Want younger-looking, firmer, and smoother skin from a foundation? Peter Thomas Roth Un-Wrinkle Foundation takes the powerful wrinkle-fighting peptides found in the original Un-Wrinkle serum and adds in light-diffusing pigments and SPF 20 sun protection. It immediately gives you luminous skin and overtime firms and smooths the skin while protecting from future damage. It is oil and fragrance-free, making it great for all skin types. Medium is ideal for those with medium to medium-dark skin tones.