COSRX The Blue Peptide Bakuchiol Plump Glow Serum vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 8.8/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. COSRX The Blue Peptide Bakuchiol Plump Glow Serum wins for hydration.
Head to head
The Blue Peptide Bakuchiol Plump Glow Serum
KateCeuticals® SuperCell Rejuvenation Peptide Serum
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
11% overlapOnly in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
31 unique
Only in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
17 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 hydration efficacy, scoring 9.4 compared to Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 6.5. With Butylene Glycol, Glycerin, and Dipropylene Glycol in its top ingredients, COSRX The Blue Peptide Bakuchiol Plump Glow Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 7.4 here versus 5.0 for Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum. 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 kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum relies on Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-2, Zingiber Officinale (Ginger) Root Extract, and Bisabolol. 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
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 8.8, COSRX The Blue Peptide Bakuchiol Plump Glow Serum delivers strong value. Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum sits at the luxury level with a 8.4 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is still a solid pick.
Frequently asked questions
Which is better: COSRX The Blue Peptide Bakuchiol Plump Glow Serum or Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum?
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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.