SmartCover.com, a New Jersey-based online cosmetics brand, has seen sales soar since 2007. The company’s revenue boost has been due in part to its product designed to cover up tattoos. Executives at the company say many customers who use this product are banned from having visible tattoos at work. The temporary cosmetic cover up allows tattoos to be hidden in an instant. A 2003 Harris Poll found that many Americans who do not have tattoos think that people with tattoos are less attractive ...