CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid vs COSRX The 6 Peptide Skin Booster Serum
CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid scores 8.5/9.8 and COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 — a near-tie where your skin type decides the winner.
Head to head

Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid

The 6 Peptide Skin Booster Serum
Score comparison
These two are neck and neck — just 0.0 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
CLINIQUE WINSIrritation Risk
TIEActive Ingredient Strength
CLINIQUE WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
21% overlapOnly in CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid
37 unique
Shared ingredients
10 in common
Only in COSRX The 6 Peptide Skin Booster Serum
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. CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid 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.
CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid brings Ascorbyl Glucoside, Tocopheryl Acetate, and Hypnea Musciformis (Algae) Extract 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
CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid 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 — Ascorbyl Glucoside does the heavy lifting
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
Value comparison
At luxury pricing with a score of 8.5, CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid is a decent pick. COSRX The 6 Peptide Skin Booster Serum sits at the mid-range level with a 8.5 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: CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid or COSRX The 6 Peptide Skin Booster Serum?
Based on ingredient analysis, CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid scores higher overall. See the full score breakdown above for details on each attribute.
Do CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid and COSRX The 6 Peptide Skin Booster 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 CLINIQUE Smart Clinical Repair™ Wrinkle Correcting Anti-Aging Serum with 1% Retinoid and COSRX The 6 Peptide Skin Booster Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.