An Essence Serum is a concentrated water-based product that penetrates deep into the skin and gives nourishment on a cellular level. It is much lighter than a normal serum and hence it goes deeper into the skin, hydrating it from within. Seize that youthful glow with the Flowers of Youth Essence Serum. Crafted with the natural goodness of Hibiscus, the essence serum boosts collagen production making your skin appear youthful.