Gracie

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ vs Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.6/9.8 vs Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration at 6.6/9.8. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ wins for active ingredients.

Head to head

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​
innisfree

Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​

serummid-range
9.6
VS
Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration
Peter Thomas Roth

Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration

serumpremium
6.6

Score comparison

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ takes this one, winning 2 of 5 attributes.

2
3
innisfree wins 2
Tied 3
Peter Thomas Roth wins 0
9.6innisfree
+3.0vs
6.6Peter Thomas Roth

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
9.8
7.0
innisfree
Peter Thomas Roth

Irritation Risk

TIE
9.5
9.5
innisfree
Peter Thomas Roth

Active Ingredient Strength

innisfree WINS
6.4
3.1
innisfree
Peter Thomas Roth

Ingredient Transparency

TIE
8.5
8.5
innisfree
Peter Thomas Roth

Formulation Safety

TIE
9.0
9.0
innisfree
Peter Thomas Roth

Ingredient face-off

11% overlap
35innisfree
4Shared
25Peter Thomas Roth

Why innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ comes out ahead

Where innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ really shines is active ingredient strength, scoring 6.4 compared to Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration's 3.1. Its formula features Niacinamide, Allantoin, and Lactobacillus Ferment Lysate in high positions, signalling meaningful concentrations.

Hydration Efficacy is another area of separation. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.8 here versus 7.0 for Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration. That difference comes down to how each formula is built — the ingredient list tells the story.

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ brings Niacinamide, Allantoin, and Lactobacillus Ferment Lysate as actives, while peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration relies on Lactic Acid, Ascorbyl Palmitate, and Tocopherol. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ 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

Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration 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
  • Anyone who prefers clean, well-vetted formulations

Value comparison

At mid-range pricing with a score of 9.6, innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ delivers strong value. Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration sits at the premium level with a 6.6 score — the extra cost doesn't translate to better scores here.

Our verdict

✶ Our verdict
+3.0 lead

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ wins this comparison with a meaningfully stronger ingredient profile and overall score.

9.6innisfree
vs
6.6Peter Thomas Roth

Frequently asked questions

Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ or Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration?

Based on ingredient analysis, innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores higher overall. See the full score breakdown above for details on each attribute.

Do innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ and Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration 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 Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ and Peter Thomas Roth Water Drench® Hyaluronic Acid Face Serum for Dewy Hydration?

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