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Anua Niacinamide 10% + TXA 4% Serum scores 8.8/9.8 vs Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ at 8.2/9.8. Anua Niacinamide 10% + TXA 4% Serum wins for active ingredients.
Anua Niacinamide 10% + TXA 4% Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: April 2026
22 unique
17 in common
20 unique
Where Anua Niacinamide 10% + TXA 4% Serum really shines is active ingredient strength, scoring 8.5 compared to Isntree Hyaluronic Acid Watery Sun Gel SPF 50+'s 5.9. Its formula features Niacinamide, Tranexamic Acid, and Alpha-Arbutin in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Anua Niacinamide 10% + TXA 4% Serum scores 8.4 here versus 7.9 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.
Anua Niacinamide 10% + TXA 4% Serum brings Niacinamide, Tranexamic Acid, and Alpha-Arbutin 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.
Anua Niacinamide 10% + TXA 4% Serum is better if you have
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is better if you have
Both sit in the budget bracket, so value comes down to formulation quality. Anua Niacinamide 10% + TXA 4% Serum gets the nod here with its 8.8 overall score — you're getting more for a similar outlay.
Anua Niacinamide 10% + TXA 4% Serum edges ahead with a slightly stronger formulation, but Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is still a solid pick.
Based on ingredient analysis, Anua Niacinamide 10% + TXA 4% Serum scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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