Masque-ology, a leading Korean skin care facial mask brand adored by celebrities and consumers, has introduced a new line of affordable sheet masks.  These facial masks are available nationwide in 3,000 Walmart locations across the US and online. The brand has been well received since its launch in 2011 at Sephora and Macy's.  Given its success, this new mass market venture for Masque-ology looks promising.  Their goal is to take the same skincare products – once only available at high-end ...