Medicube PDRN Pink Peptide Serum
$36.00
Sale price
$36.00
Regular price
$37.00
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Medicube PDRN Pink Peptide Serum
$36.00
Sale price
$36.00
Regular price
$37.00
Only 2 left in stock
📦 Order today and it ships from Sydney within 1 to 3 business days.
60-day money-back guarantee · Free shipping over $59 ($4.95 flat under)
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★ ★ ★ ★ ★
4.9 out of 5 · 458 reviews
For Anti-Aging For Fine Lines AM + PM Daily PDRN + Peptides Pregnancy-Safe
"I look so tired." Since the baby, the skin looking back at you is flatter, softer, a little deflated — dull and dehydrated in a way that sleep alone doesn't fix, and it makes you look more exhausted than you feel. And the retinol you'd normally reach for is off the table while you're breastfeeding. This is the step that quietly works underneath all of it.
PDRN (Polydeoxyribonucleotide) signals your fibroblast cells to make more collagen and elastin — firming and plumping without the peeling or the sting. Medicube's Pink Peptide Serum pairs it with a multi-peptide complex, niacinamide and hyaluronic acid, so tired, thirsty skin gets firmer, brighter and more hydrated from one bottle — and it's considered safe through pregnancy and breastfeeding.
Three drops, twice a day — one glowier step in the four minutes you get to yourself. The skin that makes you look like you again, not just wiped out.
The Alina Promise
Couldn't tolerate retinol? Pregnant and stuck for actives? Try this for 60 days. If your skin isn't firmer, email me. Refund or swap.
PDRN takes 6–8 weeks to show what it can do. That's why this promise window is 60 days, not 30. Be patient and consistent. If you've done both and you're not seeing changes, I'd rather refund you than have you give up on the category.
Email hello@alinabeauty.com.au — I personally reply within 24 hours.
— Edwina, founder
"I couldn't tolerate retinol — it stripped my skin within a week every time I tried. PDRN became my workaround. Two drops every morning under my SPF, and three months in I started seeing what retinol never gave me without the wreckage. It's the serum I now keep at every life stage."
— Edwina, Founder
Benefits
Firming without the retinoid harshness
PDRN signals fibroblast cells to keep producing collagen and elastin — the structural proteins that keep skin firm. Retinoids do this too, but through a more aggressive cell-turnover pathway that often peels and irritates. PDRN works upstream of that, gently.
Safe through pregnancy and breastfeeding
Topical PDRN is considered pregnancy-safe (no systemic absorption). If you're pregnant or breastfeeding and your retinoids, salicylic acid, and hydroquinone are all off the table — this is the anti-aging serum that's still available to you.
Peptide complex compounds the effect
PDRN plus four clinically-studied peptides — each signaling different anti-aging pathways. Most "peptide serums" in Australia have one or two peptides at low concentrations. This one stacks them with PDRN for visibly compounded results.
AM + PM daily — layers under everything
Lightweight, non-sticky, absorbs in 30 seconds. Layer your moisturiser, SPF, makeup — nothing pills, nothing fights. Slots into the routine you already have, twice a day.
A fraction of the injectable cost
Korean clinics inject PDRN at $600–1,000 per session, 3–4 sessions needed. This bottle delivers the same active ingredient daily for the year, for $36. Different format, different intensity, dramatically different price.
What's in this bottle
The regenerator
PDRN (Polydeoxyribonucleotide)
A fragment of salmon DNA that closely resembles human DNA. Used in Korean and Italian aesthetic medicine for two decades to stimulate fibroblast activity, accelerate wound healing, and boost collagen synthesis. The topical form delivers a fraction of the injectable dose, every day, instead of one bigger dose monthly.
Note: PDRN is derived from salmon. If you have a fish allergy, skip this one — email me and I'll match you with a non-PDRN anti-aging alternative.
The firmer
Multi-Peptide Complex
Four clinically-studied peptides — each signaling different anti-aging pathways (collagen synthesis, elasticity, wrinkle smoothing). Most "peptide serums" use one peptide at minimal concentrations. This formula stacks four.
The brightener + hydrator
Niacinamide + Hyaluronic Acid
Niacinamide evens skin tone overnight and strengthens the barrier. Hyaluronic acid pulls moisture in and holds it. Both pair with PDRN to deliver firming + brightening + hydration in one serum, rather than three separate products.
