Stores like H&M, Zara and Primark are experimenting with selling makeup, hair care and fragrances. But as past experiments show, beauty is a tricky beast for mass retail. After the success of beauty lines by Gap and Victoria’s Secret in the 1990s, others, like Zara, H&M and Primark have attempted beauty with varying results. Experts say the keys to success are resources, talent and autonomy, but the landscape has changed vastly from the one that Gap and Victoria’s Secret thrived upon. Most