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Medicube Deep Vita A Retinol Serum scores 8.9/9.8 vs INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid at 8.4/9.8. Medicube Deep Vita A Retinol Serum wins for hydration.
Medicube Deep Vita A Retinol Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: June 2026
29 unique
8 in common
Where Medicube Deep Vita A Retinol Serum really shines is hydration efficacy, scoring 9.8 compared to INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid's 5.8. With Dipropylene Glycol, Butylene Glycol, and Glycerin in its top ingredients, Medicube Deep Vita A Retinol Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores 9.8 here versus 6.7 for Medicube Deep Vita A Retinol Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Medicube Deep Vita A Retinol Serum brings Niacinamide, Allantoin, and Dipotassium Glycyrrhizate 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.
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is better if you have
Medicube Deep Vita A Retinol Serum is better if you have
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid comes in at premium pricing with a 8.4 score, which is solid value at that tier.
Medicube Deep Vita A Retinol Serum edges ahead with a slightly stronger formulation, but INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is still a solid pick.
Based on ingredient analysis, Medicube Deep Vita A Retinol Serum scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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