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Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ scores 8.2/9.8 and SK-II R.N.A. Power Airy Milky Lotion scores 8.0/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.2 points apart.
Scores last verified: April 2026
30 unique
7 in common
16 unique
These two spfs take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. SK-II R.N.A. Power Airy Milky Lotion scores 8.3 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.
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ brings Niacinamide, Ceramide Np, and Centella Asiatica Extract as actives, while sK-II R.N.A. Power Airy Milky Lotion relies on Niacinamide, Adenosine, and Tocopheryl Acetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is better if you have
SK-II R.N.A. Power Airy Milky Lotion is better if you have
At budget pricing with a score of 8.2, Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ delivers strong value. SK-II R.N.A. Power Airy Milky Lotion sits at the luxury level with a 8.0 score — the extra cost doesn't translate to better scores here.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Based on ingredient analysis, Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ 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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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.