# Medicube Collagen Glow Bubble Serum

Medicube's Korean-market serum led by Soluble Collagen, the same formula sold in Korea.

- Brand: Medicube
- Product: Collagen Glow Bubble Serum
- Price: $30.99
- Availability: Out of stock
- Size: 100ml
- Market: Korean market, the version sold in Korea
- Made in: Republic of Korea
- Category: Serums & Ampoules

## Key benefits

- Built around Soluble Collagen, positioned for plumping feel.
- Built around Collagen, positioned for plumping feel.
- Built around Niacinamide, positioned for tone and texture.
- Formulated as a serum for the treatment step right after toner.
- The Korean-market Medicube formula for Collagen Glow Bubble Serum, matching what Medicube sells in Korea rather than a US-reformulated line.
- Arrives with its original Korean-market barcode and batch code intact for authenticity checks against the box.

## How it works

Medicube Collagen Glow Bubble Serum is a serum built for the treatment step right after toner. Its ingredient list leads with Soluble Collagen, Collagen, and Niacinamide, so the formula's stated purpose lines up with what actually sits near the top of that list rather than with a single marketing ingredient buried further down. Soluble Collagen does the most work here as a plumping feel, and the remaining actives round out the texture and finish rather than compete for attention. Placed as the treatment step right after toner, it is meant to be used AM/PM rather than swapped freely between steps. Because this is the Korean-market version of the Collagen Glow Bubble Serum line rather than a US-reformulated variant, the texture and finish match what Medicube sells through Korean retail.

## How to use

1. Use the Collagen Glow Bubble Serum after toner and before moisturizer, in the evening.
2. Three or four drops covers the whole face. Press it in with flat palms instead of rubbing it around.
3. Toner first so the surface is damp, then this, then about a minute before your moisturizer goes over the top. Retinal is the entry that puts this step in the evening rather than the morning.
4. Start at two or three evenings a week and build up from there, because retinal is on this list. Do not use it in the same routine as another retinoid or a resurfacing acid.

## Ingredients

Water(Aqua), Glycerin, Propanediol, Soluble Collagen, Glycereth-26, Cetyl Ethylhexanoate, Caprylic/Capric Triglyceride, Polyglyceryl-10 Laurate, Niacinamide, 1,2-Hexanediol, Polyglycerin-3, Pentaerythrityl Tetraisostearate, Ammonium Acryloyldimethyltaurate/VP Copolymer, Sodium Lauroyl Glutamate, Fragrance, Gardenia Florida Fruit Extract, Butylene Glycol, Dextrin, Xanthan Gum, Hydroxyethyl Urea, Ethylhexylglycerin, Adenosine, Allantoin, Collagen Extract, Macadamia Ternifolia Seed Oil, Atelocollagen, Desamido Collagen, Hydrogenated Lecithin, Sodium Hyaluronate, Hydrolyzed Elastin, Hydrolyzed Collagen, Caprylyl Glycol, Hyaluronic Acid, Cholesterol, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sorbitan Laurate, Silica, Retinal, Glutathione, Brassica Campestris (Rapeseed) Sterols, Thioctic Acid, Ceteth-5, Ceteth-3, Collagen, Collagen Amino Acids, Potassium Cetyl Phosphate, Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate, Hydroxyethylcellulose, Acetyl Dipeptide-1 Cetyl Ester, Sodium Acetylated Hyaluronate, Procollagen, Hydroxypropyltrimonium Hyaluronate, Acetyl Hexapeptide-1, Palmitoyl Tripeptide-5, Disodium EDTA, Acetyl Octapeptide-3, Soluble Collagen Crosspolymer, Rosin Hydrolyzed Collagen, Potassium Myristoyl Hydrolyzed Collagen

## FAQ

### What does the Collagen Glow Bubble Serum actually contain?

Its ingredient list is led by Soluble Collagen, with the rest of the formula built to support that active rather than compete with it. We list the ingredients in the order the manufacturer prints them, so the ones near the top of the panel are doing the most work in the formula.

### How do I use the Collagen Glow Bubble Serum?

Use this serum as the treatment step right after toner. To apply, smooth or press onto cleansed, toned skin and follow with moisturizer. Keep it to AM/PM unless the packaging states otherwise, and give the rest of the routine a moment to settle before layering the next step. Give it a full bottle or box before judging the result, since most Korean routines are built for steady use rather than a single application.

### Is the Collagen Glow Bubble Serum the same formula sold in Korea, or a US version?

This Collagen Glow Bubble Serum is the Korean-market formula, not a version reformulated for US shelves. It arrives with its original Korean-market barcode and batch code intact so the formula can be checked against the box on arrival.

### Can I use the Collagen Glow Bubble Serum with other actives in my routine?

Yes, as long as it is used in its own step, the treatment step right after toner, and not layered on top of a product doing the same job. Introduce any new step gradually over the first week or two and keep an eye on how the skin responds before adding a second new active alongside it.

### Who is the Collagen Glow Bubble Serum suited for?

It suits most skin types looking for treatment step right after toner rather than a single acute problem. It comes in a 100ml format. Anyone with a known sensitivity to a specific ingredient should check the full ingredient panel on this page before buying.

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Page: https://korean-pharmacy.com/products/medicube-collagen-glow-bubble-serum