Gracie

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration vs Sulwhasoo Overnight Vitalizing Mask

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores 9.3/9.8 vs Sulwhasoo Overnight Vitalizing Mask at 9.0/9.8. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration wins for active ingredients.

Head to head

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration
Element Eight

O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration

serumluxury
9.3
VS
Sulwhasoo Overnight Vitalizing Mask
Sulwhasoo

Overnight Vitalizing Mask

maskluxury
9.0

Score comparison

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration edges ahead, winning 2 of 5 attributes.

2
2
1
Element Eight wins 2
Tied 2
Sulwhasoo wins 1
9.3Element Eight
+0.3vs
9.0Sulwhasoo

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

Sulwhasoo WINS
6.9
9.8
Element Eight
Sulwhasoo

Irritation Risk

TIE
9.5
9.5
Element Eight
Sulwhasoo

Active Ingredient Strength

Element Eight WINS
8.8
4.9
Element Eight
Sulwhasoo

Ingredient Transparency

TIE
8.8
8.8
Element Eight
Sulwhasoo

Formulation Safety

Element Eight WINS
9.0
8.0
Element Eight
Sulwhasoo

Ingredient face-off

10% overlap
31Element Eight
5Shared
52Sulwhasoo

Why Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration comes out ahead

Where Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration really shines is active ingredient strength, scoring 8.8 compared to Sulwhasoo Overnight Vitalizing Mask's 4.9. Its formula features Niacinamide, Acetyl Hexapeptide-8, and Pentapeptide-18 in high positions, signalling meaningful concentrations.

Hydration Efficacy is another area of separation. Sulwhasoo Overnight Vitalizing Mask scores 9.8 here versus 6.9 for Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration. That difference comes down to how each formula is built — the ingredient list tells the story.

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration brings Niacinamide, Acetyl Hexapeptide-8, and Pentapeptide-18 as actives, while sulwhasoo Overnight Vitalizing Mask relies on Camellia Sinensis Leaf Extract, Panax Ginseng Root Extract, and Ophiopogon Japonicus Root Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration is better if you have

  • Sensitive skin — the low-irritation formula keeps things gentle
  • Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
  • 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

Both sit in the luxury bracket, so value comes down to formulation quality. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration gets the nod here with its 9.3 overall score — you're getting more for a similar outlay.

Our verdict

✶ Our verdict
+0.3 lead

Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration edges ahead with a slightly stronger formulation, but Sulwhasoo Overnight Vitalizing Mask is still a solid pick.

9.3Element Eight
vs
9.0Sulwhasoo

Frequently asked questions

Which is better: Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration or Sulwhasoo Overnight Vitalizing Mask?

Based on ingredient analysis, Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores higher overall. See the full score breakdown above for details on each attribute.

Do Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration 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 Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration 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.