Dermal fillers are usually  Hyaluronic acid (HA) is a naturally occurring substance that keeps skin moisturized and soft. fillers are nonsurgical options that contain a modified form of HA. Treatment with these products by a licensed specialist provides long-lasting, natural-looking results. At Zen Med spa, we believe in a natural restorative approach with the right filler that can subtly or dramatically transform what you’ve got, while keeping you looking like you. Derma filler selection is based on FDA-approved treatment based on the area of use.