COSRX The 6 Peptide Skin Booster Serum vs Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration
COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration scores 8.4/9.8 — a near-tie where your skin type decides the winner.
Head to head
The 6 Peptide Skin Booster Serum
Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Dr. Barbara Sturm WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
25% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
30 unique
Shared ingredients
10 in common
Only in Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration
30 unique
Why these two are neck and neck
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration 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.
COSRX The 6 Peptide Skin Booster Serum brings Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate as actives, while dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration relies on Tocopherol, Ceramide Np, and Ceramide Ap. 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. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration 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
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum delivers strong value. Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration sits at the luxury level with a 8.4 score — the extra cost doesn't translate to better scores here.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration?
Based on ingredient analysis, COSRX The 6 Peptide Skin Booster Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and Dr. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration 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. Barbara Sturm Super Anti-Aging Dual Serum — Multi-Phase Hyaluronic Acid & Ceramide-Peptide Serum to Reduce Fine Lines, Boost Firmness & Deep Hydration?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.