As a rule, you need to commit to an anti-aging skincare product for a few weeks in order to see its claims in the flesh, literally. There are some products, though, that elicit an immediate tightening response, and your skin actually starts to feel firmer within minutes. Using it over time is what helps those gratifying results last more than a day, but when you’ve got somewhere to go and you want to look younger by 5 p.m., you won’t hate having these serums on your top shelf. Scroll through to check out a few formulas that get to work ASAP.
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