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Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.

UV radiation and visible light can damage hair, but there are ways to protect it.

Aging makes hair thinner and rougher, with less clear edges.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.

Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.

Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.

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

Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

3D culture helps maintain hair growth cells better than 2D culture and identifies key genes for potential hair loss treatments.

Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.

Hair stiffness is higher when it has more para-like cortical cells.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.

Skin stem cells can help improve skin repair and regeneration.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

Plant-based treatments can effectively and safely treat hair loss.

Sheep wool keratin solution safely and effectively promotes hair growth.

The model helps understand how wool fiber structure affects its strength and flexibility.

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.

OCT can effectively examine and reveal details about human hair and scalp conditions.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

Surgical repigmentation can permanently restore color to white hair in vitiligo patients.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.