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.
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid brings Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid as actives, while striVectin Super-C Retinol Brighten & Correct Vitamin C Serum relies on Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, and Ascorbic Acid. 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. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid gets the nod here with its 8.4 overall score — you're getting more for a similar outlay.