In collaboration with Leila Rochet Podvin - Cosmetic'Seeds Blog “In the United States, there are more and more 2-, 3-, 4-, and even 6-in-1 products. And we're talking makeup. More than 30% of women in the United States have at least 5 makeup products in their handbag. Hence these multi-products, which I call multiple musts,” explains Leila Ro...