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Daisy and 3000+ others purchased
4.8/5 (1.243+ reviews)Bestseller

Volume & Density Serum

$39.90
or 4 interest-free payments of $9.97 with

Restore your hair’s former volume and thickness in just 12 weeks.

Get back the fullness, volume and length your hair used to have. The Korean serum cares for your hair from the roots no minoxidil, non-greasy, in 10 seconds thanks to its built-in brush.

New confidence – in the mirror and in photos
Enjoy wearing your hair down or in a ponytail again
Feel the fullness of your hair between your fingers
Finally the length you've been dreaming of
Pink October Sale prices until Oct 31 only
Choose your routine

Start today → see fuller-looking roots by late January.

Ships todayFree shipping
90-day money-back guaranteeNo visible volume? You get a full refund – even if the bottle is empty.

Why a free bottle? One bottle lasts about 4 weeks, and visible volume shows after 6 to 8 weeks. We give you the second one so you can stick with it until you see results.

Description

The Korean hair serum that nourishes the scalp and strengthens hair from the roots, without minoxidil.

Is it right for my hair?

For all hair types, especially fine hair that has lost volume. Also suitable for color-treated hair.

How to use

Apply in the morning to a dry scalp: twist open the brush, massage in section by section, then style. Do not rinse.

Ingredients (full INCI)

Ingredients (INCI)

Water, Alcohol Denat., Butylene Glycol, Caffeine, 1,2-Hexanediol, Hydroxyacetophenone, PEG-60 Hydrogenated Castor Oil, Carbomer, Tromethamine, Glycerin, Menthol, Trideceth-10, Betaine, Disodium EDTA, Dipropylene Glycol, Panthenol, Hydrogenated Lecithin, Polyglyceryl-10 Laurate, Eucalyptus Globulus Leaf Oil, Diaminopyrimidine Oxide, Saccharomyces Cerevisiae Extract, Tocopherol, Houttuynia Cordata Extract, Camellia Japonica Flower Extract, Prunus Mume Flower Extract, Prunus Persica (Peach) Flower Extract, Althaea Rosea Flower Extract, Viola Mandshurica Flower Extract, Helianthus Annuus (Sunflower) Flower Extract, Lactobacillus Ferment, Polygonum Multiflorum Root Extract, Cynanchum Atratum Extract, Biotin, Copper Tripeptide-1, Inula Britannica Flower Extract, Lysimachia Foenum-graecum Extract

Loved by +3000 customers

Sylvana, 33
Verified purchase

After 13 weeks with Cosmelia's Growth & Density Serum, I barely recognize myself 😍 My part looks so much denser and my roots look so much fuller. Finally a serum that actually delivers!

Sabine, 47
Verified purchase · Volume

Over the years my hair lost more and more of its fullness. Even after blow-drying, it would fall flat again in no time. I just wanted the volume I used to have, and to feel good wearing my hair down again.

Petra, 52
Verified purchase · Length

My hair had become so thin that my scalp showed through more and more. I hardly dared to wear certain hairstyles anymore. I just wanted fuller, denser hair again, without trying to hide my part every morning.

Claudia, 44
Verified purchase · Density

I've always wanted long hair, but mine somehow never grew past my shoulders. It was thin and fragile, and the ends kept breaking. My wish was to finally have longer hair without giving up volume.

Birgit, 56
Verified purchase · Texture

Since menopause my hair has changed a lot. My part kept getting wider and my hair felt nowhere near as full as it used to. Everyone said it was normal at my age. But it still matters to me to have beautiful, full hair again.

Before
Week 12

Hair that gets its volume back

With age, stress or hormonal changes, hair grows back finer and barely reaches past the shoulders. Masks and oils stay on the lengths. Our serum is applied right at the roots, thanks to its built-in brush.

Works at the roots 10 seconds, no rinsing

Real results

98 %notice more volume at the roots after 6 weeks
96 %find their hair looks denser after 3 months
89 %felt no tingling at all

Why Cosmelia?

Cosmelia
Others
Denser-looking from the roots
Ja
Nein
Lightweight, fresh texture
Ja
Nein
Non-greasy, no rinsing
Ja
Nein
Built-in massage brush
Ja
Nein
90-day results guarantee
Ja
Nein

What's inside

Caffeine Energizes the scalp in the morning.
Biotin & Panthenol Strengthen the hair fiber from the roots.
Copper Tripeptide-1 A peptide that supports a healthy-looking scalp.
Korean botanicals Houttuynia, camellia, plum blossom.

The Cosmelia difference

10 seconds every morning

Twist, massage in, style. No rinsing.

Gentle on the scalp

Light, non-greasy, no residue.

90 days to try it

Not convinced? Money back, even if the bottle is empty.

FAQ

When will I see more volume?

Most customers notice more fullness at the roots after 4 to 6 weeks, and visible volume after 8 to 12 weeks of daily use.

How long does one bottle last?

