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A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.

Sunlight worsens hair loss; protect scalp.

Keratin peptides can change hair shape gently without harsh chemicals.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

Young women in West Bengal, India, with PCOS often have estrogen resistance, leptin receptor issues, folate deficiency, T2DM, and acanthosis, commonly linked to obesity.

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.

RSPO1 mutations in certain patients lead to skin cells that don't develop properly and are more likely to become invasive, increasing the risk of skin cancer.

Rat dermal papilla cells have unique genes crucial for hair growth.

Activating c-Myc in skin causes rapid cell growth and changes, but these effects are reversible.

Exosomes could be a promising way to help repair skin and treat skin disorders.

Hair in mammals likely evolved from glandular structures, not scales.

Certain gene mutations are linked to wool quality in sheep and could help in breeding for better wool.

Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.

Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.

Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.

Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.

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

Dermatologists need to understand hair products to treat hair and scalp issues better.

Cell-based models help test if cosmetic ingredients really work for hair growth and skin health.

The study concludes that certain domains in Clostridium histolyticum enzymes are structurally unique, bind calcium to become more stable, and play distinct roles in breaking down collagen, with potential applications in medicine and drug delivery.

Alopecia Areata causes significant structural and compositional changes in hair.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

Hair lipids do not protect against humidity.

Human hair keratin might be good for filtering out harmful substances from water.

Root hair growth in plants is a complex process controlled by many factors working together.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.

Chemical treatments and daily stresses damage hair, especially the cuticle layer.