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Liquid Peptides

Anti-AgingSerum

Liquid Peptides — Reddit Reviews

by Medik8

88nextscore19 verdicts

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.

From Reddit

Backed by 28 threads from r/30PlusSkinCare, r/SkincareAddiction and 4 more.

Read the threads ↓

What people love

  • Dual-action serum combining peptides with hydration for plumping
  • Regularly cited as a holy grail for anti-aging and firmness
  • Works well with rosacea and reduces redness in some users

Watch out for

  • Can irritate acne-prone, oily, or combination skin types
  • Expensive compared to similar peptide serums with comparable effects
  • Heavier texture can feel greasy, especially when layered

Product details

Where to buy

Real Reddit threads32 mentions across 28 threads

Medik8 Liquid Peptides on Reddit, in one place — 28 threads from r/30PlusSkinCare, r/SkincareAddiction 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

compares well to medik8 liquid peptides

Mentioned

medik8 liquid peptides

Mentioned

The Geek & Gorgeous peptide serum is really good and compares well to medik8 liquid peptides.

Mentioned
120

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

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