That is not the case with the ha pen. First and foremost, other fillers are injected into the subcutaneous tissue of the skin using a needle. Hyaluronic Lip Injection Class Minks Beauty Institute Llc The hylaron pen uses pressure to deliver hyaluronic acid into the skin. How do needleless lip fillers work . The hyaluronic acid is absorbed and distributed under your skin better than if you were injected with a needle. You may experience mild swelling. The lip filler is administered using a hyaluron pen each time. You can benefit from needleless lip filler training if you are a longtime practitioner in the beauty enhancement industry. You can even take your classes during your lunch break. It can be temporarily effective to have needleless lip filler, but it may not give you the desired outcome. The device deposits hyaluronic acid filler into the epidermal and upper dermal layers of the skin. For many people, the quest for fuller looking lips is an ongoing journey. ...