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Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

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

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

We don't fully understand how sunlight damages different types of hair.

Parathyroid hormone-related protein helps control hair growth phases in mice.

Human hair's ability to get wet is complex and can change with treatments, damage, and environment.

MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.

Blocking a specific protein signal can make hair grow on mouse nipples.

Hair proteins have weak spots in their α-helical segments.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

Different populations have distinct hair structures related to their ancestry.

PDI helps restore over-bleached hair's strength and structure by attaching special peptides.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

α-type filaments in guinea pig hair follicles have unique structural features.

Genetic discoveries are key for understanding, diagnosing, and treating inherited hair and nail disorders.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

Acceptance reduces hair loss distress and medical consultations; coping mechanisms increase them.

Ruby laser hair removal significantly reduces hair density.

Hair's strength and flexibility come from its protein structure and molecular interactions.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

Understanding and treating hair disorders in different ethnic groups requires knowledge of specific hair care practices and hair characteristics.

Oral minoxidil can increase or maintain hair thickness in most people with lichen planopilaris, with mild side effects.

Bioluminescence imaging can track hair follicle cells and help study hair regrowth.

Hair absorbs different substances from solutions based on pH levels.

An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.