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Anti-Aging By The Numbers

Redbook Logo By Maddie Aberman of Redbook | Slide 1 of 11: If you still remember your old college boyfriend's phone number, you can easily memorize these way more important digits. From exactly how much product to use to when you'll really see results, these are the equations for a healthy, beautiful complexion.

If you still remember your old college boyfriend's phone number, you can easily memorize these way more important digits. From exactly how much product to use to when you'll really see results, these are the equations for a healthy, beautiful complexion.

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