Replenishing these proteins through treatments helps to restore the hair's ability to hold onto moisture, leading to smoother, more hydrated strands that are less prone to frizz. How It Protects the Hair Shaft The primary function of this protein on the surface of the hair is to act as a shield.
Keratin Hair Repair Daily Routine: Rebuilding Strength and Moisture
These amino acids form strong disulfide bonds, which create a rigid and durable matrix. The production of this protein occurs within the hair follicle, specifically in the hair bulb, where cells divide and differentiate into the hair shaft we see above the skin.
Individuals with high-porosity hair often benefit from more frequent protein treatments, whereas those with low porosity may require lighter protein formulas or moisture-focused care to avoid buildup and maintain softness. Keratin and Moisture Balance While often associated with strength, this protein also plays a vital role in moisture regulation.
Keratin Hair Repair Daily Routine: Rebuilding Strength and Moisture
This depletion is why damaged hair often feels mushy or straw-like; the structural matrix is compromised. The hair cortex, which lies beneath the cuticle, contains natural keratin and moisture that keep the hair flexible.
More About What does keratin do for hair
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