The Golden Rule of Skincare: Always apply your products from thinnest to thickest consistency, and water-based before oil-based. When it comes to morning skincare power couples, Vitamin C and Hyaluronic Acid (HA) are the ultimate duo. One protects and brightens, while the other plumps and hydrates. However, mixing them up can neutralize their benefits or cause your makeup to pill. Step 1: The Vitamin C Brightener (Cleanse & Treat) After washing your face, apply your Vitamin C serum first. Vitamin C (especially L-Ascorbic Acid) is highly unstable and needs a low pH environment to penetrate the skin effectively. Pro Tip: Wait about 60 seconds to let it fully absorb before moving to the next step. Step 2: The Hyaluronic Acid Hydrator (Plump & Lock) Once your Vitamin C has sunk in, mist your face lightly with water or a gentle toner. Hyaluronic Acid is a humectant, meaning it draws moisture into the skin. Applying it to damp skin allows it to trap that moisture, instantly plumping fine lines. Step 3: Seal the Deal Finish with a lightweight moisturizer to lock in all that goodness, and never forget your broad-spectrum SPF 50. Vitamin C actually boosts the efficacy of your sunscreen, making them a formidable shield against UV damage!