Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid vs SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid scores 8.5/9.8 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

Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid

GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Murad WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
SK-II WINSFormulation Safety
Murad WINSIngredient face-off
19% overlapOnly in Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid
39 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. Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid scores 8.5 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.
Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid brings Retinol, Ceramide Np, and Solanum Lycopersicum (Tomato) Fruit 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
Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Propanediol
- 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
Both sit in the luxury bracket, so value comes down to formulation quality. Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid gets the nod here with its 8.5 overall score — you're getting more for a similar outlay.
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: Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid or SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml?
Based on ingredient analysis, Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid scores higher overall. See the full score breakdown above for details on each attribute.
Do Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid 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 Murad Retinol Youth Renewal Firming & Smoothing Serum with Hyaluronic Acid 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.