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This study found that adding inositol or biotin to a pig's diet without sulfathalidine had no effect on growth or feed efficiency, but both helped alleviate deficiency symptoms caused by sulfathalidine.

In this study, kamishoyosangoshimotsuto extract improved skin moisture, texture, and brightness, as well as hair thickness and strength in women with skin and scalp hair problems over 24 weeks.

This study observed that dermal papilla cell aggregates showed increased viability and gene expression on softer 3D substrates, indicating the importance of substrate stiffness in cellular behavior.

This study found that variations in mouse skin thickness, influenced by gender and hair growth cycles, significantly affect optical scattering measurements, which are important for developing biomedical optics techniques.

This study used quantitative methods to identify new geometric and mechanical parameters of curly and kinky/coily hair, aiming to improve classification and develop better personal care products for these hair types.

This study identified new geometric and mechanical parameters for curly and kinky/coily hair, which may inform more effective personal care products tailored to these hair types.

Hair feels different when touched and rubs together in various ways.

This study introduces the PRECISE scale, a quantitative tool to classify androgenetic alopecia, aiming to improve planning and outcomes for hair transplantation surgeries by evaluating the whole hairless and thinning areas.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

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

In this study, researchers used atomic force microscopy to evaluate mechanical stiffness across different skin layers in six participants, finding the highest stiffness in the epidermis and lower stiffness as layers progress to subcutaneous tissue, enhancing understanding of skin's physical properties and aiding future research.

This study introduces a non-invasive photoacoustic imaging technique that accurately measures hair follicle density and subdermal angles, showing strong correlation with the gold-standard photographic method.

This study found that participant self-assessments suggested greater improvement in the texture and wrinkles of facial skin treated with PRP compared to normal saline, though dermatologist ratings showed no significant difference.

In this study, lipid peroxides were found to induce apoptosis in hair follicle cells and advance the catagen phase in mice, suggesting a potential mechanism for alopecia development.

This review reports that natural compounds show promise in slowing skin photoaging by targeting cellular pathways in keratinocytes and fibroblasts. However, comprehensive clinical studies are needed to verify their efficacy and safety.

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

This study found that among patients with twenty-nail dystrophy, those treated with oral cyclosporine in combination with a dietary supplement showed significantly better improvement in nail condition and quality of life than those treated with the supplement alone.

This study investigated demographic and clinical characteristics of twenty-nail dystrophy in Korea, identifying differences in subtype and gender predominance between children and adults.

This report describes a 6-year-old girl with Turner syndrome and coexisting psoriasis, alopecia areata, and trachyonychia, suggesting a potential link between these conditions.

This chapter provides an overview of the complex chemical and physical structure of the hair surface, detailing how factors like ethnicity, environmental stress, and cosmetic treatments can alter its properties and influence the adhesion of hair care products.

Skin aging reflects overall body aging and can indicate internal health conditions.

This study discusses two cases of acneiform skin eruptions associated with the use of the EGFR inhibitor ZD1839 in prostate cancer treatment, emphasizing the need for dermatologists to be aware of potential skin reactions.

This review found that while treating keratosis pilaris is challenging, current therapies can lead to significant improvement, particularly when tailored to the individual's specific disease phenotype and concerns.

This review explores how various skin cell types contribute to photoaging driven by UV radiation, detailing their interactions and molecular mechanisms like oxidative stress and ECM degradation, ultimately offering insights for future anti-photoaging strategies.

This article discusses topical keratolytic therapy for keratosis pilaris, highlighting potential benefits while noting limitations in the current evidence base, and reports no clinical results.

This article reviews Ayurvedic concepts and treatments related to hair and reports no new clinical results.

This study reports an 8-year-old boy with trachyonychia, lichen planus, and alopecia areata who showed significant improvement in hair growth, nail condition, and skin lesions after 6 months of biweekly pulse systemic corticosteroid therapy.

This study compared the effects of three compounds on structural and sensory benefits for bleached hair when applied with or after bleaching, observing that their application may mitigate bleaching-induced damage.

This study found that polycystic ovary syndrome is the most common cause of hirsutism in premenopausal Algerian women, with recommendations for thorough endocrinologic evaluations.

This study found that polycystic ovary syndrome was the most common cause of hirsutism among premenopausal women in Algeria.