COSRX The 6 Peptide Skin Booster Serum vs Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment
Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment scores 9.1/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment wins for active ingredients.
Head to head
The 6 Peptide Skin Booster Serum
Vitamin C Lactic Firm & Bright Eye Treatment
Score comparison
Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
Dr. Dennis Gross Skincare WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
21% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
30 unique
Shared ingredients
10 in common
Only in Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment
37 unique
Why Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment comes out ahead
Where Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment really shines is active ingredient strength, scoring 9.8 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Tetrahexyldecyl Ascorbate, Ascorbic Acid, and Lactic Acid in high positions, signalling meaningful concentrations.
Ingredient Transparency is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 8.8 here versus 8.5 for Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment. That difference comes down to how each formula is built — the ingredient list tells the story.
Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment brings Tetrahexyldecyl Ascorbate, Ascorbic Acid, and Lactic Acid 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
Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Sodium Pca
- Targeting specific concerns like aging or uneven tone — Tetrahexyldecyl Ascorbate does the heavy lifting
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment sits at the premium level with a 9.1 score — the higher investment pays off in formulation quality.
Our verdict
Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment 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 Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment?
Based on ingredient analysis, Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment 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 Dr. Dennis Gross Skincare Vitamin C Lactic Firm & Bright Eye Treatment?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.