Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane vs Sulwhasoo Overnight Vitalizing Mask
Sulwhasoo Overnight Vitalizing Mask scores 9.0/9.8 vs Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane at 5.1/9.8. Sulwhasoo Overnight Vitalizing Mask wins for hydration.
Head to head
Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane
Overnight Vitalizing Mask
Score comparison
Sulwhasoo Overnight Vitalizing Mask takes this one, winning 3 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Sulwhasoo WINSIrritation Risk
TIEActive Ingredient Strength
Sulwhasoo WINSIngredient Transparency
Sulwhasoo WINSFormulation Safety
Kiehl's Since 1851 WINSIngredient face-off
8% overlapOnly in Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane
12 unique
Only in Sulwhasoo Overnight Vitalizing Mask
48 unique
Why Sulwhasoo Overnight Vitalizing Mask comes out ahead
Where Sulwhasoo Overnight Vitalizing Mask really shines is hydration efficacy, scoring 9.8 compared to Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane's 3.6. With Butylene Glycol, Glycerin, and Honey in its top ingredients, Sulwhasoo Overnight Vitalizing Mask delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Sulwhasoo Overnight Vitalizing Mask scores 4.9 here versus 2.2 for Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane. 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 kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane relies on Pseudoalteromonas Ferment Extract and Salicylic Acid. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
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
Value comparison
At premium pricing with a score of 5.1, Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane is a decent pick. Sulwhasoo Overnight Vitalizing Mask sits at the luxury level with a 9.0 score — the higher investment pays off in formulation quality.
Our verdict
Sulwhasoo Overnight Vitalizing Mask wins this comparison with a meaningfully stronger ingredient profile and overall score.
Frequently asked questions
Which is better: Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane or Sulwhasoo Overnight Vitalizing Mask?
Based on ingredient analysis, Sulwhasoo Overnight Vitalizing Mask scores higher overall. See the full score breakdown above for details on each attribute.
Do Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane and Sulwhasoo Overnight Vitalizing Mask share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Kiehl's Since 1851 Ultra Facial Overnight Hydrating Face Mask with 10.5% Squalane and Sulwhasoo Overnight Vitalizing Mask?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.