Let me it lay it out for you: the difference between SPF and PA, UVA and UVB rays, and physical and chemical sunscreens. And do you know how much sunscreen you should really be using? Spoiler: Shit tons. In this video, I’ll talk about why sunscreen is so important and why I chose the Biore Watery Essence. No skincare or beauty routine is complete without a daily commitment to sunscreen!