Peptide serum clinically proven to visibly smooth fine lines in just 7 days.*
Liquid Peptides™ is a targeted daily peptide serum for the first signs of aging. Expertly formulated with 10 powerful peptides in a 30% blend, to help slow & prevent fine line formation.
This supercharged peptide serum supports the skin's natural age-defyin
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418 ratings
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I've been using this product, along with the vitamin c serum, for a few months. I've noticed improved skin texture and a dewiness, will definitely be repurchasing!
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Kelly · September 27, 2026
Liquid beauty
Goes on smooth and light to the touch. I use it on top of Medik8’s Exo-PDRN Prismatic + serum for a powerful duo. So far, I’m liking it on my skin.
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Holly · September 30, 2026
This is already my seventh bottle of Liquid Peptides, which probably says everything about how much I love this serum! It has been a staple in my skincare routine for a long time. The texture is lightweight, absorbs beautifully, and leaves my skin feeling smooth, plump and hydrated. With consistent use, my skin looks fresher, firmer and more radiant. I keep coming back to it again and again — definitely one of my all-time favorite Medik8 products