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.
Hydration Efficacy is another area of separation. innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask scores 7.7 here versus 5.8 for INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask brings Lactobacillus Ferment Lysate, Niacinamide, and Arginine as actives, while iNNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid relies on Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At premium pricing with a score of 8.4, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is a decent pick. innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask sits at the budget level with a 8.5 score — the higher investment pays off in formulation quality.