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Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.

This study found that treating wheat with 100 µM melatonin under drought conditions significantly improved root and shoot growth, increased melatonin levels, and enhanced drought resistance, potentially clarifying the mechanisms of melatonin's protective effects in plants facing water scarcity.

This study examined the morphological variations of terminal hair from different body regions of a Caucasian male, finding notable differences in diameter and features like "steak-boning" in specific hair types.

This study described the structure of the hair brush on male Endoclita vietnamensis moths' legs, identifying characteristics such as specialized scales and a pheromone gland, which could facilitate the future development of pheromone-based pest control methods for eucalyptus pests in China.

This review discusses recent advances in polydopamine-based biomaterials and their growing potential in personalized medicine, but reports no new experimental results; the authors highlight both opportunities and challenges for future applications.

Fibronectin and other basement membrane components increase during hair growth and decrease during rest.

This study found that rebonding hair straightening treatments visibly damage the hair cuticle, causing surface erosion and cracks, as shown through Scanning Electron Microscopy analysis.

This study analyzed the nanotribological properties of various hair types and human skin, revealing differences in friction and adhesion based on ethnicity and hair condition.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.

This study concluded that sodium lauryl sulfate is very toxic to hair, damaging its structure, while natural conditioners help protect hair integrity and improve consistency and shine.

This study found that biodegradable PLA particles released fluorochromes in a time-dependent manner on human skin, with BP-PLA particles releasing rapidly and DiAsp-PLA particles providing sustained release and accumulation in hair follicles.

This study explored using keratin extracted from human hair waste to create biodegradable bioplastic films, revealing promising potential for applications in packaging and disposable items due to their uniform surface morphology and ability to degrade with keratinophilic fungi.

This study found that incorporating CTA2-BADG, a modified hair-rebonding compound, into damaged hair significantly improved surface morphology and tensile strength by using charge-conversion chemistry to enhance penetration into the hair shaft.

This study reported detailed three-dimensional ultrastructural observations of human hair and hair follicles using a modified preparation method, including morphological differences in hair bulb cell layers and surface projections on root sheath cells.

This study found that greater root surface area due to root hairs contributed to better growth and zinc uptake of wild-type barley compared to its root-hairless mutant in zinc-deficient soil.

This study observed that amelanotic melanocytes from human hair follicles appeared morphologically immature, suggesting they might not transfer melanosomes into keratinocytes.

This study observed that human hair keratin showed distinct morphological features depending on the dissolution speed, which could have potential applications in clinical settings for developing self-tendons.

Pax9 is crucial for proper tongue surface development and preventing skin-like changes.

This study found that intermediate hair follicles are morphologically distinct from terminal follicles and offer a novel model for developing new alopecia therapies despite being technically more challenging to study.

This study found that hair from ovarian teratomas shares similar chemical composition and morphology with scalp hair, but differs in physical properties and cysteic acid bands.

This study found that hair follicle-derived dermal stem cells and bone marrow mesenchymal stem cells have similar growth, differentiation capabilities, and surface marker expressions, suggesting hair follicles could be accessible sources for mesenchymal stem cells.

In this study, Far2-/- mice were observed to develop focal alopecia with altered sebaceous gland morphology and lower skin lipid levels compared to wildtype mice.

This study found that permanent wave treatment accelerates hair degradation after protease exposure, showing significant morphological differences compared to untreated hair and linked to damage from Alpha-helical region denaturation.

This study found that scaffolds made from human hair proteins supported better cell growth and interactions than control surfaces, indicating potential use in tissue engineering.

In this study, UVB exposure was found to alter certain chemical properties of the hair shaft, such as keratin components and water content, without significantly affecting its physical morphology.

This study describes "alarm reaction" histologic changes in pilosebaceous structures, including regression of hair matrix and alterations in sebaceous glands, affecting follicular and sebaceous gland morphology.

This study found that straight permed hair retains more weight than virgin hair during burning at higher temperatures, with distinct differences in morphological changes observed through thermal analysis and microscopy.

This study found that using 1,4-butylenediamine bismaleimide for hair perming through thiol-Michael click chemistry offers comparable efficiency to conventional oxidative methods, with enhanced durability and reduced damage to hair fibres, preserving mechanical, color, and surface properties.

This study demonstrated that human hair shafts can inhibit the growth of Gram-positive bacteria but have no effect on Gram-negative bacterial growth, offering insights into hair and scalp health.

This study found that a hair conditioner using peptides from Pneumatophorus japonicus heads improved damaged hair's structure, gloss, and smoothness more effectively than a commercial wheat protein conditioner by increasing amino acid content and interacting with hair keratin.