Hair serum is a liquid hair treatment product designed to nourish, smooth, and protect hair, often used to address common concerns like frizz, dryness, or dullness. Typically made with a blend of silicones, oils, and proteins, hair serum works by coating the hair shaft to provide moisture, add shine, and create a protective barrier against environmental factors like heat and pollution.
Depending on the formula, hair serums can help with different needs:
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