protect hair from bleaching and dyeing damage without affecting these processes.

PMS nanoparticles improve damaged hair by protecting and restoring its surface and color.

This review summarizes current research on natural hair dyes, reporting that plant-based formulations can safely provide viable colors on gray hair with minimal irritation compared to synthetic options but face challenges in color range and consistency.

This paper discusses the use of Digital Volumetric Imaging with fluorescent dyes to visualize and compare the interior structures of six different virgin hair types, reporting no new clinical results.

A new method helps understand hair shine and various products improve hair care.

This study reports that keratin actives may protect various hair types from chemical damage, restore damaged fibers' mechanical strength, and reduce color fading.

This study found that Platycladus orientalis flavonoids may reduce oxidative damage and slow melanin degradation in AGA-affected hair, improving its quality.

This study found that non-ionic silicone emulsion best protected hair color from UV-induced fading, outperforming honeysuckle extract and benzophenone-3, with significant effects in both dyed and virgin hair.

This review highlights that natural hair dyes from plant-derived pigments can produce viable colors on gray hair with low irritation potential, though they face challenges in shade range and consistency; some products may also be adulterated, affecting safety perceptions.

Certain ingredients can help protect hair color.

In this study, researchers created nanowhiskers from crab shell-derived nanochitin that self-assembled into vibrant structural colors within a film. The material, sensitive to environmental changes, shows potential as a food freshness indicator and a sustainable dye for cosmetics due to chitin's biocompatibility.

In this study, researchers developed cationic liposomes encapsulated with keratin to improve the recovery of UV-damaged hair, finding that these liposomes significantly improved keratin penetration and reduced protein denaturation and lipid peroxidation, resulting in smoother hair surfaces compared to keratin solution alone.

This study found that bleaching, dyeing, and UVA/Vis radiation caused significant cuticle damage and protein loss in both Caucasian and Afro-ethnic hair, highlighting the aggressive nature of these treatments.

This review discusses the use of medical tattooing in the head and neck region as a minimally invasive option for individuals seeking to improve cosmetic appearance without surgery, and reports no new clinical results.

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

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

Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.

This review provides a comprehensive overview of cosmetic surgical and non-surgical procedures tailored for different racial and ethnic skin types, but it reports no new clinical findings.

In this study, researchers found that none of the participants were color blind and reported varying lengths of index and ring fingers among them, exploring a possible link between these finger length ratios and sex-influenced gene expression.

This study explored how an educational intervention on reducing phthalate exposure through hair care product choices influenced the hair care practices of pregnant women of color, identifying key life stages and themes related to these practices, including cultural influences, product impacts, and individual autonomy.

This review discusses clinical presentations and interventions for alopecia in women of color, highlighting the importance of early recognition and treatment but providing no new clinical results.

This article reviews practical approaches for managing dermatologic conditions in patients with skin of color and reports no new clinical findings.

This study analyzed how oxidative hair dye leaches from pigmented and nonpigmented hair during wash cycles, finding that melanin influences the dye deposition and leaching processes.

This study evaluated an herbal hair dye made from plant-based ingredients, finding it stable, non-toxic, and effective in providing lasting color, improving hair texture, and reducing hair fall, making it a viable and eco-friendly alternative to chemical dyes.

This article reviews innovations in hair cosmetics, focusing on esthetic procedures and products in the Indian market, and reports no new experimental findings.

This review discusses the role of the circadian clock in skin functions such as cell proliferation and UV protection and reports no new results; the authors note its potential in studying immune regulation and seasonal behaviors.

This review provides a comprehensive guide to serum-free human hair follicle organ culture methods, highlighting research opportunities, standardization efforts, and potential applications without reporting new empirical findings.

In this study, seasonal hair loss was most pronounced in low-ranking male vervet monkeys, and changes in scrotal color and hyperpigmentation also correlated with hair loss, but underlying causes were not identified.

DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.