IYKYK by Makari Probiotics Booster fortifies the skin's natural defenses. This lightweight, non-greasy formula utilizes probiotics to soothe inflammation and diminish redness. Its benefits include guarding against environmental stressors, making it ideal for AM or PM use. It is sustainably packaged, cruelty-free, vegan, and free of parabens and sulfates. The booster is also fragrance-free and dermatologist-tested.