Medicube AGE-R Glutathione Serum — glutathione is the most heavily marketed brightening ingredient in Asia, and the honest position is that topical evidence is modest — it inhibits pigment production in a similar way to other tyrosinase inhibitors, and nothing more dramatic than that.
What this formula does well is texture and layering: light enough to use under a device head or on its own, morning or night.
Best for
Dullness and uneven tone, and AGE-R device owners wanting a matched serum.
How to use Medicube AGE-R Glutathione Serum
Apply to clean skin before moisturiser. Sunscreen every morning, or the work is wasted.
What is in it
Glutathione
Glutathione is an antioxidant the body produces itself, and it is heavily marketed for skin tone across South and East Asia. The topical evidence is thin but not absent — it appears to interfere with pigment production in a similar way to other tyrosinase inhibitors. The evidence for oral supplements is weaker still, and the injectable form is genuinely unsafe and unapproved. Applied to skin, it is a reasonable mild brightener and no more than that. Background reading on glutathione 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, APLB Liposome Retinol LX Cream and Simple Kind To Skin Soothing Facial 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
Patch test on a small area behind the ear or along the jaw before the first full application, particularly if your skin reacts easily. Introduce one new product at a time so that if something does not agree with you, you know which one it was.
Common questions
Is Medicube AGE-R Glutathione 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 AGE-R Glutathione Serum?
This listing is the 50 ml size, priced at ৳2,400. 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 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.
How fresh is the stock?
We buy in small, frequent batches rather than holding large quantities, so what reaches you is well within date. Batch and expiry markings are printed on the packaging and we do not remove or cover them. If anything you receive is close to expiry, tell us and we will replace it.
Does the Dhaka climate affect it?
Heat and humidity shorten the working life of most cosmetic formulas, and actives like vitamin C and retinoids are the first to suffer. Keep the product capped, out of direct sun, and away from the hottest corner of a bathroom. A cool cupboard is better than a windowsill, and better than a fridge for most textures.
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