About 4 weeks with daily use. That's why the 1+1 deal gives you the second bottle for free.

Can I use it alongside a treatment?

The serum is a cosmetic care product. If you are undergoing medical treatment, please ask your doctor first.

Will I lose the results if I stop?

We recommend using it for at least 3 to 4 months, then continuing as maintenance.

How does the 90-day guarantee work?

Try the serum for 90 days. If you're not happy, write to us and you'll get your money back – even if the bottle is empty.

How long does shipping take?

We ship the same business day. Delivery usually takes [2 to 4] business days – free and tracked.

Customer reviews

4.8/5 · 1,243 verified reviews
★★★★★ My blowout finally holds

My hair used to fall flat after an hour. For 7 weeks now, I've had volume at the roots all day long.

Sabine K., 47 · Verified purchase
★★★★★ My ponytail is thicker

I don't have to wrap my hair tie three times anymore. I noticed it after about 2 months.

Petra M., 52 · Verified purchase
★★★★★ Finally past my shoulders

My lengths had been stuck for years. After 4 months, they reach my shoulder blades.

Claudia S., 44 · Verified purchase
★★★★☆ You have to be patient

Nothing to see in the first month. From week 6, my roots look much fuller.

Andrea W., 38 · Verified purchase
★★★★★ Not greasy at all

I apply it to dry hair in the morning and style right away. No tingling.

Birgit H., 56 · Verified purchase
★★★★★ Fast shipping

Arrived in 3 days, well packaged, with the free bottle as promised.

Susanne B., 41 · Verified purchase
★★★★★ Customer service that actually replies

I had a question about my routine and got an answer the same day.

Monika R., 63 · Verified purchase
★★★★★ My hairdresser noticed

Without me saying anything, she asked what I was using.

Kerstin L., 45 · Verified purchase
★★★★★ Feels thicker

I can feel the difference when I run my hand through it. More grip.

Nicole F., 36 · Verified purchase
★★★★★ The brush makes the difference

The product goes straight onto the scalp, not the lengths. Very practical.

Stefanie G., 42 · Verified purchase
★★★★☆ Subtle scent

The scent is light and fades quickly. Visible volume after 2 months.

Martina P., 51 · Verified purchase
★★★★★ I'm sticking with it

The 2-month supply is done, now I'm getting the 2+2 bundle to keep going.

Anja T., 39 · Verified purchase
★★★★★ More volume on top

That was my flattest spot. Today my hairstyle holds much better.

Katrin D., 48 · Verified purchase
★★★★★ My vacation photos

Compared to last summer, you can really see the difference in density.

Silke N., 54 · Verified purchase
★★★★★ Easy to add to my routine

10 seconds in the morning, I never forget – it sits right next to my brush.

Julia V., 34 · Verified purchase
★★★★☆ Slow but real results

No miracle in 14 days, but after 2 months I clearly have more volume.

Heike Z., 58 · Verified purchase
★★★★★ Fine hair with fullness

I've always had very fine hair. It now looks much fuller.

Daniela A., 43 · Verified purchase
★★★★★ My husband noticed

He said my hair looked thicker. I hadn't told him anything.

Ute S., 61 · Verified purchase
★★★★★ After my pregnancy

My hair had lost all its volume. Within 3 months it got its fullness back.

Melanie K., 36 · Verified purchase
★★★★★ Nicer lengths

My ends break less, and I've finally gained a few inches.

Tanja E., 46 · Verified purchase
★★★★★ The matching shampoo

I got the 2+2 bundle – the shampoo is very gentle and pairs perfectly with the serum.

Simone J., 49 · Verified purchase
★★★★★ No irritation

I have a sensitive scalp and felt no tingling.

Ines O., 53 · Verified purchase
★★★★☆ Beautiful bottle

Easy to use, well thought out. First effects after 6 weeks.

Christina U., 40 · Verified purchase
★★★★★ I feel more beautiful

I wear my hair down again, without feeling self-conscious.

Gabriele W., 59 · Verified purchase
★★★★★ More bounce at the roots

My roots no longer stick to my head – my hair has its bounce back.

Sandra H., 44 · Verified purchase
★★★★★ Recommended by a friend

She got results, so I tried it. Three months later, I understand why.

Jessica M., 33 · Verified purchase
★★★★★ Works with my hair color

No problems with my hair color, and my hair looks denser.

Bettina R., 57 · Verified purchase
★★★★★ A routine that works

I had tried masks and oils. This one really works at the roots.

Doris K., 66 · Verified purchase
★★★★☆ Very good

You have to be consistent, but after 2 months the results are there.

Carina F., 35 · Verified purchase
★★★★★ My bun is twice as big

It used to be tiny. Now I finally have a real bun.

Manuela B., 50 · Verified purchase
N.º 1 suero coreano anticaída 🇰🇷

N.º 1 suero coreano anticaída 🇰🇷

$39.90