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Thicker hair grows faster; hair loss patients have slower growth.

Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.

Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.

Deep learning can effectively detect hair and scalp diseases early.

Early onset hair loss linked to genetics and androgen levels.

Heat and chemicals improve finasteride delivery to scalp and hair follicles, potentially enhancing treatment for hair loss.

Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.

Finasteride works for hair loss by maintaining existing hair follicles, not reversing miniaturization.

Chemical hair straighteners can severely damage hair and scalp with repeated use.

Using sharp tools and the right techniques in hair transplant surgery leads to less damage to hair follicles.

Accurate diagnosis is key for treating different kinds of hair loss, and immune response variations may affect the condition and treatment results.

Trichoscopy is good for diagnosing and monitoring hair and scalp problems in children but needs more research for certain conditions.

Transverse scalp sections are better for diagnosing non-scarring hair loss, while vertical sections are better for a specific scarring hair loss called lichen planopilaris.

Androgen receptors found in monkey scalps, similar to humans, affect hair growth.

Cutting scalp biopsies in consecutive slices improves diagnosis of hair loss conditions.

SA linked to mitochondrial issues and oxidative stress, while AGA involves disrupted hair growth genes.

Scalp biopsies help tell apart androgenetic alopecia and alopecia areata.

MRI helps evaluate androgenetic alopecia severity.

The document concludes that using a phototrichogram with a protractor and tapeline is a reliable and noninvasive way to measure hair loss.

Personalized hair care is essential for healthy hair and scalp.

Finasteride reverses early hair loss and promotes growth.

Low-level laser therapy improves hair growth and dermal papilla cell function.

Cells from balding scalps have more androgen receptors than cells from non-balding scalps.

Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.

The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.

Scalp cooling prevented hair loss in half of the patients, despite significant side effects.

As people get older, they have less active hair growth, but women have thicker hair than men and respond better to hair loss treatments.

A dermatoscope is important for evaluating hair transplants and managing patient expectations.

New treatments for children's scalp ringworm are recommended based on recent data.

Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.