Where Murad Vitamin C Dark Circle Correcting Eye Serum really shines is active ingredient strength, scoring 5.7 compared to Peter Thomas Roth Water Drench® Hyaluronic Acid Eye Mask Patches for Hydration and Dark Circles's 3.3. Its formula features Niacinamide, Ascorbic Acid, and Inositol in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Peter Thomas Roth Water Drench® Hyaluronic Acid Eye Mask Patches for Hydration and Dark Circles scores 9.8 here versus 9.2 for Murad Vitamin C Dark Circle Correcting Eye Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Murad Vitamin C Dark Circle Correcting Eye Serum brings Niacinamide, Ascorbic Acid, and Inositol as actives, while peter Thomas Roth Water Drench® Hyaluronic Acid Eye Mask Patches for Hydration and Dark Circles relies on Hydrolyzed Collagen, Caffeine, and Ceramide Np. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the premium bracket, so value comes down to formulation quality. Murad Vitamin C Dark Circle Correcting Eye Serum gets the nod here with its 8.5 overall score — you're getting more for a similar outlay.