Clarins Smooth, Glow-Up & Go Set vs COSRX The 6 Peptide Skin Booster Serum
Clarins Smooth, Glow-Up & Go Set scores 8.7/9.8 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

Smooth, Glow-Up & Go Set

The 6 Peptide Skin Booster Serum
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Clarins WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
17% overlapOnly in Clarins Smooth, Glow-Up & Go Set
55 unique
Shared ingredients
11 in common
Only in COSRX The 6 Peptide Skin Booster Serum
29 unique
Why these two are neck and neck
These two moisturisers 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. Clarins Smooth, Glow-Up & Go Set 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.
Clarins Smooth, Glow-Up & Go Set brings Niacinamide, Extract, and Tocopheryl Acetate 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
Clarins Smooth, Glow-Up & Go Set is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Anyone who prefers clean, well-vetted formulations
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
Both sit in the mid-range bracket, so value comes down to formulation quality. Clarins Smooth, Glow-Up & Go Set gets the nod here with its 8.7 overall score — you're getting more for a similar outlay.
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: Clarins Smooth, Glow-Up & Go Set or COSRX The 6 Peptide Skin Booster Serum?
Based on ingredient analysis, Clarins Smooth, Glow-Up & Go Set scores higher overall. See the full score breakdown above for details on each attribute.
Do Clarins Smooth, Glow-Up & Go Set 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 Clarins Smooth, Glow-Up & Go Set 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.