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This study found that the superior growth and higher zinc uptake of wild-type barley compared to its root-hairless mutant in zinc-deficient soil is mainly due to greater root surface area from root hairs.

In this study, adults with mild-to-moderate hair damage taking GPVGPS Collagen® daily for 24 weeks showed significant improvements in hair luster, strength, thickness, and density compared to placebo, with no safety concerns reported.

In a laboratory study, researchers found that a novel Bioactive Crosslink Repair Complex improved both the protection and repair of chemically damaged hair, enhancing tensile strength, shine, and cuticle alignment when added to bleaching mixtures and leave-in conditioners.

In this in vitro study, red ginseng extract and its main ginsenoside, G-Rb1, were found to protect human hair follicular keratinocytes from oxidative damage, preventing apoptosis, promoting hair growth, and modulating hair cycle transitions by influencing specific cellular signaling pathways.

This study found that using 369LAB Lipid Bond, derived from plant oil triglycerides, can restore lipid content in damaged hair to natural levels and improve hair strength, integrity, and resilience after a single application, with benefits persisting even after discontinuation.

The researchers reported that human hair keratin films exhibit color changes and reduced protein solubility after thermal treatments, suggesting their potential use in evaluating hair thermal damage instead of actual hair samples.

This study found that keratin essence effectively protected hair structure against dye-induced damage, potentially improving coloring efficiency in damaged hair observed from a single individual.

This study found that tenuazonic acid from Alternaria alternata can cause significant damage to vital organs in mice at low doses and highlights the need for regulatory measures to manage its risk in agricultural products.

In this study, researchers reported that the application of refolded human K31 keratin protein significantly improved diameter, mechanical strength, and smoothness of chemically damaged hair after a single treatment.

This series of eight North American patients with erosive pustular dermatosis of the scalp suggests that factors like immunosenescence and ultraviolet damage may contribute to the condition's development.

This study found that pretreatment with KP-Cryst fusion proteins effectively protected Asian and Caucasian virgin hair from thermal damage by maintaining higher water content and preventing structural changes during heat application.

This review discusses the complex correlation between cellular senescence and PCOS, emphasizing senescence markers, mechanisms, and potential anti-senescence therapies, but reports no new clinical results.

In this study, Quercetin-loaded black seed oil nanoemulsion effectively mitigated testosterone-induced testicular oxidative stress and inflammation in rats undergoing exercise and restraint stress, with improved antioxidant levels and reduced inflammatory markers compared to other treatment groups.

This study developed an automated image analysis framework for diagnosing hair disorders using trichoscopic images, reporting a Random Forest classifier as having an 86.67% accuracy in distinguishing between different scalp pathologies based on quantitative image features.

Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.

This study found that using a microfiber towel to dry human hair better preserves hair keratin integrity and wear resistance compared to blow-drying or using a cotton towel, as indicated by stronger alpha-helix structure in FTIR analysis.

In this study, researchers found that melanoma risk factors and characteristics vary with age, noting distinct differences in younger, middle-aged, and older patients, with strong correlations in the oldest group.

This study suggests that FGF18 may enhance radioresistance in telogen hair follicles by inducing cell cycle arrest, potentially serving as a radioprotector against radiation-induced hair follicle damage.

Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.

This study found that organ-cultured human scalp hair follicles can mimic chemotherapy-induced damage in vivo and serve as a model to explore molecular targets and protective agents for hair follicle preservation.

This review examines the chemical composition and potential health risks of hair straighteners, but it reports no new findings and emphasizes the importance of understanding hair fibre structure for safe use.

This study reviews the biology and cosmetic treatment of hair, emphasizing future advancements in safer, more effective procedures to meet consumer needs for hair care.

This review discusses the impact of melatonin and its metabolites on skin aging, summarizing how they may serve as "aging neutralizers" through their anti-oxidative and anti-inflammatory properties, but reports no new clinical results.

This study found that water-filtered infrared A radiation can induce the release of a model drug from gold nanoparticle-doped particles in hair follicles in an ex vivo porcine skin model, suggesting feasibility for follicular drug delivery systems.

This study found that chemical treatments like perming, dyeing, and bleaching significantly alter amino acids and lipids in human hair, which may impact hair strength and quality.

This study highlights multiple factors contributing to hair graying, such as oxidative damage, melanocyte changes, and genetic influences, and suggests that repigmentation may be temporarily reversible, offering potential targets for future treatments while urging caution when applying mouse model findings to humans.

This study established a rat model of radiation-induced dermatitis using 90 Gy irradiation, which may aid in exploring new treatments and understanding the pathology, particularly highlighting autophagy regulation as a potential therapeutic target.

This study found that sulfur mustard affects hair follicles and sebaceous glands in the skin by causing cellular damage, inflammation, and disrupting wound healing processes in hairless mice.

This study observed that individuals with mixed ethnicity had hair that varied widely in shape and showed significant surface damage near the root, differing from monoracial hair characteristics.

This study reports that A132, a hair dye ingredient, induces phototoxicity and photogenotoxicity via mitochondrial apoptosis when exposed to sunlight, suggesting potential risks of oxidative stress and hair damage.