
Don't get burn For adequate sun protection, you need to protect yourself from two different ultraviolet rays: UVB rays, which cause you to burn and UVA rays which penetrate more deeply and cause aging, hyperpigmentation and cancer.SPF ratings are relevant only to UVB rays. Ratings offer diminishing returns as SPF increases. An SPF 45 sunscreen is not much more effective than an SPF 30 … [Read more...]