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Cross-section trichometry is an accurate method to measure hair loss and growth.

Hair follicle shape determines hair type: curly, straight, or in-between.

Ethnic differences in hair and skin are significant and under-researched, requiring tailored dermatologic treatments and more study.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.

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

Rabbit hair fibers are similar to wool and have a hollow center like feathers.

Certain hair care practices in African American girls can lead to scalp and hair issues.

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

A woman's hair changed to a dry, tangled texture that's hard to comb after treatment with spironolactone, suggesting the medication might cause such hair changes.

Low iron levels are linked to certain types of hair loss.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

About 69% of school children in Kashmir valley have skin disorders, with eczema and acne being the most common.

A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.

More research is needed to understand hair and scalp disorders in people with skin of color.

Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.

Most people in Tikrit, Iraq, have used herbal medicine, mainly for hair, skin, and digestive issues, hoping for effective treatments.

Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.

Hair analysis can offer clues about a person, but individual differences limit making precise identifications.

People in Jeddah know about Vitamin D and its sources but are unclear on how much they need daily, and while many women take supplements, attitudes towards increasing Vitamin D levels vary.

The document concludes that the technique allows for the detection of LDH activity in various tissues, showing where cells are actively metabolizing glucose.

The new hydrogel with zinc and polysaccharides improves wound healing and has antibacterial properties.

Some women experienced hair loss after stopping chorionic gonadotropin injections and a low-calorie diet.

Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.

Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.

Growth factors and microneedle therapy increase hair density in women with hair loss.

The document explains how to identify different hair problems using a microscope.