Where Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ really shines is active ingredient strength, scoring 6.5 compared to Beauty of Joseon Day Dew Mini Keychain Set's 2.9. Its formula features Niacinamide, Ceramide Np, and Centella Asiatica Extract in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ scores 8.0 here versus 5.5 for Beauty of Joseon Day Dew Mini Keychain Set. 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 beauty of Joseon Day Dew Mini Keychain Set relies on Niacinamide, Tocopheryl Acetate, and Oryza Sativa (Rice) Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the budget bracket, so value comes down to formulation quality. Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ gets the nod here with its 8.2 overall score — you're getting more for a similar outlay.