Gracie

COSRX The 6 Peptide Skin Booster Serum vs Shani Darden Skin Care Triple Acid Signature Peel

COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and Shani Darden Skin Care Triple Acid Signature Peel scores 8.4/9.8 — a near-tie where your skin type decides the winner.

Head to head

COSRX The 6 Peptide Skin Booster Serum
COSRX

The 6 Peptide Skin Booster Serum

serummid-range
8.5
VS
Shani Darden Skin Care Triple Acid Signature Peel
Shani Darden Skin Care

Triple Acid Signature Peel

exfoliant
8.4

Score comparison

These two are neck and neck — just 0.1 points apart.

2
2
1
COSRX wins 2
Tied 2
Shani Darden Skin Care wins 1
8.5COSRX
vs
8.4Shani Darden Skin Care

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

COSRX WINS
9.2
6.4
COSRX
Shani Darden Skin Care

Irritation Risk

TIE
9.5
9.5
COSRX
Shani Darden Skin Care

Active Ingredient Strength

Shani Darden Skin Care WINS
6.5
6.9
COSRX
Shani Darden Skin Care

Ingredient Transparency

COSRX WINS
8.8
8.5
COSRX
Shani Darden Skin Care

Formulation Safety

TIE
9.0
9.0
COSRX
Shani Darden Skin Care

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.

Active Ingredient Strength is another area of separation. Shani Darden Skin Care Triple Acid Signature Peel scores 6.9 here versus 6.5 for COSRX The 6 Peptide Skin Booster Serum. That difference comes down to how each formula is built — the ingredient list tells the story.

COSRX The 6 Peptide Skin Booster Serum brings Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate as actives, while shani Darden Skin Care Triple Acid Signature Peel relies on Lactic Acid, Glycolic Acid, and Hamamelis Virginiana (Witch Hazel) Water. 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

Shani Darden Skin Care Triple Acid Signature Peel is better if you have

  • Sensitive skin — the low-irritation formula keeps things gentle
  • Anyone who prefers clean, well-vetted formulations

Value comparison

COSRX The 6 Peptide Skin Booster Serum comes in at mid-range pricing with a 8.5 score, which is solid value at that tier.

Our verdict

✶ 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.

8.5COSRX
vs
8.4Shani Darden Skin Care

Frequently asked questions

Which is better: COSRX The 6 Peptide Skin Booster Serum or Shani Darden Skin Care Triple Acid Signature Peel?

Based on ingredient analysis, COSRX The 6 Peptide Skin Booster Serum scores higher overall. See the full score breakdown above for details on each attribute.

Do COSRX The 6 Peptide Skin Booster Serum and Shani Darden Skin Care Triple Acid Signature Peel 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 Shani Darden Skin Care Triple Acid Signature Peel?

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