French luxury beauty brand combining the best of nature and science to create the highest quality skincare, makeup products and beautiful fragrances. Sisley-Paris at Crystals was named one of the 10 Best Spas in Las Vegas by Travel + Leisure! This renowned French cosmetic company has a cult-like following of fans who can’t get enough of the brand's phytotherapy-rooted products. What those passing by the bustling boutique may not know is that there is actually a secret spa cabin tucked in the back that proffers just one thing — a selection of the best facials this writer has ever had. It’s strongly recommended to book your slot well in advance.