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Age, smoking, and lower BMI increase facial wrinkles; men wrinkle more than women, except in old age; pale skin and certain hormonal factors can protect against wrinkles.

Condensed nanofat with fat grafts effectively improves atrophic facial scars.

Ultrasound is a useful, non-invasive tool in dermatology for diagnosing skin conditions and guiding treatments, but it has some limitations.

DNA phenotyping can predict physical traits like eye, hair, and skin color, improving forensic investigations.

A condition with certain scalp changes may come before acne keloidalis nuchae and other similar hair loss disorders.

Segmented hair color changes can indicate active alopecia areata.

Skin color may change how alopecia areata looks under a dermoscope.

Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.

Different patterns on the scalp help diagnose types of hair loss without needing a biopsy.

TBX3 gene affects horse coat color, with higher expression in darker areas.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Lactobacillus and fermented Korean berry can help hair grow faster.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Mixed-race individuals have hair with varied shapes and more root damage.

Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.

The document concludes that early and accurate diagnosis of hair loss on the top of the scalp in Black men is important to distinguish CCCA from other types of hair loss.

BMP4 helps stem cells turn into pigment-producing cells, affecting hair color and growth.

Hair loss in male pattern baldness is linked to changes in specific genes and proteins that affect hair growth and scalp health.

Hair cortisol is a reliable way to measure long-term stress in animals.

Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

An intelligent system can classify hair follicles and measure hair loss severity with reasonable accuracy.

Hair repigmentation can indicate malignancy and should be investigated.

Bathroom heating lamps can damage hair, causing it to become dry, brittle, and broken.

The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.

A new tool helps better assess and treat hair loss in Chinese men.

Male and female human hairs have different microscopic structures that can help in forensic analysis.

Balding hair follicles have less growth-promoting factors and more inhibitory factors, leading to hair loss.

Two rare bald spots on the back of the scalp were found to be lupus, not alopecia areata.

Dandruff scalps have unstable microbes, more Malassezia, less Cutibacterium, and targeting Lactobacillus may help.

Hair follicles have a pH gradient, increasing towards the root.