Round LAB XYDBB-Sb-213 Serum
- Serum
- Sensitive
- Jar
- 1.5 fl oz
- Better rated than 98%
A straightforward hyaluronic acid gel for sensitive skin in a compact jar, useful if you want one hydrating step without added actives.
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How it ranks among the 293 serums we track
4.8★ across 65 Amazon ratings, Bayesian-smoothed toward the category average.
65 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,025+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 293 serums we track - how the scorecard works · full serums data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Round LAB's XYDBB-Sb-213 packages a hyaluronic acid gel serum in a 45 ml jar, formulated for sensitive skin under the brand's hydration-focused serum lineup. It carries a single named active rather than a multi-ingredient treatment blend.
The formula leans on hyaluronic acid alone, so it reads as a gentle hydration layer rather than a treatment for wrinkles, dark spots or texture. Jar packaging is worth noting for anyone who prefers pump dispensing to keep fingers out of the product.
- Gel-textured serum formulated for sensitive skin
- Hyaluronic acid is the sole named active
- Packaged in a 45 ml jar rather than a pump bottle
- Adult age range specified on the listing
Who it's for
Suits people with sensitive skin who want a simple hydrating gel to layer into a routine. Not a fit for anyone expecting brightening or anti-aging actives, since none beyond hyaluronic acid are listed.
Strengths and trade-offs
Drawn from this product's published specifications.
- Hydrating gel formula suited to sensitive skin
- Sized for regular daily use at 45 ml
- Jar packaging means repeated finger contact with the product
- No named actives beyond hyaluronic acid
- Listed model number reads as an internal SKU rather than a consumer name
Performance notes
As a gel, hyaluronic acid draws and holds moisture at the skin surface rather than penetrating deeply. The jar format means repeated finger contact over the life of the product, which some sensitive-skin users prefer to avoid.
Specifications
| Brand | Round LAB |
|---|---|
| Model | XYDBB-Sb-213 |
| Dimensions & fit | |
| Size | 1.5 fl oz |
| Capacity & performance | |
| Age Range | Adult |
| Other details | |
| Skin Type | Sensitive |
| Container | Jar |
| Item Form | Gel |
| Key Ingredients | Hyaluronic Acid |
Other Round LAB serums
How it compares
This product against the closest alternatives we track in serums.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Round LAB XYDBB-Sb-213 SerumThis product | 4.8 / 5 | 65 | 4.1 / 5 |
| Glow Recipe 2404846 SerumGlow Recipe | 4.6 / 5 | 8,400 | 4.6 / 5 |
| mixsoon 8809732910159 Serummixsoon | 4.5 / 5 | 10,127 | 4.5 / 5 |
| Beauty of Joseon 8809738312728 SerumBeauty of Joseon | 4.5 / 5 | 9,461 | 4.5 / 5 |
| medicube 8809982768524 Serummedicube | 4.6 / 5 | 5,103 | 4.5 / 5 |
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Questions about the Round LAB XYDBB-Sb-213
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the key ingredient in the Round LAB XYDBB-Sb-213 Serum?
Hyaluronic acid, formulated in a gel texture for sensitive skin.
How much product comes in the jar?
45 milliliters, about 1.5 fl oz, in jar packaging rather than a pump or dropper.
Is this serum meant for a specific skin type?
Yes, the listing specifies sensitive skin as the intended skin type.