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IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ 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 IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ at 8.6/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for active ingredients.

Head to head

IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+
IT Cosmetics

Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+

moisturiser
8.6
Buy at Amazon
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

serumpremium
9.3

Score comparison

Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead, winning 2 of 5 attributes.

2
3
IT Cosmetics wins 2
Tied 3
Kiehl's Since 1851 wins 0
8.6IT Cosmetics
+0.7vs
9.3Kiehl's Since 1851

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

TIE
9.2
9.4
IT Cosmetics
Kiehl's Since 1851

Irritation Risk

TIE
9.5
9.5
IT Cosmetics
Kiehl's Since 1851

Active Ingredient Strength

IT Cosmetics WINS
8.9
7.7
IT Cosmetics
Kiehl's Since 1851

Ingredient Transparency

IT Cosmetics WINS
8.8
8.5
IT Cosmetics
Kiehl's Since 1851

Formulation Safety

TIE
9.0
9.0
IT Cosmetics
Kiehl's Since 1851

Ingredient face-off

8% overlap
73IT Cosmetics
6Shared
39Kiehl's Since 1851

Only in IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+

67 unique

WaterDimethiconeButylene Glycol Dicaprylate/DicaprateCyclopentasiloxaneDimethicone/Vinyl Dimethicone CrosspolymerButyloctyl SalicylateCetyl Peg/Ppg-10/1 DimethiconeSnail Secretion FiltrateBis-Diglyceryl Polyacyladipate-2Curcuma Longa (Turmeric) Root Extract+57 more

Shared ingredients

6 in common

Butylene GlycolSodium ChlorideGlycerinNiacinamidePhenoxyethanolPentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate

Only in Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

33 unique

Aqua/WaterPentylene GlycolCetyl AlcoholIsohexadecaneIsononyl IsononanoateDiisopropyl Sebacate2-Oleamido-13-OctadecanediolAcetyl Dipeptide-1 Cetyl EsterAdenosine+23 more

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 active ingredient strength, scoring 7.7 compared to IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+'s 8.9. Its formula features Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine in high positions, signalling meaningful concentrations.

Ingredient Transparency is another area of separation. IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ scores 8.8 here versus 8.5 for Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide. 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 iT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ relies on Snail Secretion Filtrate, Niacinamide, and Curcuma Longa (Turmeric) Root Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ 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 Dicaprylate/Dicaprate
  • Targeting specific concerns like aging or uneven tone — Snail Secretion Filtrate does the heavy lifting

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

Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide comes in at premium pricing with a 9.3 score, which is solid value at that tier.

Our verdict

✶ Our verdict
+0.7 lead

Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead with a slightly stronger formulation, but IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ is still a solid pick.

8.6IT Cosmetics
vs
9.3Kiehl's Since 1851

Frequently asked questions

Which is better: IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ 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 IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ 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 IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ 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.

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Full analysis: IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ →Full analysis: Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide →

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