At 29 years old, I’m nowhere near over the hill – but I take my skin-care regimen seriously. (How else am I going to pretend I’m still in my twenties long after I’ve hit the big 3-0?) I moisturize day and night. Slather on the sunscreen. Remove all traces of makeup before bed without fail. So when I got the chance to try AHAVA’s Dead Sea Osmoter™ Concentrate, a moisture- and radiance-boosting serum, I was in. One-hundred percent.