Confused about skin-care terminology? Here's what several common terms mean:
- Collagen. A protein that contributes to the elasticity of skin tissue.
- Emollient. A lotion or cream that helps make skin smoother and softer.
- Exfoliant. Any product that helps to remove dead cells from the skin's
surface.
- Humectant. A product that promotes the retention of moisture in the skin.
- Hydration. The process of bringing more water into skin tissues.
- SPF. Stands for sun protection factor, a numeric scale used to establish the effectiveness of a product at blocking the harmful rays of sunlight from reaching the skin. The higher the number, the greater the protection.
- AHA. Stands for alpha-hydroxy acid. A natural acid, often derived from fruit, that helps slough off dead skin and speed up cell renewal. AHAs have emerged as one of the most important ingredients in skin care.
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