Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ vs Sunday Riley B3 Nice 10% Niacinamide Serum
Sunday Riley B3 Nice 10% Niacinamide Serum scores 8.5/9.8 vs Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ at 8.2/9.8. Sunday Riley B3 Nice 10% Niacinamide Serum wins for hydration.
Head to head
Hyaluronic Acid Watery Sun Gel SPF 50+
B3 Nice 10% Niacinamide Serum
Score comparison
Sunday Riley B3 Nice 10% Niacinamide Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: June 2026
Attribute battle
Hydration Efficacy
Isntree WINSIrritation Risk
TIEActive Ingredient Strength
Sunday Riley WINSIngredient Transparency
Isntree WINSFormulation Safety
TIEIngredient face-off
7% overlapOnly in Isntree Hyaluronic Acid Watery Sun Gel SPF 50+
35 unique
Only in Sunday Riley B3 Nice 10% Niacinamide Serum
38 unique
Why Sunday Riley B3 Nice 10% Niacinamide Serum comes out ahead
Where Sunday Riley B3 Nice 10% Niacinamide Serum really shines is hydration efficacy, scoring 5.1 compared to Isntree Hyaluronic Acid Watery Sun Gel SPF 50+'s 8.0. With Glycerin, Dimethyl Isosorbide, and Betaine in its top ingredients, Sunday Riley B3 Nice 10% Niacinamide Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Sunday Riley B3 Nice 10% Niacinamide Serum scores 7.6 here versus 6.5 for Isntree Hyaluronic Acid Watery Sun Gel SPF 50+. That difference comes down to how each formula is built — the ingredient list tells the story.
Sunday Riley B3 Nice 10% Niacinamide Serum brings Niacinamide, Resveratrol, and Asiaticoside as actives, while isntree Hyaluronic Acid Watery Sun Gel SPF 50+ relies on Niacinamide, Ceramide Np, and Centella Asiatica Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Anyone who prefers clean, well-vetted formulations
Sunday Riley B3 Nice 10% Niacinamide Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
- Anyone who prefers clean, well-vetted formulations
Value comparison
At budget pricing with a score of 8.2, Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is a decent pick. Sunday Riley B3 Nice 10% Niacinamide Serum sits at the premium level with a 8.5 score — the higher investment pays off in formulation quality.
Our verdict
Sunday Riley B3 Nice 10% Niacinamide Serum edges ahead with a slightly stronger formulation, but Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is still a solid pick.
Frequently asked questions
Which is better: Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ or Sunday Riley B3 Nice 10% Niacinamide Serum?
Based on ingredient analysis, Sunday Riley B3 Nice 10% Niacinamide Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ and Sunday Riley B3 Nice 10% Niacinamide Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ and Sunday Riley B3 Nice 10% Niacinamide Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.