Medicube Retinol NMN Serum — NMN is a precursor to NAD+, the coenzyme cells use to run their repair machinery, and levels of it fall with age. The topical evidence is early, and it is worth saying so plainly.
What is not in question is the retinol. It remains the best-evidenced ingredient available without a prescription for lines, texture and tone.
Best for
Fine lines, texture and early loss of firmness.
How to use Medicube Retinol NMN Serum
At night only, on dry skin, starting twice weekly and building up as tolerated.
Do not use
While pregnant or breastfeeding. Sunscreen every morning without exception.
What is in it
Retinol
What separates a good retinol product from a harsh one is rarely the percentage — it is the base it sits in and how the retinol is stabilised. Encapsulated and buffered formulas release the active more gradually, which lowers irritation without lowering the eventual result. That matters most around the eyes and on skin that has reacted badly to retinoids before. Used at night, consistently, retinol remains the most reliable anti-ageing step available without a prescription. Background reading on retinol if you want the chemistry behind it.
What to use it with
Seal this in with a moisturiser and apply it to skin that is still damp from a toner — both steps make a measurable difference to how much of the serum stays where you put it. From the rest of our range, WishCare 3:1:1 Barrier Bounce Moisturizer and I’m From Black Rice Toner are sensible companions, and both are stocked with the same cash-on-delivery terms.

Where it fits in your routine
A serum goes on after cleansing and toning, while skin is still slightly damp, and before anything heavier. That order matters more than people expect — the thinnest, most concentrated layer needs direct contact with skin, not a film of moisturiser in the way. Give it thirty seconds to absorb, then seal it in with a cream. If you are using more than one serum, the lighter one goes first.
Before you start
This is a night product. Start twice a week, build up slowly, and stop increasing the moment skin starts to feel tight rather than dry. Sunscreen the following morning is not optional. Do not use retinoids while pregnant or breastfeeding.
Common questions
Is Medicube Retinol NMN Serum authentic?
Yes. Euros Belle stocks sealed, unopened units sourced through the brand’s own distribution, and we do not sell testers, decants or refilled packaging. Every order is checked before it leaves us, and you are welcome to inspect the seal at the door before paying.
What size is Medicube Retinol NMN Serum?
This listing is the 30 ml size, priced at ৳2,499. Where a product is available in more than one size, each is listed separately so the price you see is the price for the size shown.
Can I use this with my other products?
Not on the same night as another strong active. Keep retinoids and exfoliating acids on alternate evenings until you know how your skin responds to each. Niacinamide, hyaluronic acid, panthenol and ceramides layer with this without any conflict.
Will it suit my skin type?
Most skin types tolerate it, though anyone with reactive or recently over-exfoliated skin should introduce it slowly. If your barrier is currently compromised — stinging, tightness, unusual redness — repair that first with something simple before adding anything active.
Can I order without using the website?
Yes. Some customers prefer to confirm by message first, so every product page carries WhatsApp and Messenger buttons that open a chat with the product and price already filled in. You can also call the hotline on 01795-081385 during business hours. The order is the same either way, and so is the price.
What if it arrives damaged or wrong?
Check the parcel before you pay — that is the practical advantage of cash on delivery. If a seal is broken, a bottle has leaked or the item is not what you ordered, refuse the delivery and tell us, and we will replace it or cancel the order. Cosmetics that have been opened and used cannot be returned for hygiene reasons.
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