About Product: EELHOE - SP-4 Ultra+ Teeth Whitening Serum OverviewSP‑4 Ultra+ is a lightweight, fast‑absorbing serum designed to calm irritated skin, boost barrier repair, and deliver lasting hydration. Powered by a patented peptide complex and multi‑molecular hyaluronic acid, it visibly reduces redness and sensitivity while strengthening your skin’s natural defenses. Its airless‑pump packaging keeps the formula fresh and hygienic, making it perfect for daily layering under your moisturizer or makeup. Features Peptide Repair Complex: Accelerates cell regeneration and reinforces the skin barrier Multi‑Molecular Hyaluronic Acid: Delivers both surface and deep hydration for supple comfort Redness‑Reducing Botanicals: Calms inflammation and soothes reactive or sensitized skin Fast‑Absorbing, Non‑Greasy: Layers seamlessly under creams and makeup without pilling Dermatologist‑Tested & Fragrance‑Free: Gentle enough for sensitive or acne‑prone skin Airless Pump Dispenser: Precise dosing and maximum formula stability over time Daily Use Formula: Ideal for morning and evening routines to maintain a healthy, balanced complexion.