Brandefy compared the Peptidin Radiance Serum with Energy Peptides to the Multi-Peptide + Hyaluronic Acid Serum. Here's what they had to say:
Both of these products contain a blend of peptides, which are proteins that build collagen, reducing the appearance of wrinkles on the skin. Both products also contain Hyaluronic Acid to hydrate and reduce signs of aging. Dr. Jart contains Peach Flower extract which is said to brighten the skin. Testers also noticed that Dr. Jart smelled slightly of peach, while The Ordinary had no detectable smell. The scent of Dr. Jart is not overwhelming and is pleasant, but if you are scent-sensitive, you may prefer The Ordinary. Testers thought these felt very similarly on the skin - a light serum that absorbed fairly quickly. They also felt these functioned similarly and would switch to The Ordinary to save.
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