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.
Hydration Efficacy is another area of separation. Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum scores 9.8 here versus 8.8 for innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks brings Lactobacillus Ferment Lysate, Gluconolactone, and Niacinamide as actives, while peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum relies on Saccharomyces Lysate, Acetyl Hexapeptide-8, and Pentapeptide-18. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At mid-range pricing with a score of 8.4, innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks delivers strong value. Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum sits at the premium level with a 8.3 score — the extra cost doesn't translate to better scores here.
