Women (and men) want their skin to retain its youthful appearance for many years to come. Fortunately, several types of serums on today's market are highly effective in counteracting surface signs of aging. Serums that work particularly well include vitamin C serum, hyaluronic acid serum, and 2.5% retinol serum. Here's what each of these serums can do for you when used as a part of your skincare routine.

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