Rejuran Dual Effect Ampoule In Mask Firming & Radiance vs SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
Rejuran Dual Effect Ampoule In Mask Firming & Radiance scores 8.4/9.8 and SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml scores 8.4/9.8 — a near-tie where your skin type decides the winner.
Head to head

Dual Effect Ampoule In Mask Firming & Radiance

GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
Score comparison
These two are neck and neck — just 0.0 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Rejuran WINSIrritation Risk
TIEActive Ingredient Strength
Rejuran WINSIngredient Transparency
SK-II WINSFormulation Safety
Rejuran WINSIngredient face-off
26% overlapOnly in Rejuran Dual Effect Ampoule In Mask Firming & Radiance
26 unique
Shared ingredients
9 in common
Only in SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
25 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.
Formulation Safety is another area of separation. Rejuran Dual Effect Ampoule In Mask Firming & Radiance scores 9.0 here versus 8.0 for SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml. That difference comes down to how each formula is built — the ingredient list tells the story.
Rejuran Dual Effect Ampoule In Mask Firming & Radiance brings Glycyrrhiza Glabra Root Extract, Calendula Officinalis Flower Extract, and Niacinamide as actives, while sK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml relies on Galactomyces Ferment Filtrate, Niacinamide, and Bisabolol. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Rejuran Dual Effect Ampoule In Mask Firming & Radiance is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Aloe Barbadensis Leaf Juice
- Anyone who prefers clean, well-vetted formulations
SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml 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 mid-range pricing with a score of 8.4, Rejuran Dual Effect Ampoule In Mask Firming & Radiance is a decent pick. SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml sits at the luxury level with a 8.4 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: Rejuran Dual Effect Ampoule In Mask Firming & Radiance or SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml?
Based on ingredient analysis, Rejuran Dual Effect Ampoule In Mask Firming & Radiance scores higher overall. See the full score breakdown above for details on each attribute.
Do Rejuran Dual Effect Ampoule In Mask Firming & Radiance and SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Rejuran Dual Effect Ampoule In Mask Firming & Radiance and SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.