Men's face serum that strengthens skin's inner defenses, delivers targeted antioxidants, and helps resist damage for healthy-looking skin. Our best-selling Ultimune Power Infusing Concentrate is reformulated for men's unique skincare needs. Men's skin differs from women's in its ability to protect itself from intrinsic and environmental aggressors. This new power infusing concentrate serum strengthens skin's inner defenses, delivers targeted antioxidants, and helps resist damage, while providing 32 hours of continuous hydration.