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COSRX The 6 Peptide Skin Booster Serum vs Summer Fridays Light Aura Vitamin C + Peptide Eye Cream

COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and Summer Fridays Light Aura Vitamin C + Peptide Eye Cream 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
✶
Summer Fridays

Light Aura Vitamin C + Peptide Eye Cream

eye-caremid-range
8.4

Score comparison

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

2
2
1
COSRX wins 2
Tied 2
Summer Fridays wins 1
8.5COSRX
vs
8.4Summer Fridays

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

COSRX WINS
9.2
7.6
COSRX
Summer Fridays

Irritation Risk

TIE
9.5
9.5
COSRX
Summer Fridays

Active Ingredient Strength

Summer Fridays WINS
6.5
7.5
COSRX
Summer Fridays

Ingredient Transparency

COSRX WINS
8.8
8.5
COSRX
Summer Fridays

Formulation Safety

TIE
9.0
9.0
COSRX
Summer Fridays

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. Summer Fridays Light Aura Vitamin C + Peptide Eye Cream scores 7.5 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 summer Fridays Light Aura Vitamin C + Peptide Eye Cream relies on Ascorbyl Glucoside, Palmitoyl Tripeptide-1, and Palmitoyl Tetrapeptide-7. 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

Summer Fridays Light Aura Vitamin C + Peptide Eye Cream 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 — Ascorbyl Glucoside does the heavy lifting

Value comparison

Both sit in the mid-range bracket, so value comes down to formulation quality. COSRX The 6 Peptide Skin Booster Serum gets the nod here with its 8.5 overall score — you're getting more for a similar outlay.

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
✶
8.4Summer Fridays

Frequently asked questions

Which is better: COSRX The 6 Peptide Skin Booster Serum or Summer Fridays Light Aura Vitamin C + Peptide Eye Cream?

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 Summer Fridays Light Aura Vitamin C + Peptide Eye Cream 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 Summer Fridays Light Aura Vitamin C + Peptide Eye Cream?

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

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