These two serums 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.
Active Ingredient Strength is another area of separation. The Ordinary The Resurface & Hydrate Set with Hyaluronic Acid Serum + AHA scores 6.9 here versus 5.6 for innisfree Green Tea Seed Hyaluronic Acid Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
The Ordinary The Resurface & Hydrate Set with Hyaluronic Acid Serum + AHA brings Glycolic Acid, Salicylic Acid, and Lactic Acid as actives, while innisfree Green Tea Seed Hyaluronic Acid Serum relies on Niacinamide, Adenosine, and Dipotassium Glycyrrhizate. 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. The Ordinary The Resurface & Hydrate Set with Hyaluronic Acid Serum + AHA gets the nod here with its 8.4 overall score — you're getting more for a similar outlay.