With a name like Forever Youth Liberator Serum, there’s really no need for any further explanation. If there had been, we would have told you that the YSL experts claim that this face serum contains an active ingredient called Glycanatif that mimics glycan, the high performing molecules that stimulate your skin’s cells to promote cellular regeneration. We would have also pointed out that this super-smart technology is the result of Nobel Prize-winning (seven, to be exact) studies on Glycobiology. We might have even said that the serum will not only reduce wrinkles and plump out your skin, but it will also make your skin: look luminous and soft; feel moisturized and supple; and have improved texture and tone. But we don’t need to tell you any of that. You read the product’s name. You applied the serum, twice: once before work and again before bed. And now you look radiant. We’ll stop talking now.