The Longevity Essential Serum is a revolutionary anti-aging serum specifically designed for skin showing advanced signs of aging. Skin’s needs and concerns evolve over time. Signs of aging appear gradually, and then, at a certain point in time, they intensify and new skin concerns start to appear: uneven tone, loss of firmness, yellowness, thinning & dryness. The Longevity Essential Serum presents an ultra-innovative approach, based on 4 actions, to target the specific needs of skin experiencing advanced aging.