What it is: A fragrance-extending primer designed to be the foundational layer for fragrance, creating the ideal environment for scents to thrive.What it does: When applied prior to fragrance, this primer significantly extends wear time for up to 24 hours. In addition to increased longevity, it magnifies the intensity of your fragrance from the moment of application (including citric top notes that are typically quick to dissipate) for a fragrance that radiates a brighter, fresher scent far into the future. This primer is Certified Microbiome Friendly, respecting the natural, healthy microbiome of the skin, both on the surface and in the deeper layers of the skin.Key ingredients:- Arginine and Citric Acid create a balanced foundation to sustain the life of the fragrance- Skin-calming Peptides and hydrating Ceramides aid in maintaining your skin's moisture barrier- Aeonome: a marine biotechnology ingredient known for moisturizing, hydrating, skin soothing by reducing oxidative stress, skin microbiota regulation and overall healthy skin maintenanceHow to use: Spray and rub into skin at your pulse points on your wrists, neck, behind the ears, and in the creases of your knees and elbows and allow 30 seconds to dry before layering your favorite fragrance on top. 1.6 oz. Oil-free; fragrance-free Paraben-free; phthalate-free; silicone-free; sulfate-free Made in the USA