Once in your forties, your metabolism starts to slow down and your skin may become a bit duller. It's important to exfoliate regularly (using a scrub or a microdermabrasion treatment) to regenerate and renew your skin—we love our trusty Clarisonic ($99-$249; sephora.com). This will increase brightness and add back that youthful glow. Wong explains, "During this time, the dermal-epidermal junction also flattens and the upper dermis loses density." Basically, when the ridges flatten out, you get wrinkles. She continues, "This leads to skin losing its firmness." Valmont Firming Lifting Corrector Factor II ($315) uses yeast extract to strengthen the cohesion of the dermal-epidermal junction, which will help decrease the depth of wrinkles and brighten skin."
When choosing a sunscreen, make sure it continues to be broad-spectrum, but with ingredients to soften the appearance of shallow lines and pores. Nazarian offers, "Keep your sunscreen paraben-free to avoid sensitivities and potential aging factors. Your best bet is La Roche-Posay Anthelios Daily Anti-Aging Primer ($39)."
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