Gracie

COSRX The 6 Peptide Skin Booster Serum vs Lancôme Renergie C.R.X. Triple Serum Retinol

Lancôme Renergie C.R.X. Triple Serum Retinol scores 9.7/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. Lancôme Renergie C.R.X. Triple Serum Retinol wins for active ingredients.

Head to head

COSRX The 6 Peptide Skin Booster Serum
COSRX

The 6 Peptide Skin Booster Serum

serummid-range
8.5
VS
Lancôme Renergie C.R.X. Triple Serum Retinol
Lancôme

Renergie C.R.X. Triple Serum Retinol

serumluxury
9.7

Score comparison

Lancôme Renergie C.R.X. Triple Serum Retinol takes this one, winning 2 of 5 attributes.

2
1
2
COSRX wins 2
Tied 1
Lancôme wins 2
8.5COSRX
+1.2vs
9.7Lancôme

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

Lancôme WINS
9.2
9.8
COSRX
Lancôme

Irritation Risk

COSRX WINS
9.5
9.2
COSRX
Lancôme

Active Ingredient Strength

Lancôme WINS
6.5
9.8
COSRX
Lancôme

Ingredient Transparency

COSRX WINS
8.8
8.5
COSRX
Lancôme

Formulation Safety

TIE
9.0
9.0
COSRX
Lancôme

Why Lancôme Renergie C.R.X. Triple Serum Retinol comes out ahead

Where Lancôme Renergie C.R.X. Triple Serum Retinol really shines is active ingredient strength, scoring 9.8 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Ascorbic Acid, Adenosine, and Ceramide Ap in high positions, signalling meaningful concentrations.

Hydration Efficacy is another area of separation. Lancôme Renergie C.R.X. Triple Serum Retinol scores 9.8 here versus 9.2 for COSRX The 6 Peptide Skin Booster Serum. That difference comes down to how each formula is built — the ingredient list tells the story.

Lancôme Renergie C.R.X. Triple Serum Retinol brings Ascorbic Acid, Adenosine, and Ceramide Ap as actives, while cOSRX The 6 Peptide Skin Booster Serum relies on Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

COSRX The 6 Peptide Skin Booster Serum is better if you have

  • Sensitive skin — the low-irritation formula keeps things gentle
  • Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
  • Anyone who prefers clean, well-vetted formulations

Lancôme Renergie C.R.X. Triple Serum Retinol is better if you have

  • Sensitive skin — the low-irritation formula keeps things gentle
  • Dry or dehydrated skin that craves moisture, thanks to Propylene Glycol
  • Targeting specific concerns like aging or uneven tone — Ascorbic Acid does the heavy lifting

Value comparison

At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. Lancôme Renergie C.R.X. Triple Serum Retinol sits at the luxury level with a 9.7 score — the higher investment pays off in formulation quality.

Our verdict

✶ Our verdict
+1.2 lead

Lancôme Renergie C.R.X. Triple Serum Retinol wins this comparison with a meaningfully stronger ingredient profile and overall score.

8.5COSRX
vs
9.7Lancôme

Frequently asked questions

Which is better: COSRX The 6 Peptide Skin Booster Serum or Lancôme Renergie C.R.X. Triple Serum Retinol?

Based on ingredient analysis, Lancôme Renergie C.R.X. Triple Serum Retinol scores higher overall. See the full score breakdown above for details on each attribute.

Do COSRX The 6 Peptide Skin Booster Serum and Lancôme Renergie C.R.X. Triple Serum Retinol share ingredients?

Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.

What's the main difference between COSRX The 6 Peptide Skin Booster Serum and Lancôme Renergie C.R.X. Triple Serum Retinol?

The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.