Sulwhasoo Overnight Vitalizing Mask vs U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol
Sulwhasoo Overnight Vitalizing Mask scores 9.0/9.8 vs U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol at 8.6/9.8. Sulwhasoo Overnight Vitalizing Mask wins for hydration.
Head to head
Overnight Vitalizing Mask

The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol
Score comparison
Sulwhasoo Overnight Vitalizing Mask edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Sulwhasoo WINSIrritation Risk
TIEActive Ingredient Strength
U Beauty WINSIngredient Transparency
Sulwhasoo WINSFormulation Safety
U Beauty WINSIngredient face-off
20% overlapOnly in Sulwhasoo Overnight Vitalizing Mask
41 unique
Shared ingredients
11 in common
Only in U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol
43 unique
Why Sulwhasoo Overnight Vitalizing Mask comes out ahead
Where Sulwhasoo Overnight Vitalizing Mask really shines is hydration efficacy, scoring 9.8 compared to U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol's 8.4. With Butylene Glycol, Glycerin, and Honey in its top ingredients, Sulwhasoo Overnight Vitalizing Mask delivers stronger moisture-binding capability.
Formulation Safety is another area of separation. U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol scores 9.0 here versus 8.0 for Sulwhasoo Overnight Vitalizing Mask. That difference comes down to how each formula is built — the ingredient list tells the story.
Sulwhasoo Overnight Vitalizing Mask brings Camellia Sinensis Leaf Extract, Panax Ginseng Root Extract, and Ophiopogon Japonicus Root Extract as actives, while u Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol relies on Retinyl Linoleate, Tocopheryl Acetate, and Citrullus Lanatus (Watermelon) Fruit Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Sulwhasoo Overnight Vitalizing Mask 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
U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol 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
Value comparison
Both sit in the luxury bracket, so value comes down to formulation quality. Sulwhasoo Overnight Vitalizing Mask gets the nod here with its 9.0 overall score — you're getting more for a similar outlay.
Our verdict
Sulwhasoo Overnight Vitalizing Mask edges ahead with a slightly stronger formulation, but U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol is still a solid pick.

Frequently asked questions
Which is better: Sulwhasoo Overnight Vitalizing Mask or U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol?
Based on ingredient analysis, Sulwhasoo Overnight Vitalizing Mask scores higher overall. See the full score breakdown above for details on each attribute.
Do Sulwhasoo Overnight Vitalizing Mask and U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Sulwhasoo Overnight Vitalizing Mask and U Beauty The SMOOTH Dynamic Wrinkle Defense Serum with Copper Peptides + Retinol?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.