Where StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum really shines is active ingredient strength, scoring 9.7 compared to innisfree Daily Vitamin C Korean Brightening Toner Pads with Niacinamide for Dark Spots's 4.6. Its formula features Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, and Ascorbic Acid in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. innisfree Daily Vitamin C Korean Brightening Toner Pads with Niacinamide for Dark Spots scores 8.3 here versus 5.8 for StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum brings Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, and Ascorbic Acid as actives, while innisfree Daily Vitamin C Korean Brightening Toner Pads with Niacinamide for Dark Spots relies on Niacinamide, Allantoin, and Magnesium Ascorbyl Phosphate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At mid-range pricing with a score of 8.7, innisfree Daily Vitamin C Korean Brightening Toner Pads with Niacinamide for Dark Spots is a decent pick. StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum sits at the premium level with a 9.2 score — the higher investment pays off in formulation quality.
