The Verdict: A Potent Performer in a Tricky Package
If you are looking for an eye cream that doesn't just sit on the surface, the numbuzin No.9 NAD+ Retinol Eye Cream for Dark Circles, Puffiness, Crow's Feet with 50 Peptides, 4% Niacinamide & Ceramid is a serious contender. It combines a heavy-hitting roster of ingredients—NAD+, retinol, 50 peptides, and niacinamide—to target the most common signs of aging. After testing, it’s clear that this formula is designed for results, though the delivery system might require a learning curve.
Who It’s For
This treatment is best suited for those concerned with fine lines, puffiness, and persistent dark circles. Because it contains retinol, it is ideal for those looking to level up their anti-aging routine, provided their skin can tolerate active ingredients.
Why It Works
The texture is notably rich and luxurious, providing an immediate boost of hydration that lasts throughout the day. Many users report a visible smoothing effect on fine lines and a subtle, radiant glow that helps mask fatigue. A little goes a long way, making the product last longer than its size might suggest.
The Downsides
While the formula is stellar, the packaging is the primary point of contention. The syringe-style applicator is often described as confusing or cumbersome, making it difficult to gauge exactly how much product remains. Additionally, because of the retinol content, those with sensitive skin should proceed with caution; over-application can lead to irritation or a slight white cast.
Quick Summary
- Pros: Deeply hydrating, visibly reduces puffiness, and features a high-performance ingredient list.
- Cons: The syringe packaging is frustrating and it may cause sensitivity for those new to retinol.
Pro-Tip: If you have sensitive skin, start by using this every other night to allow your skin to adjust to the retinol and peptide complex.




