SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml vs Summer Fridays Midnight Ritual Retinol Renewal Serum
Summer Fridays Midnight Ritual Retinol Renewal Serum scores 8.8/9.8 vs SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml at 8.4/9.8. Summer Fridays Midnight Ritual Retinol Renewal Serum wins for formulation safety.
Head to head

GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml

Midnight Ritual Retinol Renewal Serum
Score comparison
Summer Fridays Midnight Ritual Retinol Renewal Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
SK-II WINSIrritation Risk
TIEActive Ingredient Strength
Summer Fridays WINSIngredient Transparency
SK-II WINSFormulation Safety
Summer Fridays WINSIngredient face-off
15% overlapOnly in SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
29 unique
Shared ingredients
5 in common
Only in Summer Fridays Midnight Ritual Retinol Renewal Serum
29 unique
Why Summer Fridays Midnight Ritual Retinol Renewal Serum comes out ahead
Where Summer Fridays Midnight Ritual Retinol Renewal Serum really shines is formulation safety, scoring 9.0 compared to SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml's 8.0.
Active Ingredient Strength is another area of separation. Summer Fridays Midnight Ritual Retinol Renewal Serum scores 5.9 here versus 5.3 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.
Summer Fridays Midnight Ritual Retinol Renewal Serum brings Retinyl Linoleate, Retinol, and Centella Asiatica Extract 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
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
Summer Fridays Midnight Ritual Retinol Renewal Serum 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
At luxury pricing with a score of 8.4, SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml is a decent pick. Summer Fridays Midnight Ritual Retinol Renewal Serum sits at the premium level with a 8.8 score — the higher investment pays off in formulation quality.
Our verdict
Summer Fridays Midnight Ritual Retinol Renewal Serum edges ahead with a slightly stronger formulation, but SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml is still a solid pick.


Frequently asked questions
Which is better: SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml or Summer Fridays Midnight Ritual Retinol Renewal Serum?
Based on ingredient analysis, Summer Fridays Midnight Ritual Retinol Renewal Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml and Summer Fridays Midnight Ritual Retinol Renewal 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 SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml and Summer Fridays Midnight Ritual Retinol Renewal Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.