Gracie

innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask vs IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening

innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask scores 9.2/9.8 and IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening scores 9.0/9.8 — a near-tie where your skin type decides the winner.

Head to head

innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask
innisfree

Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask

serumbudget
9.2
VS
IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening
IOPE

Expert Vitamin C 25% Antioxidant Serum for Brightening

serumpremium
9.0

Score comparison

These two are neck and neck — just 0.2 points apart.

3
2
innisfree wins 3
Tied 2
IOPE wins 0
9.2innisfree
vs
9.0IOPE

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
8.1
6.8
innisfree
IOPE

Irritation Risk

innisfree WINS
9.5
7.7
innisfree
IOPE

Active Ingredient Strength

innisfree WINS
8.5
7.0
innisfree
IOPE

Ingredient Transparency

TIE
8.5
8.5
innisfree
IOPE

Formulation Safety

TIE
9.0
9.0
innisfree
IOPE

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. innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask scores 8.5 here versus 7.0 for IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening. That difference comes down to how each formula is built — the ingredient list tells the story.

innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask brings Lactobacillus Ferment Lysate, Niacinamide, and Arginine as actives, while iOPE Expert Vitamin C 25% Antioxidant Serum for Brightening relies on Ascorbic Acid, Gluconolactone, and Glutathione. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask 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
  • Targeting specific concerns like aging or uneven tone — Lactobacillus Ferment Lysate does the heavy lifting

IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening is better if you have

  • Sensitive skin — the low-irritation formula keeps things gentle
  • Targeting specific concerns like aging or uneven tone — Ascorbic Acid does the heavy lifting
  • Anyone who prefers clean, well-vetted formulations

Value comparison

At budget pricing with a score of 9.2, innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask delivers strong value. IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening sits at the premium level with a 9.0 score — the extra cost doesn't translate to better scores here.

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.

9.2innisfree
vs
9.0IOPE

Frequently asked questions

Which is better: innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask or IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening?

Based on ingredient analysis, innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask scores higher overall. See the full score breakdown above for details on each attribute.

Do innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask and IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening share ingredients?

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

What's the main difference between innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask and IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening?

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