Key Features and Benefits Gentle Exfoliation: The serum uses a blend of 3% glycolic acid (AHA) to remove surface dead skin cells and 3% gluconolactone (PHA) to target invisible flakiness, revealing a smoother, brighter complexion. This dual-acid approach is designed to be mild enough even for sensitive skin types.

• Barrier Repair and Hydration: It is enriched with a blend of 5 types of ceramides and 2% panthenol (Pro-Vitamin B5) to deeply hydrate the skin, strengthen the moisture barrier, and prevent dehydration.
• "Glazed Skin" Effect:
  Reviewers mention the product gives a glowing, "glazed donut" look and helps achieve a smooth, even texture, making it an excellent prep step before applying makeup.
• Texture and Use:
  The formula has a lightweight, fast-absorbing, non-sticky texture and is suitable for daily use. It is recommended for all skin types, especially those with dry, flaky, or sensitive skin. 

How to Use Apply : one full dropper of the Numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum on clean skin before applying other skincare products. Gently pat it in for better absorption. Due to the acid content, it is recommended
to follow with sunscreen when using it during the day.