Where INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid really shines is active ingredient strength, scoring 9.8 compared to Beauty of Joseon Revive Retinol Firming Moisturizer for Plumping & Firming's 3.9. Its formula features Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Beauty of Joseon Revive Retinol Firming Moisturizer for Plumping & Firming scores 9.4 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.
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid brings Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid as actives, while beauty of Joseon Revive Retinol Firming Moisturizer for Plumping & Firming relies on Camellia Japonica Seed Oil, Allantoin, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At mid-range pricing with a score of 8.7, Beauty of Joseon Revive Retinol Firming Moisturizer for Plumping & Firming is a decent pick. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid sits at the premium level with a 9.5 score — the higher investment pays off in formulation quality.
