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This study found that genetic variation in the KRTAP21-2 gene among crossbred Merino lambs was associated with differences in wool traits, particularly mean staple length.

This study suggests that the methylation degree of HOXC8 exon 1 in the hair follicle may influence cashmere fiber growth in Liaoning cashmere goats.

In this study of four Chinese goat breeds, black goats exhibited significantly higher melanin content, while Inner Mongolian cashmere goats had longer fiber lengths. These findings highlight genetic variations in coat color and fiber length, informing future breeding programs.

This study found that hair curvature in merino wool is influenced by differences in cell type length rather than the proportions of orthocortical and paracortical cells.

This study found that the down-hair fibers of native goats in Turkey have similar characteristics to cashmere fibers, indicating potential for high-quality textile products as a substitute.

This study found that specific variants of the KAP6-1 gene in cashmere-producing goats were associated with changes in fiber diameter and length, suggesting potential as genetic markers for fiber improvement.

This study generated a gene-edited cashmere goat with improved cashmere yield and fiber length by integrating VEGF at the FGF5 site, offering insights into hair growth mechanisms.

This study found that melatonin treatment significantly increased wool production and hair follicle activity in German angora rabbits, with larger effects seen in defleeced animals and those treated in July.

This study observed significant differences in hair and cashmere properties among three goat breeds in Southwest China, noting better quality cashmere in Inner Mongolia cashmere goats and their crossbreed compared to Dazu black goats.

This study found that Rex rabbits had significantly shorter fibre length and thinner fur compared to New Zealand White rabbits, and identified a gene-metabolite network that may influence fur quality and development.

In this meta-analysis, researchers found that melatonin did not affect primary hair follicles or litter size in goats but was positively correlated with secondary follicle growth, suggesting potential relevance for studying hair growth mechanisms and human alopecia.

This study found that in Chinese Alashan Left Banner White Cashmere goats, guard hair length was positively correlated with guard hair diameter and down fiber length, but not with body weight at first combing.

This study found that melatonin treatment improved cashmere production for one cycle in cashmere goats, enhancing fiber quality and follicle activity, but had no effects in the subsequent cycle.

This study found that expression and variants of the KRT84 gene are associated with important wool traits in Gansu Alpine Fine-wool sheep, suggesting its potential use as a genetic marker for wool trait selection.

This article proposes a methodology for selecting hair extension technology that aligns with natural hair structure and aesthetic goals, suggesting the best results are achieved by matching technique to hair's mechanical capacity.

Acankoreoside J from Acanthopanax koreanum may help promote hair growth.

In this study, an ethanol extract of Crinum asiaticum was observed to significantly increase hair-fiber lengths and promote hair growth in rat vibrissa follicles and C57BL/6 mice.

In this animal study, the researchers found that Schisandra nigra extract may promote hair growth by extending the anagen phase and reducing TGF-beta2 expression.

This article discusses alopecia and the impact of hair loss on mental health, but it presents no new research findings and highlights the need for further studies.

This study reported that introducing the TERT and Bmi1 genes into mouse dermal papilla cells resulted in immortal cells capable of inducing new hair follicles in vivo, and human immortal DPCs were also developed.

This study reported that bimatoprost significantly increased hair growth in rat vibrissa follicles by enhancing dermal papilla cell proliferation and upregulating cell cycle proteins like CDK2, Cyclin E, and β-catenin.

This study found that compound 2 from Polygonum multiflorum increased dermal papilla cell proliferation and vibrissa follicle hair-fiber length more effectively than minoxidil in vitro, suggesting potential for alopecia treatment.

In this study involving rat vibrissa follicles, U. japonica extract was found to enhance hair growth by increasing dermal papilla cell proliferation and accelerating the anagen phase but did not inhibit 5α-reductase activity, which is linked to androgenetic alopecia.

This study observed that adults with thinning hair who ingested a patented botanical-based supplement experienced significant increases in hair shaft diameter and reductions in hair breakage over 180 days, suggesting improved hair strength and length across various demographic groups.

This study found that polymorphisms in the KAP8.1 gene were significantly associated with cashmere weight, length, and guard hair length in Chinese Inner Mongolian Cashmere goats, but not with fibre diameter.

This study found that intradermal spermidine injections stimulated cell proliferation and increased fibre length growth rate in wool follicles of Merino lambs, without significantly affecting fibre diameter.

In a study on female SD rats, the authors found that RADA16-1 short-peptide nano-fiber gel scaffolds improved burn wound healing, hair follicle growth, hair growth length, and expression of bFGF and EGF compared to a NaCl control.

In this study, researchers observed significant variations in the hierarchical structures of domestic cat hairs and whiskers, showing that local mechanical properties are influenced by the distribution and composition of internal granules and calcium enrichment along the hair's length.

In this study, researchers found that the morphology, composition, and elemental enrichment of domestic cat hairs vary significantly along their length, contributing to a functional gradient that affects mechanical properties and challenging assumptions of uniformity in hair structure.

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