Good news sunscreen wearers and enthusiasts! All your effort tirelessly applying proper SPF every day is totally worth it. A new study out of Australia found the strongest evidence to date that proves regular sunscreen keeps skin looking younger—24 percent younger to be accurate. While dermatologists have been touting regular application for some time now, this study, published in the Annals of Internal Medicine, is the first to really show on humans (over the course of years) that wearing sunscreen is cosmetically beneficial.
The participants, adults under the age of 55, found that after almost five years, the people assigned to apply broad-spectrum sunscreen with an SPF of 15 to their hands at least once a day saw 24 percent less aging (sunspots and wrinkles) in their skin than those who were left to their own devices. The photoaging that did occur in the participants who didn’t wear SPF was due to regular UV light exposure, which has shown to damage the collagen that keeps skin smooth and tight.
“It is fair to say it was a general assumption that sunscreen would have this effect on photoaging, but our findings now provide the evidence,” says lead researcher Adele Green of the Queensland Institute of Medical Research.
Now, just think about how much benefit SPF 30 (the daily amount recommended by the American Academy of Dermatology) will give your skin in five years.
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