Why this over a Western anti-aging serum
Different mechanism. Pregnancy-safe. Half the price.
How to use it
After toner. Before moisturiser. Twice a day.
Step 1
Cleanse + tone
Whatever you already use. Skin slightly damp helps the serum absorb evenly.
Step 2
3 drops, press in
Face and neck. Press in — don't rub. Absorbs in 30 seconds. Wait a minute before the next layer.
Step 3
Moisturise + SPF (AM)
Layer moisturiser on top. SPF 30+ daily — PDRN works best when sun damage isn't undoing it underneath.
Questions answered
What exactly is PDRN?
PDRN stands for Polydeoxyribonucleotide — small chains of DNA fragments derived from salmon (because the DNA structure closely resembles human DNA). In aesthetic medicine, it's used as a "skin booster" to stimulate fibroblast activity, the cells that produce collagen and elastin. Korean clinics inject it for fine lines, skin healing, and post-procedure recovery. The topical form delivers a fraction of the dose, daily, instead of one bigger dose monthly.
Is this vegan?
No — PDRN is derived from salmon DNA. If vegan is non-negotiable, email me and I'll match you with a plant-derived peptide serum that delivers similar firming.
What if I'm allergic to fish?
If you have a known fish or shellfish allergy, don't use this. Even though PDRN is highly purified, trace proteins can remain. Patch-test on the inside of your wrist for 24 hours before applying to your face if you're not sure. Email me for a fish-free alternative.
Is this really safe during pregnancy?
Topical PDRN, peptides, niacinamide and hyaluronic acid are all considered pregnancy-safe — there's no systemic absorption to flag. Many of our customers actually pick this up specifically because their retinoid-based routine is paused for pregnancy. Please run any new skincare past your GP or obstetrician first, especially with allergies.
How is this different from retinol/retinal?
Different mechanisms entirely. Retinoids work by speeding up skin cell turnover (effective but often irritating). PDRN signals fibroblast cells to produce more collagen and elastin (less irritating, more gradual). Many people use both: retinal at night, PDRN serum AM. Or PDRN solo if retinoids aren't an option (pregnancy, sensitivity).
Can I use it with vitamin C, AHA, retinol?
Yes — PDRN layers well with everything. Common pairing: vitamin C AM, this serum AM (after Vit C, before SPF), retinol PM. Or: PDRN AM and PM, alternating with AHA/BHA nights. It's one of the most flexible actives for routine-stacking.
How long until I see results?
Texture and hydration improvement: 1–2 weeks. Firmer-feeling skin: 4–6 weeks. Visible smoothing of fine lines: 8–12 weeks. PDRN is a slow-acting active — it compounds over months, not days. The 60-day promise window reflects how long it actually needs.
What if it doesn't work for me?
Use it consistently for 60 days (longer than the 30-day window on most products). If your skin isn't firmer or smoother after 8 weeks, email hello@alinabeauty.com.au and tell me. Refund or swap, no return needed.
How long does one bottle last?
The 30ml bottle is about 8–10 weeks of twice-daily use at 3 drops per application. Daily use only (AM or PM): 16–20 weeks. For anti-aging, twice-daily is the protocol — the firming compounds with consistency.
Why now
Ships from Sydney in 1–3 days. Not from Korea in 21.
PDRN is heat- and time-sensitive. Stocked in Australia means yours hasn't sat in a customs container for three weeks. Fresh formula, fresh date code, full potency.
Here's what comes with your order
Every order, no exceptions, no upsell.
- Medicube PDRN Pink Peptide Serum (30ml) $36.00
- Free shipping (orders over $59) FREE
- 60-day refund-or-swap promise (extended for anti-aging actives) INCLUDED
- Personal product matching via email with Edwina INCLUDED
- 1% donated to Cerebral Palsy Alliance Australia EVERY ORDER
Key details
Key ingredients: PDRN (Polydeoxyribonucleotide), Multi-Peptide Complex, Niacinamide, Hyaluronic Acid
Best for: Mature skin, fine lines, loss of firmness, retinol-intolerant skin, pregnancy/breastfeeding
Not for: Anyone with a fish or shellfish allergy · vegans
Usage: AM + PM, 3 drops after toner, before moisturiser. SPF 30+ daily.
Size: 30ml (8–10 weeks of twice-daily use)
Ships from: Sydney, Australia — 1–3 business days
Skincare That Cares.
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