COSRX The Blue Peptide Bakuchiol Plump Glow Serum vs IOPE Expert Retinol Serum Hydrogel Face Mask for Firming
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.0/9.8 vs IOPE Expert Retinol Serum Hydrogel Face Mask for Firming at 8.5/9.8. COSRX The Blue Peptide Bakuchiol Plump Glow Serum wins for active ingredients.
Head to head

The Blue Peptide Bakuchiol Plump Glow Serum

Expert Retinol Serum Hydrogel Face Mask for Firming
Score comparison
COSRX The Blue Peptide Bakuchiol Plump Glow Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
22% overlapOnly in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
26 unique
Shared ingredients
10 in common
Only in IOPE Expert Retinol Serum Hydrogel Face Mask for Firming
36 unique
Why COSRX The Blue Peptide Bakuchiol Plump Glow Serum comes out ahead
Where COSRX The Blue Peptide Bakuchiol Plump Glow Serum really shines is active ingredient strength, scoring 8.3 compared to IOPE Expert Retinol Serum Hydrogel Face Mask for Firming's 5.0. Its formula features Niacinamide, Bakuchiol, and Adenosine in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.6 here versus 7.5 for IOPE Expert Retinol Serum Hydrogel Face Mask for Firming. That difference comes down to how each formula is built — the ingredient list tells the story.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum brings Niacinamide, Bakuchiol, and Adenosine as actives, while iOPE Expert Retinol Serum Hydrogel Face Mask for Firming relies on Niacinamide, Chondrus Crispus Extract, and Pyrus Communis (Pear) Fruit Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The Blue Peptide Bakuchiol Plump Glow Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
IOPE Expert Retinol Serum Hydrogel Face Mask for Firming is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 9.0, COSRX The Blue Peptide Bakuchiol Plump Glow Serum delivers strong value. IOPE Expert Retinol Serum Hydrogel Face Mask for Firming sits at the budget level with a 8.5 score — the extra cost doesn't translate to better scores here.
Our verdict
COSRX The Blue Peptide Bakuchiol Plump Glow Serum edges ahead with a slightly stronger formulation, but IOPE Expert Retinol Serum Hydrogel Face Mask for Firming is still a solid pick.


Frequently asked questions
Which is better: COSRX The Blue Peptide Bakuchiol Plump Glow Serum or IOPE Expert Retinol Serum Hydrogel Face Mask for Firming?
Based on ingredient analysis, COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The Blue Peptide Bakuchiol Plump Glow Serum and IOPE Expert Retinol Serum Hydrogel Face Mask for Firming share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between COSRX The Blue Peptide Bakuchiol Plump Glow Serum and IOPE Expert Retinol Serum Hydrogel Face Mask for Firming?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.