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IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening vs The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid

IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening scores 9.0/9.8 and The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid scores 8.8/9.8 — a near-tie where your skin type decides the winner.

Head to head

IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening
IOPE

Expert Vitamin C 25% Antioxidant Serum for Brightening

serumpremium
9.0
VS
The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid
The INKEY List

360 Acne Clearing Serum with Dioic & Salicylic Acid

serummid-range
8.8

Score comparison

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

1
2
2
IOPE wins 1
Tied 2
The INKEY List wins 2
9.0IOPE
vs
8.8The INKEY List

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

The INKEY List WINS
6.8
7.5
IOPE
The INKEY List

Irritation Risk

The INKEY List WINS
7.7
9.5
IOPE
The INKEY List

Active Ingredient Strength

IOPE WINS
7.0
5.3
IOPE
The INKEY List

Ingredient Transparency

TIE
8.5
8.5
IOPE
The INKEY List

Formulation Safety

TIE
9.0
9.0
IOPE
The INKEY List

Ingredient face-off

11% overlap
26IOPE
3Shared
27The INKEY List

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. IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening scores 7.0 here versus 5.3 for The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid. That difference comes down to how each formula is built — the ingredient list tells the story.

IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening brings Ascorbic Acid, Gluconolactone, and Glutathione as actives, while the INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid relies on Salicylic Acid, Zinc Pca, and Lactic Acid. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

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

The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid is better if you have

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

Value comparison

At premium pricing with a score of 9.0, IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening delivers strong value. The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid sits at the mid-range level with a 8.8 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.

9.0IOPE
vs
8.8The INKEY List

Frequently asked questions

Which is better: IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening or The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid?

Based on ingredient analysis, IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening scores higher overall. See the full score breakdown above for details on each attribute.

Do IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening and The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid share ingredients?

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

What's the main difference between IOPE Expert Vitamin C 25% Antioxidant Serum for Brightening and The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid?

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