INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 9.3/9.8 vs INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid at 8.8/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for hydration.
Head to head
Skin Prep Brightening & Exfoliating Pads with Glycolic Acid
Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
Score comparison
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Kiehl's Since 1851 WINSIrritation Risk
TIEActive Ingredient Strength
Kiehl's Since 1851 WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
13% overlapOnly in INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid
27 unique
Only in Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
34 unique
Why Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide comes out ahead
Where Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide really shines is hydration efficacy, scoring 9.4 compared to INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid's 7.4. With Glycerin, Butylene Glycol, and Pentylene Glycol in its top ingredients, Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 7.7 here versus 5.9 for INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid. That difference comes down to how each formula is built — the ingredient list tells the story.
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide brings Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine as actives, while iNNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid relies on Glycolic Acid, Gluconolactone, and Ectoin. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Pentylene Glycol
- Anyone who prefers clean, well-vetted formulations
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide 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
Value comparison
Both sit in the premium bracket, so value comes down to formulation quality. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide gets the nod here with its 9.3 overall score — you're getting more for a similar outlay.
Our verdict
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead with a slightly stronger formulation, but INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid is still a solid pick.
Frequently asked questions
Which is better: INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?
Based on ingredient analysis, Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores higher overall. See the full score breakdown above for details on each attribute.
Do INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.