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The K-beauty serum for skin that's changing

Deep Collagen Cream In Serum

Cream + Serum in One Formulated in Korea

Visibly plumper, firmer-looking skin with low-molecular collagen absorbing where it counts.


  • Two layers in one bottle — shake, press, done
  • Collagen small enough to actually sink in
  • Fine lines look softer week after week
  • Skin feels firmer and bouncier by morning
Dermatologist Approved
100 dermatologists reviewed this formula
60-day guarantee
Free US shipping over $30
60 Day
60 days to change your mind Skin takes a few weeks to show change. If it isn't for you, email us and we'll refund it — keep the bottle.

Most collagen products have the same problem: the molecule is too large to go anywhere, so it sits on the surface and calls it a day. This one uses collagen broken down to under 300 daltons — small enough to actually sink in rather than form a film you wash off in the morning.

It arrives as two separate layers in the bottle: a cream layer on top, a serum layer underneath. You shake it to combine them, which is why the texture lands somewhere between the two — richer than a serum, lighter than a cream. Volufiline handles the filler-like plumping, niacinamide evens out tone and texture, and 30 ml lasts roughly two months of nightly use.

  • Skin looks plumper and more cushioned within the first weeks
  • Fine lines around the eyes and mouth look softer with consistent use
  • Firmer, bouncier to the touch
  • Absorbs without the tacky film collagen usually leaves
  1. Step 1 — Shake it: The cream and serum layers separate while the bottle sits. Shake until the liquid looks uniform — skip this and you get one layer at a time instead of the formula as intended.
  2. Step 2 — Two or three pumps: Onto clean skin, ideally while it's still slightly damp from cleansing or toner.
  3. Step 3 — Press, don't rub: Warm it between your palms and press it into the face and neck. Give the areas where lines bother you a second pass.
  4. Step 4 — Seal it: Follow with your moisturizer. In the morning, finish with SPF.

Worth knowing: morning and night both work, but if you use it once a day, make it night. 30 ml is about two months of nightly use.

The working part:

  • Low-Molecular Collagen (under 300 Da) — Broken down far smaller than standard collagen, so it absorbs instead of sitting on the surface. This is the whole reason the product exists.
  • Volufiline — The filler-like part. Supports volume in areas that have started to look flat, for a plumper, smoother surface.
  • Niacinamide — Evens out tone and texture, and adds hydration and glow along the way.
  • Amino Acid Complex — The building blocks collagen is made from, supporting a healthier, smoother-looking surface.

30 ml / 1.01 fl. oz. · Full INCI list on the carton

Why do I have to shake it?
Because there are genuinely two layers in there. The cream sits on top of the serum between uses — that's the formula working as designed, not a fault. A few shakes brings it back together.

How quickly will I see a difference?
Plumpness and comfort show up early, often within the first week. Fine lines and firmness take longer — give it four to six weeks of consistent use before you decide.

Is it a serum or a moisturizer?
A serum, with more cushion than most. It goes before your moisturizer, not instead of it — though on oilier skin some people find it's enough on its own at night.

Does collagen in skincare actually do anything?
Standard collagen molecules are too large to absorb, which is where the skepticism comes from — fairly. Cutting the molecule below 300 daltons is what changes the picture, and it's why the size is printed on the bottle rather than buried in the INCI.

Can I use it with retinol or vitamin C?
Yes. Use this after the active has absorbed. If your skin is already reacting to a strong retinol, alternate nights until it settles.

Will it work on sensitive skin?
The formula is built to hydrate rather than exfoliate, so there's nothing in it designed to sting. Patch test on your inner arm first if your skin reacts easily.

What if it's not for me?
Email us within 60 days and we'll refund it — you don't need to send the bottle back.

Shipping:
Free US shipping on orders over $30. You'll get a tracking link by email as soon as it ships.

60-day guarantee:
If it isn't working for you, email us within 60 days and we'll refund it. Keep the bottle.

