Head to head
Medicube PDRN Pink Peptide Serum vs Medik8 Crystal Retinal 6
Same comparison whichever way you searched it: Medik8 Crystal Retinal 6 vs Medicube PDRN Pink Peptide Serum.
The bottom lineMedicube PDRN Pink Peptide Serum and Medik8 Crystal Retinal 6 land in much the same place on performance, so value decides it: Medicube PDRN Pink Peptide Serum does the same job for less.
Medicube PDRN Pink Peptide Serum keeps clear of pregnancy-flagged actives, while Medik8 Crystal Retinal 6 carries one that is best paused in pregnancy.
Answer nine questions and the app picks between them for your skin.
Cost per use
€0.20 an applicationabout 150 uses from 30 ml
a usual amount, not a measured dose: 3-5 drops, about 0.2 ml; from €30 as read in September 2026 and a 30 ml pack.
how this is counted
About €0.20 an application, about 150 uses from 30 ml.
- a convention: no trial has measured a serum dose
- Measured or assumed: the rule, and the dose table
€0.57 an applicationabout 150 uses from 30 ml
a usual amount, not a measured dose: 3-5 drops, about 0.2 ml; from €86 as read in September 2026 and a 30 ml pack.
how this is counted
About €0.57 an application, about 150 uses from 30 ml.
- a convention: no trial has measured a serum dose
- Measured or assumed: the rule, and the dose table
Per application, Medicube PDRN Pink Peptide Serum is the cheaper: €0.20 against €0.57.
Which should you pick?
Pick PDRN Pink Peptide Serum if
- you are dealing with breakouts and oiliness
- your barrier feels stressed and needs the support
- you want the more affordable option
Pick Crystal Retinal 6 if
- fine lines and firmness are the goal
What each delivers
Side by side
| PDRN Pink Peptide Serum | Crystal Retinal 6 | |
|---|---|---|
| Type | Serum | Serum |
| Key actives | Niacinamide, Glycerin, Hyaluronic acid | Glycerin, Retinal, Squalane |
| Texture | A light, fast-absorbing texture that layers cleanly under the rest of your routine, with no greasy film. | A rich, cushiony cream that sinks in slowly. |
| Fragrance | Contains fragrance | Contains fragrance |
| Feeds Malassezia | 1 measured / none inferred | 4 measured / 3 inferred |
| Pregnancy | No flagged actives | One caution |
| Ingredients | 40 listed | 47 listed |
| Price | ~€30 | ~€86 |
What's in one but not the other
The two labels share 7 of the 80 ingredients between them. The actives are where they part company.
What each one adds acts on The living epidermis, Not established for Medicube PDRN Pink Peptide Serum and The living epidermis, The stratum corneum, Not established for Medik8 Crystal Retinal 6. That is the layer each is understood to act on, not how deep it travels.
Only in Medicube PDRN Pink Peptide Serum
Only in Medik8 Crystal Retinal 6
Medik8 Crystal Retinal 6 is a different bottle only for: retinal, squalane, thd ascorbate, caprylic/capric triglyceride.
Which keeps longer
a dropper bottle and nothing on this label that light breaks; the period after opening not read yet.
a tube and one light-sensitive active: the packaging is doing work here.
where this comes from
The pack form is read off the packshot; the light-sensitive actives are the base's photostability rows, sourced on each glossary page; the period after opening (not printed) is read off the maker's page, never a reseller's. Catalogue checked September 2026.
Medicube PDRN Pink Peptide Serum is the one to keep if you use it slowly: a dropper bottle, nothing on this label that light breaks.
The molecule doing the work
Better for…
- Dark spots & uneven toneEither works
- Fine lines & firmnessCrystal Retinal 6
- Breakouts & congestionPDRN Pink Peptide Serum
- Dryness & dehydrationEither works
Who each suits
- Medicube PDRN Pink Peptide Serum
- dry, combination, normal · avoid with breastfeeding, fish allergy, pregnancy and very sensitive skin (at high strength)
- Medik8 Crystal Retinal 6
- dry, combination, oily, normal · avoid with very sensitive skin, acne-prone skin (at high strength), breastfeeding and compromised barrier
Medicube PDRN Pink Peptide Serum is the cheaper of the two (~€30 vs ~€86).
Ready to pick one?
Affiliate links, so a purchase sends us a small commission at no extra cost to you. As an Amazon Associate, Glow Simplified earns from qualifying purchases. We make and sell nothing here, so the verdict above never bends toward a sale.
Common questions
Is Medicube PDRN Pink Peptide Serum or Medik8 Crystal Retinal 6 better for fine lines & firmness?
For fine lines & firmness, Medik8 Crystal Retinal 6 is the stronger pick by our read of the two formulas. Medicube PDRN Pink Peptide Serum and Medik8 Crystal Retinal 6 land in much the same place on performance, so value decides it: Medicube PDRN Pink Peptide Serum does the same job for less. Medicube PDRN Pink Peptide Serum keeps clear of pregnancy-flagged actives, while Medik8 Crystal Retinal 6 carries one that is best paused in pregnancy.
Which is cheaper, Medicube PDRN Pink Peptide Serum or Medik8 Crystal Retinal 6?
Medicube PDRN Pink Peptide Serum is the cheaper of the two (~€30 vs ~€86).
Can I use Medicube PDRN Pink Peptide Serum and Medik8 Crystal Retinal 6 together?
They are both serums, so you would normally pick one rather than layer both in the same step. You can keep both and alternate them (morning and night, or on different days) if you like variety, but you do not need two.
What the scene shows
The cross-section at the top of this page is not decoration and not a diagram of the skin in general: it places the molecules these two are sold on at the layer each is understood to act on. Medicube PDRN Pink Peptide Serum is placed by Niacinamide (the living epidermis), Glycerin (the stratum corneum), Hyaluronic acid (the stratum corneum). Medik8 Crystal Retinal 6 is placed by Glycerin (the stratum corneum), Retinal (the living epidermis), Squalane (the stratum corneum). A layer is where an ingredient does its work, never how deep it travels, and never a claim about how well it works.
Compare it with…
46 duels are built for this serum, CeraVe Resurfacing Retinol Serum and Celimax The Vita A Retinal Shot Tightening Booster among them: type a name, or pick one below.