What’s the One Product You Have to Have in Your Skincare Routine?

Cleansers, moisturizers, serums — there are literally thousands of skincare products to choose from. However, there’s only one that you absolutely must have in your skincare routine — and all dermatologist agree. Mineral-based sunscreens — the ones that contain zinc oxide and titanium oxide — are the best way to protect against the sun and fight premature aging.