View full details
Selected Variant Image
Deep Collagen Cream In Serum
Regular price €26,95 EUR
Regular price €44,95 EUR Sale price €26,95 EUR
Selected Variant Image
Deep Collagen Cream In Serum
Regular price €26,95 EUR
Regular price €44,95 EUR Sale price €26,95 EUR

Loved by 100,000+ women

SUSAN, 58
Verified purchase

My skin feels noticeably softer and smoother since adding this to my routine. I especially love how lightweight it feels — no sticky residue at all. My complexion looks fresher and more even.

KAREN, 62
Verified purchase

I’m very selective with skincare because my skin tends to be dry and sensitive. Glosche feels gentle and hydrating without feeling heavy. After a few weeks, my skin looks smoother and more refreshed.

MICHELLE, 54
Verified purchase

I wasn’t expecting to notice much at first, but I can genuinely see a difference. My skin looks more refined and feels much smoother to the touch. It also gives me a healthy, hydrated glow without feeling greasy.

LINDA, 67
Verified purchase

This has become one of my favorite steps in my skincare routine. It sinks in beautifully and leaves my skin feeling soft and comfortable. With consistent use, my complexion looks brighter, smoother and more refreshed.

PATRICIA, 60
Verified purchase

I love how simple this is to use. My skin feels soft immediately after applying it, and over time I’ve noticed that my complexion looks smoother and more even. It has definitely earned a permanent spot in my routine.

Collagen small enough to actually sink in

Collagen small enough to actually sink in

The usual complaint about collagen is fair: the molecule is far too large to go anywhere, so it sits on the surface and rinses off in the morning. This one is broken down to under 300 daltons — smaller than a pore — so it absorbs instead of forming a film. Inside the bottle it sits in two separate layers, a cream on top and a serum underneath. Shake them together, press two or three pumps into clean skin, and you get the cushion of a cream with the absorption of a serum. Volufiline does the filler-like plumping, niacinamide evens out tone and texture.

Under 300 daltons

Two layers, one step

The science behind Glosche

Collagen has a size problem. The molecule in most products runs into the thousands of daltons — far too large to pass the surface, which is why so much of it washes off in the morning. Cut it below 300 and the picture changes: small enough to sink in, where it can actually do something. That's the number on the bottle, and the reason the rest of the formula is built around it.

Skin that has lost its bounce

You've bought collagen before. Most of it never got past your skin.

The collagen in a typical jar is an enormous molecule — often thousands of daltons. Skin doesn't let anything that size through. So it spreads, sits, feels expensive for an evening, and comes off on your pillow. That's not a marketing failure, it's a physics one, and it's why so many people conclude collagen skincare is a con.

Meanwhile the thing you actually noticed keeps going. Skin looks flatter than it used to by the end of the day. Lines around the eyes and mouth stay put instead of settling back. Richer creams help for an hour, then everything looks the same again.

Glosche Deep Collagen Cream In Serum

Shrink the molecule, and the rest of the formula finally has somewhere to work

Collagen under 300 daltons Broken down until it's smaller than a pore, so it absorbs rather than sitting on the surface. This is the number the whole product is built around, which is why it's printed on the bottle instead of buried in the INCI list.
Volufiline The filler-like part. Supports volume where skin has started to look flat, so fine lines around the eyes and mouth appear softer and the surface looks plumper.
Niacinamide Evens out tone and texture while adding hydration and glow. It's the reason the result reads as brighter skin rather than just firmer skin.
Two layers, shaken together A cream layer over a serum layer, mixed at the moment you use it. You get the cushion of a cream with the absorption of a serum, and none of the tacky film collagen usually leaves behind.

How to use it

Step 1 — don't skip this
Shake the bottle until it looks uniform

There are genuinely two layers in there: a cream sitting on top of a serum. Between uses they separate again, which is the formula behaving exactly as designed rather than a fault. A few good shakes brings them back together.

Step 2
Two or three pumps onto damp skin

Use it after cleansing, while your face is still slightly damp — or straight after your toner. That's when it absorbs properly instead of sitting on the surface.

Step 3 — the one that matters
Warm it in your palms, then press it in

Don't rub it around. Warm it between your hands first, then press it into the face and neck until it's gone. Give the areas where lines bother you a second pass.

Follow with your moisturizer, and SPF in the morning.

