Can I use 2 different sunscreen in a day?
Can I use 2 different sunscreen in a day? Mineral and synthetic sunscreen products can definitely be used on top of one another. But using one of them is usually enough, as long as you apply it liberally and make sure it offers broad spectrum protection.
What is the rule of 2 sunscreen?
The notion that you should apply two fingers' length worth of sunscreen is, in fact, a myth. This one-size-fits-all approach fails to account for the fact that individuals have different face sizes and hand sizes. Relying on such measurements can result in either insufficient or excessive protection.
What happens if you mix SPF 30 and 50?
But suffice it to say that if you mix sunscreen, the maximum SPF you'll get is the higher of the two you started with, she said. And you'll likely end up diluting it instead. In fact, if the two sunscreens use different active ingredients to protect you from the sun, they could end up compromising one another.