First of all, just look at it. LOOK at the La Prairie gorgeousness. The sleek platinum-like packaging screams luxury and quality, and you can see it has the all-important pump dispenser. Pump dispensers are fabulous because they guarantee hygiene, ease of use, & zero waste. Trust me, you won't want to waste a single drop of this! The Anti-Aging Rapid Response Booster is a serum designed to be worn after cleansing & toning, & before moisturiser, & it claims to lessen the appearance of lines & in two weeks. TWO WEEKS. This sounds mad, but before you roll your eyes, know this- 100% of users trialed had visible skin improvement in 2 weeks. Impressive. The formulation is also impressive with the classic La Prairie rose scent, & it absorbs quickly- no sticky residue found in many serums. I haven't used this for two weeks YET- but I will report back...& in the meanwhile, my skin feels plump, smooth, & looks amazing. If I could bathe in this, I would- it is SO LOVELY.