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Advancements in cosmetic and reconstructive surgery improve techniques and patient satisfaction.

A new hair transplant method showed promising results and a study found how deep a CO₂ laser can penetrate skin.

This article explores the integration of nanotechnology and cosmetics, highlighting the development of cosmeceuticals targeting issues such as wrinkling, hyperpigmentation, and skin dehydration, while also reviewing cosmetic history and types of nanotechnology by particle size.

This study concluded that UK law falls short in ensuring effective workplace equality for individuals with visible differences, suggesting amendments to the definition of disability and other legal reforms as potential solutions.

This study found that permanent waving treatment induces structural changes in the cortex proteins of white human hair, significantly reducing its tensile strength without altering the S-S band intensity.

Mammalian hair scales change from smooth to wavy due to friction.

This study found that permanent waving treatment partially disrupts the α-helical structure in human hair microfibrils, primarily during the initial reduction phase, rather than just affecting disulphide bonds.

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.

This study identified a new mutation in SELH/Bc mice causing distinctive whisker and body hair abnormalities, mapped near the type I keratin cluster on chromosome 11.

This study found that the structural and chemical composition of human curly hair may resemble that of sheep wool, implying a shared characteristic among mammals with wavy hair.

In this study, BECD-treated wavy hair showed reduced undulation and improved straightening after drying, as BECD enhanced the contraction and rearrangement of molecular chains in non-keratin proteins, unlike untreated hair, which retained its wavy structure.

This study demonstrated that the differential wetting characterization (DWC) method can effectively differentiate changes in the wetting properties of hair fibers after chemical or physical treatment.

This review explores the potential genetic and epigenetic influences on hair whorl patterns and suggests that pattern formation may involve basic physical-chemical laws, although it reports no new experimental findings.

This study analyzed the swelling behavior of human hair during permanent waving treatment, finding that both the microstructure and macrostructure of intermediate filaments swell simultaneously at the initial stage, and while partially destructed by reduction, they are considerably restored through oxidation.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

This study presents the first reported case of woolly hair nevus appearing during adolescence, with significant improvement observed 5 years later and structural changes in the hair documented.

This study used Raman spectroscopy and wide-angle X-ray scattering to observe two main α-helix to β-sheet transitions in hair keratin under varying humidity levels, finding that water impacts when these structural changes occur, involving a disordered state.

In this study, permanent waving treatments, especially those using lotion B and repeated procedures, were found to significantly damage hair protein content and physical properties.

QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.

Curly and straight hair differ in how their internal fibers are arranged.

This study observed that hair fibers in older women become more curved with age, decreasing hair luster due to their disordered alignment and structural differences between the convex and concave sides.

This study found that wavy sinus hairs in cats were significantly associated with feline leukemia virus infection, suggesting this physical trait might be useful for identifying infected cats.

This study identified five distinct scalp whorl patterns, noting that white males have the most distinct whorls, while African Americans and women more often exhibit a diffusion pattern.

This study assessed hair whorl characteristics in domestic dogs and found that simple whorls predominate, with tufted whorls more common in specific regions like elbows and chests, influenced by factors such as coat traits and source.

Merino wool fibers change shape with moisture, while human hair shape stays the same.

This study identified five distinct natural scalp whorl patterns and noted that White males have more distinct whorls, whereas African Americans and women often display a diffusion pattern.

This review discusses the genetic basis of woolly hair syndrome and its potential link to heart disorders, highlighting recent discoveries of new molecular pathways and suggesting possible future treatment options.

Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.