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In this study, genetic variants in the KRT25 and SP6 genes were found to be responsible for curly hair in horses, with the KRT25 variant also causing hypotrichosis due to an epistatic effect.

This study found that the shampoo formulation with Polyurethane-14 and AMP-acrylates copolymer improved curl definition and reduced frizz and volume in natural and curly hair tresses compared to the control.

In this study, researchers found that the lipid composition in hair significantly affects water diffusion and may explain differences in dyeing and cosmetic treatment responses between Asian and European hair, with CP2 fibers having more lipids than CP3 fibers.

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.

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.

In this study, a mechanical model was developed to describe and validate the effectiveness of overnight hair curling, suggesting that combining it with hair fixatives can maintain a desired curl for over a day.

New resin B makes artificial hair fibers hold curls longer than traditional resin A.

This study found that mice with a disrupted TGFα gene display a curly whisker-coat phenotype, similar to waved-1 mice, suggesting TGFα's crucial role in skin architecture and hair development.

This article reviews the autonomous functioning and complex interactions within hair follicles, emphasizing their unique composition and differentiation pathways, but does not report new research findings.

This study found an association between a splice site variant in the KRT71 gene and curly hair in Selkirk Rex cats, identifying a significant locus on chromosome B4.

This study proposed that the tiger tail phenomenon in trichothiodystrophy hair is caused by regular undulations of hair fibers, altering the optical properties seen under polarized light.

A new mouse mutation causes skin and hair issues, influenced by another gene.

This case study of a 50-year-old woman with myotonic dystrophy and multiple basal cell carcinomas suggests there could be a genetic predisposition for certain cutaneous tumors in such patients.

In this study, formaldehyde hair straighteners significantly damaged curly hair by reducing break stress and break extension, while glyoxylic acid had a milder effect; both treatments increased shear modulus and decreased water sorption.

This study of African-American women found that those perceiving greater hair breakage showed lower break stress and higher premature failure rates, linked to grooming practices and hair curvature.

This study found that mechanical damage from grooming and environmental factors contributes to crack formation and eventual breakage in African-American hair, highlighting the need for continuous care.

This study examined the genetic basis for the curly hair trait in Mangalitza pigs, finding two specific genetic variants that contribute to this distinctive phenotype through autosomal dominant inheritance.

This study found that the tensile strength of curly hair is influenced by two main components, with springiness (toe region) contributing significantly, unlike in noncurly hair where it is negligible.

This article discusses surgical hair restoration for individuals with curly hair, emphasizing specific considerations and techniques required, but reports no new clinical results.

In this report, two women treated with alitretinoin experienced persistent curling of their previously straight hair, suggesting a likely causal link between the medication and hair texture changes.

In this study conducted at Shafa Hospital, Kerman, Iran, 3.5% of patients using sodium valproate as an antiepileptic experienced hair loss and curling over ten years.

This case study describes a 19-year-old female patient who gained 13 kg and experienced hair changes while on valproic acid, and partially lost weight after reducing the dosage, but hair changes persisted.

This report discusses that curly hair is a very rare side effect of valproate, a medication used as a mood stabilizer for bipolar disorder, though such drug-induced hair changes are uncommon.

Valproate can cause both hair loss and curly hair in bipolar disorder patients.

This study validated a new tool for assessing curly hair manageability, finding that hair curvature is a key factor influencing hair practices and product attitudes among women with natural curly hair.

A specific gene variant is linked to heart disease, increased heart muscle, curly hair, and thick skin on palms and soles.

This study suggests that curl pattern classification could help improve patient communication and risk stratification in hair loss disorders, but its clinical utility in dermatology needs further validation.

This study found that formulations containing pequi and buriti oils improved texture properties and significantly increased gloss in curly hair, with pequi oil also significantly enhancing tensile strength.

This study found that micro-computed tomography (micro-CT) was highly effective for analyzing the cross-sectional geometry of hair fibres, including the medulla in highly curled hair, but less effective than scanning electron microscopy for surface details.

In this research, the author hypothesizes that curly hair is influenced by the contraction of the Arrector Pili muscle, suggesting that its relaxation through specific treatments could potentially modulate hair follicle curvature, but further studies are needed to confirm this mechanism.