Step 4 — keep it in the routine
Every night, or morning and night

If you only use it once a day, make it night. Plumpness and comfort turn up early — often within the first week.

Firmness and fine lines take longer. Give it four to six weeks of consistent use before you judge it: 30 ml is about two months of nightly use, so one bottle is enough to find out.

What's actually in the bottle

< 300 Da
The size

Low-Molecular Collagen

Broken down under 300 daltons — smaller than a pore, so it absorbs rather than sitting on the surface and washing off.

Filler-like
The volume

Volufiline

Supports volume where skin has started to look flat, so fine lines around the eyes and mouth appear softer.

Tone
The evenness

Niacinamide

Evens out tone and texture while adding hydration, which is why the result reads as brighter skin rather than only firmer skin.

Shake
The texture

Two Layers, One Step

A cream layer over a serum layer, mixed at the moment you use it — the cushion of a cream with the absorption of a serum.

It actually absorbs

Collagen broken down under 300 daltons — small enough to sink in instead of sitting on the surface.

Filler-like plumping

Volufiline supports volume where skin looks flat, so fine lines appear softer over time.

Glosche Deep Collagen Cream In Serum

Two layers, one step

Shake the cream and serum layers together — the cushion of a cream with the absorption of a serum.

Brighter, not just firmer

Niacinamide evens out tone and texture while it hydrates, so skin looks fresher too.

If collagen has let you down before

There's usually a reason it didn't work

The jar that felt expensive and came off on the pillow. The serum that promised firmness and delivered a nice smell. The problem is almost always the same one: a molecule too large to go anywhere. Here's what we built instead.

Glosche Typical collagen product
Collagen under 300 daltons ✓ ✗
Small enough to absorb, not just coat ✓ ✗
Volufiline for filler-like plumping ✓ ✗
Niacinamide for tone, not just firmness ✓ ✗
Cream and serum layers in one bottle ✓ ✗
No tacky film left behind ✓ ✗
60-day money-back guarantee ✓ ✗
Glosche firming peptide toner in use

Why customers love Glosche

  • Supports firmer-looking skin
  • Softens fine lines and dullness
  • Hydrates deeply overnight

No ten-step routine, no empty promises. A few layers before bed, and your skin does the rest while you sleep.

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Frequently asked questions

The things people ask before they buy

Because there really are two of them. A cream layer sits on top of a serum layer, and they drift apart again whenever the bottle stands still. That's the formula doing what it's meant to, not a fault or a sign it has gone off. Shake until the liquid looks uniform and use it straight away.

The skepticism is fair, and it comes down to size. Collagen in most products is an enormous molecule — skin simply doesn't let it through, so it sits on the surface and comes off overnight. Cutting it below 300 daltons changes that. It's the reason the number is printed on the bottle rather than buried in the ingredient list.

A serum, with more cushion than most. It goes before your moisturizer rather than instead of it. That said, if your skin runs oily you may find it's enough on its own at night — the cream layer gives it more substance than a watery serum has.

The filler-like part of the formula. It supports volume in areas where skin has started to look flat, so fine lines around the eyes and mouth appear softer and the surface looks plumper. It works on the shape of the skin rather than on hydration, which is why niacinamide is in there alongside it.

Plumpness and comfort turn up early, often within the first week — skin that looks less flat by morning is usually the first thing people mention. Firmness and fine lines take four to six weeks. One 30 ml bottle is about two months of nightly use, so a single bottle is enough to find out either way.

After cleansing and toner, before moisturizer. Shake first, then two or three pumps onto skin that's still slightly damp. Warm it between your palms and press it in rather than rubbing it around, and give the areas where lines bother you a second pass. In the morning, finish with SPF.

Yes. Let the active absorb first, then use this on top — the cushion it leaves usually makes a strong retinol easier to tolerate rather than harder, since a lot of retinol irritation is really barrier dryness. If your skin is already reacting, alternate nights until it settles.

Email us within 60 days and we'll refund it. You don't need to send the bottle back, and it doesn't matter how much you've used — sixty days is deliberately long enough to actually judge it rather than just try it.