Hyaluronic acid is found in abundance in all parts of our body and is also part of the dermal tissue of our skin. The amount of hyaluronic acid, along with the metabolism, dominates the maturing-aging process of our skin. Hyaluronic acid is instrumental in improving the skin's ability to absorb nutrients, smoothing the skin, removing wrinkles, and slowing down the aging process. The microneedle from Timerein has obtained the medical device registration certificate of Class Ⅲ in accordance with the regulations of the National Medical Device Authority. The disposable syringe needle with a hydrafacial machine is mainly used to solve the problem of dry skin lack of moisture. Sodium hyaluronate is injected deep into the skin layer to help the skin absorb nutrients, helping to moisturize and revitalize the skin. Because the needle is very thin, the original skin tissue is not easily destroyed. Therefore, the skin can recover quickly. In addition, the needle is disposable and…