Power Duo Anti-Aging MiniHealthy skin cells are the foundation to firm and buoyant skin. This duo helps plump and lift and supports the strength of collagen and elastin. Retinol helps to increase the turnover of skin cells, to reveal younger, healthier skin. This is our best seller serum for all skin types that effectively nurture the skin to feel younger and healthier. This lightweight serum draws moisture into the skin while helping to protect the skin's DNA from skin