Jeunesse Luminesce Cellular Rejuvenation Serum is an anti-ageing serum that users can apply to combat the signs of ageing. This product is lightweight and ideal for use underneath a primer or foundation. The serum encourages cell renewal, which slows down the ageing process and combats some existing signs. With regular applications, users encourage more collagen and elastin, which work together to plumpen the skin, leading to a youthful appearance.