QRxLabs S-HDRO1-2 Serum
- Serum
- All
- 2 fl oz
- Serum
- More reviewed than 85%
A straightforward hyaluronic acid and vitamin B5 serum, a reasonable pick for daily hydration if you are not chasing a specific active like retinol or vitamin C.
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How it ranks among the 293 serums we track
4.5★ across 2,000 Amazon ratings, Bayesian-smoothed toward the category average.
2,000 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand 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: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
QRxLabs S-HDRO1-2 is a hyaluronic acid serum boosted with vitamin B5, sold in a 2 fluid ounce bottle that is unscented and positioned for all skin types rather than one specific skin concern.
Hyaluronic acid serums work by drawing moisture into the skin's surface, and pairing it with vitamin B5 (panthenol) is a common combination aimed at soothing alongside hydration. At 2 fluid ounces the bottle is larger than many serum offerings, which suits daily use over months.
- 2 fl oz serum
- Hyaluronic acid plus vitamin B5
- Unscented
- For all skin types
Who it's for
Anyone wanting a basic hydrating serum layer without added fragrance, across skin types since none is singled out.
Strengths and trade-offs
Drawn from this product's published specifications.
- Larger 2 fluid ounce size than many serums
- Simple two ingredient focus on hydration
- No stated actives beyond hyaluronic acid and vitamin B5
- No listed reviews to confirm results
Performance notes
Hyaluronic acid can hold many times its weight in water, so a serum built around it functions mainly as a hydration layer applied before a moisturizer. Vitamin B5 is typically included to support the skin barrier alongside that hydration.
Specifications
| Brand | QRxLabs |
|---|---|
| Model | S-HDRO1-2 |
| Dimensions & fit | |
| Size | 2 fl oz |
| Other details | |
| Skin Type | All |
| Item Form | Serum |
| Scent | Unscented |
| Key Ingredients | Hyaluronic Acid, Vitamin B5 |
| Features | Natural |
Other QRxLabs serums
How it compares
This product against the closest alternatives we track in serums.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| QRxLabs S-HDRO1-2 SerumThis product | 4.5 / 5 | 2,000 | 4.0 / 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 QRxLabs S-HDRO1-2
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What are the main ingredients in the QRxLabs serum?
Hyaluronic acid and vitamin B5.
Is this serum scented?
No, it is unscented.
How large is the bottle?
2 fluid ounces.