Liquid Peptides — Reddit Reviews
by Medik8
Updated September 3, 2026
Peptide serum plumps skin and smooths wrinkles; pricey and can irritate acne-prone skin.
What the community says
A peptide serum that combines hydration with anti-aging benefits, praised for plumping skin and smoothing wrinkles. Ideal for users seeking firm, youthful skin but those with acne, oily, or sensitive skin report irritation. It is considered expensive for the results by some.
What this means for you
What people love
Watch out for
Product details
Where to buy
Real Reddit threads — 32 mentions across 27 threads
Medik8 Liquid Peptides on Reddit, in one place — 27 threads from r/30PlusSkinCare, r/Rosacea and 4 more, summarized.
“Since then, I added the following to my routine: -medik8 advanced mp liquid peptides”
Positive
“Crazy,I have .1 tret. Medik8 peptides and have had the alastin in my cart for a while”
Positive
“Seeing improvement in smile lines after 6 months”
Positive
“Medik8 peptides and eye retinol”
Mentioned
“I splurge on skincare but for me that is:”
Mentioned
“Prescriptions”
Mentioned
“I've also been using the stupidly expensive Medik8 liquid peptides more recently”
Positive
“it seems to be making a noticeable difference in my between-boob chest wrinkles.”
Positive
“if I skip a night or two, it reverts quickly”
Positive
“Medik8's "LIQUID PEPTIDES ADVANCED MP FACE SERUM" is expensive but holy shit did it plump up my skin.”
Positive
“It's holy grail for me and I stock up during their savings events.”
Positive
“For the fine lines, a serum concentrated with peptide is good to smooth the look of wrinkles”
Positive
“I’ve been using medik8 Bakuchiol and their multi peptide serum”
Positive
“I’m halfway through both bottles and my skin is looking better than it has in awhile.”
Positive
“Medicube pink peptides serum, not a patch on my medik8 liquid peptides”
Mentioned
“my medik8 liquid peptides (which is too expensive)”
Mentioned
“not a patch on my medik8 liquid peptides”
Mentioned
