Where The Ordinary Power of Peptides Set really shines is hydration efficacy, scoring 9.8 compared to Arencia Holy Hyssop Brightening Serum 30 for Post-Acne Marks with Vitamin A, C, E, and Niacinamide's 7.2. With Glycerin, Sodium Hyaluronate, and Glycine in its top ingredients, The Ordinary Power of Peptides Set delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. The Ordinary Power of Peptides Set scores 9.8 here versus 7.5 for Arencia Holy Hyssop Brightening Serum 30 for Post-Acne Marks with Vitamin A, C, E, and Niacinamide. That difference comes down to how each formula is built — the ingredient list tells the story.
The Ordinary Power of Peptides Set brings Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1 as actives, while arencia Holy Hyssop Brightening Serum 30 for Post-Acne Marks with Vitamin A, C, E, and Niacinamide relies on Niacinamide, Arginine, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the mid-range bracket, so value comes down to formulation quality. The Ordinary Power of Peptides Set gets the nod here with its 9.4 overall score — you're getting more for a similar outlay.