Deep Collagen | Korean Collagen Serum with Volufiline
Deep Collagen | Korean Collagen Serum with Volufiline
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How To Use
- Cleanse — wash and pat dry. It works best on bare, slightly damp skin.
- Two pumps — one for the face, one for the neck. That is the whole dose.
- Press it in — smooth it up and outward, then down over the neck. No rubbing needed, it sinks in on its own.
- Go right up to the lash line — pat gently over the orbital bone. No fragrance, no acids, so it will not sting. This is where most women see it first.
- Finish — it absorbs in seconds with no film, so makeup goes straight on top. In the morning, always add SPF.
- Under the eyes and the whole orbital area
- Cheeks and the hollows under the cheekbones
- Smile lines and nasolabial folds
- Marionette lines at the corners of the mouth
- Jawline, neck and décolleté
- How often? Morning and night. Hydration shows from day one, the change on lines lands around week four — give it a full month before you judge it.
- With other products? It replaces your serum, your moisturiser and, for most women, the eye cream too. Cleanse, apply, done. It layers fine under SPF and makeup, and on retinol nights it makes the retinol far more bearable.
- How long does a bottle last? 30 ml is about six weeks used twice a day on face and neck. So the Buy 1 Get 1 set is roughly a three-month supply, and the 2+2 set about six months.
Full Ingredients List
Fragrance-free, silicone-free. No essential oils, no acids, no retinol. Gentle on sensitive skin.
Shipping & Delivery
- United States — 7–12 business days
- United Kingdom — 6–10 business days
- Canada — 8–14 business days
- Australia — 8–14 business days
- New Zealand — 9–15 business days
30-Day Guarantee

The cream-serum that does both
Deep hydration & visibly firmer skin
30-day money-back guarantee
Sereia's Volufiline™ Cream-in-Serum
“I had never even heard of Volufiline. Twenty years of buying face creams and not one person had ever mentioned it to me. Four weeks in, the lines either side of my mouth are softer and my skin finally looks rested — my husband noticed before I said a word. What I still cannot get over is that something this simple was just never talked about.”
Verified customer
Volufiline™ plumps skin from within instead of sitting on the surface
Korean hydrolyzed collagen and Volufiline support visibly firmer skin over the weeks
The Real-Life Results
Loved by thousands of women over 40.
Where tired shows first
The skin under your eyes is the thinnest on your face. That is why shadows, crepey lines and puffiness land there years before anywhere else. Sereia's cream-in-serum is light enough to use right up to the lash line, and Volufiline and hydrolyzed collagen rebuild the volume that skin has lost.
For the right now.
And the much, much later.
Finally. A cream and a serum in one.
Day 1
To deep hydration
4 weeks
To visibly firmer skin
Why is Deep Collagen the best solution for you?
That's why 30,000+ women switched.
Powered by the Deep Collagenâ„¢ Complex
1. Volufiline 5%
The active that started it all. It was developed to build volume in the bust, and Korean formulators were the ones who thought to bring it to the face. It works on the skin’s own volume rather than on muscle, so skin looks fuller and firmer — never frozen.
2. Hydrolyzed Collagen
Collagen broken into fragments small enough to actually penetrate, unlike the collagen in jars and drinks that sits on top or gets digested. Tightens the skin, softens lines and improves elasticity.
3. Chondrus Crispus Extract
Irish sea moss. Soothes reactive skin and strengthens the barrier that mature skin loses with age, so moisture stays in instead of evaporating by mid-afternoon.
4. Multi-Hyaluron Complex
Three weights of hyaluronic acid in one complex — sodium hyaluronate, hydrolyzed hyaluronic acid and acetylated sodium hyaluronate. The small ones reach past the surface, the large ones hold water at the top. Delivers instant hydration and fills out fine lines from the inside so skin looks smooth rather than drawn.
5. Vitamin E
Nourishes and protects against the daily oxidative damage that thins skin over the years, while keeping the barrier strong.
4.8
Based on 8,078 verified reviews
We're here to help
Frequently asked questions
What makes Deep Collagen so effective and unique?
Two things. The first is Volufiline — an active created to build volume in the bust, which Korean formulators brought to the face. It works on the skin’s own volume, which is what actually disappears with age, rather than on muscle. The second is the format: a cream and a serum in one, so you get serum-level actives with cream-level moisture in a single step. That matters, because mature skin looks lined when it stops holding water, not when it is stripped.
How does the formula enriched with Volufiline help address fine lines, loss of volume, and skin elasticity?
Volufiline targets volume, hydrolyzed collagen targets elasticity, and sodium hyaluronate targets hydration. They work on the three things that change at once as skin ages. Volufiline plumps the areas that have hollowed — under the eyes, the cheeks, the folds around the mouth. Hydrolyzed collagen is cut small enough to penetrate and helps skin tighten and spring back. Sodium hyaluronate fills fine lines from the inside. Skin that is full and hydrated simply does not read as lined.
What are the main active ingredients in Deep Collagen?
Five, and nothing you do not need: Volufiline 5% for volume and firmness, hydrolyzed collagen to tighten and improve elasticity, Chondrus Crispus extract (Irish sea moss) to soothe and rebuild the barrier, a multi-hyaluron complex for instant hydration, and vitamin E to nourish and protect. No fragrance, no silicone, no acids, no retinol.
How do I use Deep Collagen to get the best results?
Two pumps on clean skin, morning and night. Work it up and outward across the face, then down over the neck — and pat it gently over the orbital bone right up to the lash line, because that is where most women see it first. It sinks in within seconds with no film, so your makeup goes straight on top. Add SPF in the morning; that is the one thing no cream can do for you.
Is Deep Collagen suitable for sensitive skin and all skin types?
Yes. Fragrance-free, silicone-free, no essential oils, no acids and no retinol. It is built around Chondrus Crispus and vitamin E, two ingredients whose job is to calm and repair the barrier rather than challenge it, and it is fragrance-free. If your skin is very reactive, patch test behind the ear first, as with anything new.
When will I start seeing results?
Hydration is immediate — skin feels comfortable and looks plumper from the first application. The visible change on lines follows your skin’s own renewal cycle: most women notice firmer, smoother skin from around week three, with the clearest difference at week four. Judge it at a month, not at a week. You have 30 days to decide, and if nothing has changed we refund you once the product is returned.


