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UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.

Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.

Stress, nutritional issues, and chronic diseases can cause hair loss, and nail changes may signal internal diseases; treatment focuses on the underlying cause.

Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.

Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Nail changes are common in alopecia areata and can indicate its severity.

Hair dyes can be harmful, but risks vary by person and can be reduced.

Rice water is a natural, affordable ingredient that benefits skin and hair by promoting growth, improving texture, and reducing inflammation.

Nail changes in alopecia areata are common and may indicate severity and genetic risk.

The method improves hair image segmentation accuracy while reducing annotation costs.

The herbal hair oil effectively promotes hair growth, nourishes the scalp, and prevents dandruff.

Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.

NOC-4 extract promotes black hair and hair growth effectively.

Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.

Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.

Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.

The document suggests a possible connection between rapid weight loss and hair loss, and reports a case of skin condition improvement after stopping acne medication.

Twisting hair weakens it, but strength can be recovered at low twist levels.

A new method helps understand hair shine and various products improve hair care.

Keratins are crucial for cell stability, wound healing, and cancer diagnosis.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

A new method quickly extracts and identifies proteins from hair and other keratin sources.

Hair follicle growth and development are controlled by specific genes and molecular signals.

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

Hair and wool have complex microscopic structures with microfibrils and varying cystine content.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.