Heimish RX Hyaluronic Acid 2% Hydrating Serum 35ml01. Hydration Boosting Serum This serum is enriched with eight types of hyaluronic acid to target multiple layers of the skin, providing immediate and lasting hydration. 02. Plumping & Smoothing Hydration With a lightweight, non sticky texture, this formula plumps the skin, creating a softer, smoother, and healthier looking complexion. It strengthens the skins moisture barrier, enhancing the efficacy of active ingredients. 03. 2% Hyaluronic Acid