Hair Is Protein

Hair is primarily composed of a protein called keratin. Keratin is a fibrous structural protein that forms the key structural component of hair, as well as nails and the outer layer of skin. The structure of keratin is made up of long chains of amino acids, which are the building blocks of proteins.

The keratin in hair is arranged in a helical structure, and it contains sulfur atoms that form cross-linkages, contributing to the strength and resilience of the hair shaft. These cross-linkages are often referred to as disulfide bonds.

The life cycle of a hair strand involves three main phases: anagen (growth phase), catagen (transitional phase), and telogen (resting phase). Throughout this cycle, the hair is subject to various environmental factors, chemical treatments, and mechanical stress, which can affect the integrity of the hair protein.

Proper nutrition, including a sufficient intake of protein, vitamins, and minerals, is essential for maintaining healthy hair. Proteins from the diet contribute to the synthesis of keratin and other proteins in the hair follicles. Additionally, adequate hydration and a balanced diet help support overall hair health.

Various hair care products, such as shampoos, conditioners, and treatments, are formulated to support the health of the hair protein. These products may contain ingredients that help strengthen, moisturize, and protect the hair, addressing specific concerns like dryness, damage, or frizz. Additionally, avoiding excessive heat styling, chemical treatments, and other harsh practices can help preserve the integrity of the hair protein and promote healthier-looking hair.

Find recommended products for healthy hair support here