Based on the provided reviews, the DIVE IN Low Molecular Hyaluronic Acid Serum by Torriden is highly praised for its hydrating properties and gentle formula, which can be beneficial for overall skin health. However, the reviews do not specifically mention ingredients targeted at closed comedones. **Key Points:** - The serum is known for its excellent hydration and lightweight texture. - It is suitable for various skin types, including sensitive and dehydrated skin. - Users report improvements in skin texture and hydration, but there is no direct mention of targeting closed comedones. **Recommendations:** - For closed comedones, ingredients like salicylic acid, retinoids, and niacinamide are commonly recommended. These ingredients help to exfoliate the skin, unclog pores, and reduce inflammation. - If you are specifically looking to target closed comedones, consider products that contain these active ingredients. **Related Questions:**