COSRX The 6 Peptide Skin Booster Serum vs INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides
INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides scores 8.9/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides wins for active ingredients.
Head to head
The 6 Peptide Skin Booster Serum
Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides
Score comparison
INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
INNBEAUTY PROJECT WINSIrritation Risk
TIEActive Ingredient Strength
INNBEAUTY PROJECT WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
31% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
25 unique
Shared ingredients
15 in common
Only in INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides
33 unique
Why INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides comes out ahead
Where INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides really shines is active ingredient strength, scoring 7.6 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Dioscorea Villosa (Wild Yam) Root Extract, Ceramide Np, and Niacinamide in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides scores 9.8 here versus 9.2 for COSRX The 6 Peptide Skin Booster Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides brings Dioscorea Villosa (Wild Yam) Root Extract, Ceramide Np, and Niacinamide as actives, while cOSRX The 6 Peptide Skin Booster Serum relies on Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The 6 Peptide Skin Booster Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
- Anyone who prefers clean, well-vetted formulations
INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides 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 — Dioscorea Villosa (Wild Yam) Root Extract does the heavy lifting
Value comparison
COSRX The 6 Peptide Skin Booster Serum comes in at mid-range pricing with a 8.5 score, which is solid value at that tier.
Our verdict
INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides edges ahead with a slightly stronger formulation, but COSRX The 6 Peptide Skin Booster Serum is still a solid pick.
Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides?
Based on ingredient analysis, INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides 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 6 Peptide Skin Booster Serum and INNBEAUTY PROJECT Elastic Skin Firming & Plumping Vegan Growth Factor Serum with Copper Peptides?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.