Our #1* Serum just got stronger with ImuGeneration Technology. Powered with anti-oxidant rich reishi mushroom and iris root extracts, to strengthen skin, restore firmness and defend against daily damage for skin that’s 28% stronger in just 1 week.** Skin looks even smoother, firmer, more hydrated and resilient.The new formula features an improved dewy texture that sinks quickly into skin, for a longer-lasting, silky smooth fresh feeling.For all skin types. Use Ultimune as a pre-treatment to enhance the efficacy of your moisturizer or serum. See makeup apply more evenly and flawlessly over softer skin.For all skin types and all ethnicities. Dermatologist-tested. Non-comedogenic. Paraben-free. Mineral oil-free.HOW TO USEUse every morning and evening after cleansing and before moisturizing. When using with other serums, apply Ultimune Power Infusing Concentrate first. Push the pump twice to dispense formula onto palm of hand and smooth evenly over the face.