Where StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum really shines is active ingredient strength, scoring 9.7 compared to Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment's 5.3. Its formula features Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, and Ascorbic Acid in high positions, signalling meaningful concentrations.
StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum brings Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, and Ascorbic Acid as actives, while tatcha The Texture Tonic AHA Liquid Exfoliating Treatment relies on Niacinamide, Camellia Sinensis Leaf Extract, and Cladosiphon Okamuranus Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the premium bracket, so value comes down to formulation quality. StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum gets the nod here with its 9.2 overall score — you're getting more for a similar outlay.