Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum vs Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 8.9/9.8 and Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask scores 9.2/9.8 — a near-tie where your skin type decides the winner.
Head to head
Retinol Skin-Renewing Daily Micro-Dose Serum
Overnight Barrier Hydrating Bio-Collagen Recovery Mask
Score comparison
These two are neck and neck — just 0.3 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Kiehl's WINSIrritation Risk
TIEActive Ingredient Strength
Peace Out WINSIngredient Transparency
Peace Out WINSFormulation Safety
TIEIngredient face-off
14% overlapOnly in Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum
36 unique
Shared ingredients
6 in common
Only in Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask
32 unique
Why these two are neck and neck
These two masks 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.
Active Ingredient Strength is another area of separation. Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask scores 9.7 here versus 7.8 for Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask brings Niacinamide, Houttuynia Cordata Extract, and Hydrolyzed Collagen as actives, while kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum relies on Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Kiehl's Retinol Skin-Renewing Daily Micro-Dose 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
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask 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
Value comparison
At premium pricing with a score of 8.9, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum is a decent pick. Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask sits at the budget level with a 9.2 score — the higher investment pays off in formulation quality.
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: Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum or Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask?
Based on ingredient analysis, Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask scores higher overall. See the full score breakdown above for details on each attribute.
Do Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum and Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery 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 Retinol Skin-Renewing Daily Micro-Dose Serum and Peace Out Overnight Barrier Hydrating Bio-Collagen Recovery Mask?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.