The high concentration of vitamin C in grapefruit helps boost the production of collagen, the compound in your skin that keeps it firm and wrinkle-free. In addition, grapefruit in skin care is naturally astringent, cleaning your skin and infusing it with the chemicals it needs for a healthy glow. Beta-carotene is a compound that slows the aging of cells, reducing the appearance of aging and keeping skin soft and youthful. Grapefruit is an excellent source of beta-carotene, but be sure to choose the pink or red varieties.

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