Is There Evidence That Sunscreen Reduces Aging?

Is there direct evidence that the application of sunscreen and the effect that that has on sort of the penetration of UV rays, how that affects the actual aging and appearance of skin over time? Yes, we actually have a lot more evidence on that because it happens a lot faster than cancer. We've also got good evidence that sunscreen reduces pigmentation. Pigment is itself a bit protective against UV. Getting a tan won't really protect you against UV. But if you're born with darker skin, in general, that is protective.

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