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Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.

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

Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.

Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.

Juglone from walnut extracts may help repair damaged hair.

Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.

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

Adults with persistent scalp issues unresponsive to typical treatments should be tested for the fungal infection tinea capitis to start the right antifungal medication.

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

Pangolins have lost some skin-related genes, but kept others, leading to their unique scales and skin features.

The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.

Chemotherapy and radiation therapy cause skin and hair damage by altering gene expression and signaling pathways.

Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.

Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

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

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.

Bleaching hair causes significant damage by breaking down proteins and fatty acids.

Telogen is an active phase with important biological processes, not a resting phase.

The research identified genes and pathways important for sheep wool growth and shedding.

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

Cynatine HNS improves hair and nail quality in 90 days.

Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.

Mongolian gerbils heal wounds differently than mice, with unique protein levels and gene expression that affect skin repair.

Using special RNA to target a mutant gene fixed hair problems in mice.

The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.

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