Five major effects: 1. **Deep hydration**: The hyaluronic acid and other moisturizing ingredients are directly injected into the dermis by the aqua gun, significantly increasing skin moisture content, improving dryness and roughness, making the skin smooth and glowing. 2. **Improving skin texture**: By stimulating collagen and elastic fiber generation, the aqua gun can improve skin elasticity, reduce fine lines and wrinkles, making the skin more delicate and firm. 3. **Brightening skin tone**: The aqua gun promotes skin metabolism, reduces pigmentation and dullness, brightens skin tone, making the skin more even and radiant. 4. **Pore tightening**: Through deep hydration and promoting collagen production, the aqua gun helps tighten pores, improving enlarged pore issues, making the skin more delicate. 5. **Anti-aging**: The nutrients in the aqua gun stimulate skin cell regeneration, delay aging, reduce wrinkles and sagging, restoring a youthful appearance.