Deal of the Day This is the one thing on sale (out of many things on sale we write about) you should buy today. Read more here . Photo-Illustration: Photo-Illustration: The Strategist; Photo: Retailer Dermstore’s Beauty Refresh Sale ends today, which means you have less than 24 hours to save 20 percent (with code REFRESH) on a ton of top-tier beauty products, plenty of which don’t go on sale very often. One of those is Elta MD’s UV Clear Broad-Spectrum SPF. It’s down to just $36, which is a