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Thermal straightening can damage ethnic hair and may pose health risks.

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

Human hair has different protein structures in its cuticle and cortex.

The model shows that filament flexibility and amino acid differences affect how fast intermediate filament proteins assemble.

Two drugs, ritlecitinib and brepocitinib, improved scalp hair loss condition markers.

Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.

Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.

Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.

Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.

Eruptive vellus hair cysts are often missed in diagnoses.

Ritlecitinib helps reduce inflammation and promote hair regrowth in alopecia areata, especially in patchy-type cases.

Activating the Sonic hedgehog gene in mice can start the hair growth phase.

Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.

Cylindromas likely originate from hair follicle stem cells, not sweat glands.

Monilethrix involves multiple genes affecting hair structure, including DSG4 mutations.

Camellia japonica extract may improve scalp health and promote hair growth.

Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.

Aspartic acid at 0.75% makes perms more effective and less damaging to hair.

Nonablative radiofrequency treatments, especially microneedle and fractional types, can improve acne scars by 25%–75% after 3-4 sessions, with full results in 3 months and some side effects.

A man had a benign pilar cyst on his face, which is rare and was successfully removed by surgery.

KAP8.1 gene variations affect cashmere weight in Inner Mongolian goats.

Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.

CD99 is highly present in certain skin cells and could help treat skin conditions.

Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.

Young HS patients often have other physical and mental health issues, and research on HS covers a wide range of topics including genetics, triggers, treatments, and the need for more data.

The study concluded that Acral lick dermatitis is most common in young male Labrador retrievers, often caused by psychological factors, and leads to skin inflammation and stress-related blood changes.

Skin problems are common in lupus, important for diagnosis, and can be triggered by sunlight.

Yellow and orange colors are important for diagnosing certain skin conditions.

Poor maternal nutrition can lead to fewer wool follicles in Chinese Merino sheep.

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