Liquid Peptides Advanced MP — Reddit Reviews
by Medik8
Updated October 21, 2026
Thirteen peptides visibly plump fine lines; holy-grail status, premium price.
What the community says
A multi-peptide serum with 30% peptide complex, including Palmitoyl Tripeptide-38, Palmitoyl Tripeptide-5, and Sodium Hyaluronate, aimed at plumping fine lines and smoothing texture. It layers neatly, but premium pricing makes this a cherry-on-top step after sunscreen and retinoids.
What this means for you
Backed by 17 threads from r/40plusskincare, r/30PlusSkinCare and 4 more.
Read the threads ↓What people love
- 13-peptide formula with copper peptide
- Noticeable plumping and smoother-looking fine lines
- Layers cleanly in AM or PM routines
Product details
Concerns
Product Traits
Key Ingredients
Where to buy
What the science says vs. what Reddit says
Anti-Aging
Not proven yet
Few or mixed studies. This claim isn't established.
Peptides: 2 studies tested it on its own. See all 6 studies
On Reddit: Skin-plumping results make devotees stock up during savings events. 4 mentions
What the studies found
- Both studies that tested peptides on their own found they helped with signs of aging
- Peptides improved skin firmness in both studies
- One study found smoother skin and better hydration with peptides
- Wrinkles improved in one study, but changed little in another
- No stinging or itching was reported in one study
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 24 mentions across 17 threads
Medik8 Liquid Peptides Advanced MP on Reddit, in one place — 17 threads from r/40plusskincare, r/30PlusSkinCare and 4 more, summarized.
“Current routine:”
Positive
“AM - spritz with laneige cream skin, Medik8 advance mp, laneige water bank, squalane oil, beauty of joseon aqua fresh spf 50.”
Positive
“PM - double cleanse (oil + prequel gleanser), same as above but I alternate medik8 retinal (can’t tolerate Tret) and azelaic acid.”
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 and the expression lines”
Positive
“* Medik8 Liquid Peptides Advanced MP”
Positive
“Excuse me just listing the relevant products/techniques from my routine...”
Positive
“RELEVANT PRODUCTS FROM NIGHT...”
Positive
“Medik8 advanced peptide serum!”
Positive
“advanced peptide serum”
Positive
“Medik8”
Positive
“their Liquid Peptides Advanced MP for my peptide serum”
Positive
“I've loved everything I've tried from Medik-8.”
Positive
“I use their C-Tetra Advanced for Vitamin C and their Liquid Peptides Advanced MP for my peptide serum.”
Positive
“In fact I use their pricey Liquid Peptides Advanced MP.”
Positive
“That’s not a knock against Medik8, which makes fabulously formulated products.”
Positive
“not above paying a premium when the formulation is truly unique”
Positive
