01
Lactobacillus Ferment Lysate
Lactobacillus Ferment Lysate
Supports the skin’s surface environment and helps create more favourable conditions for moisture retention.
STEP 4 OF 8 IN THE HYDRATION RITUAL
The Jelly : Prebiotic Hydration Serum
prebiotic hydration barrier serum
A weightless gel-serum that settles into the skin, softens the feel of dehydration, and leaves the surface quietly hydrated for hours.
€40
- Vegan and cruelty-free
- Made fresh once you order
- Dispatched within 2 working days
- Free EU shipping over 90 €
Made fresh for you once you order · dispatched within 2 working days.
On the skin
What this bottle brings
- 01
Weightless jelly that sinks in fast
- 02
Leaves skin soft, plumped and hydrated
- 03
Supports steadier moisture across the day
Why this exists
Many hydration serums focus on the sensation of adding water, but not on why skin keeps losing it. This formula is built for skin that feels tight, papery, or unevenly dry despite frequent serum use, where the issue is often a surface environment that is not holding moisture consistently. By combining Lactobacillus Ferment Lysate with two forms of hyaluronic acid and Sodium PCA, it supports the skin’s own moisture balance at the surface while delivering immediate hydration. The result is a serum that does not simply sit on top of the skin. It absorbs quickly, conditions the surface, and helps create a steadier hydration baseline through the day and into the night.
Inside the bottle
The key actives
02
Hydrolyzed Hyaluronic Acid
Hydrolyzed Hyaluronic Acid
Delivers lighter hydration into the upper layers of the stratum corneum for a plumper-looking feel.
03
Sodium Hyaluronate
Sodium Hyaluronate
Binds moisture at the surface to keep skin feeling smoother and more dewy in good light.
04
Sodium PCA
Sodium PCA
Replenishes a component of the skin’s natural moisturising factor to support everyday hydration.
05
Pogostemon Cablin Oil
Pogostemon Cablin Oil
Provides a very faint warm-green finish that fades quickly after application.
On the skin
A clear soft jelly with a light bounce on the fingers. It thins on contact with warm skin and absorbs in under thirty seconds. The finish is calm and conditioned, with no tack or film.
Where this sits
Your place in The Hydration Ritual
From first cleanse to final seal, this is step 4 of 8 in the full Hydration Ritual : the lightweight serum that restores hydration before cream.
- Step 1The Cloud Gentle Cleansing Foam
- Step 2The Mist Microbiome Face Mist
- Step 3The Drink Double Hydration Gel
- Step 4The Jelly Prebiotic Hydration SerumYou are here
- Step 5The Dew Marine Ferment Hydrating Serum
- Step 6The Plump Bouncing Serum
- Step 7The Veil Daily Hyaluronic Face Cream
- Step 8The Soak Urea & Panthenol Comfort Cream
Build it as a ritual
Build yourHydration Ritual
Add the steps you don't already use. Your bag updates in real time. Rewards apply at checkout, automatically.
The Cloud Gentle Cleansing Foam
€35
The Mist Microbiome Face Mist
€40
The Drink Double Hydration Gel
€40
The Jelly Prebiotic Hydration Serum
€40
The Dew Marine Ferment Hydrating Serum
€45
The Plump Bouncing Serum
€50
The Veil Daily Hyaluronic Face Cream
€50
The Soak Urea & Panthenol Comfort Cream
€55
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Includes The Hydration.
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The application
How to layer this
-
1
Cleanse first
Apply to clean, towel-dried skin in the morning and evening before any heavier moisturiser or cream. This keeps the serum in direct contact with the skin’s surface.
-
2
Press, do not rub
Use two to three drops for the face and neck, then press gently into place. Pressing helps preserve the gel structure and supports even distribution.
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3
Layer your next step
Follow with moisturiser or cream to seal in hydration. In the morning, finish with SPF as the last step in your ritual.
What to expect
On the skin, over time
Day 1
Skin feels softer and more comfortable within minutes of application, especially in areas where dehydration tends to show first. The surface looks a little smoother and less thirsty.
Week 1
The tight, papery feeling after cleansing is less noticeable. Skin holds moisture more evenly through the day, so it feels less dependent on repeated layering.
Week 4
Hydration feels steadier, with less fluctuation from weather and cleansing. The skin’s baseline comfort is more consistent across morning and night.
The deeper detail
The formulation, the provenance, the standard
Formulation
The prebiotic at the centre of this serum is Lactobacillus Ferment Lysate, a postbiotic byproduct of controlled fermentation. Applied topically, it supports the commensal bacterial population on the skin's surface, which in turn supports a more coherent and resilient barrier response. It is dosed at a level where it functions as an active, not a label claim.
Hydrolyzed Hyaluronic Acid and Sodium Hyaluronate provide hydration at two depths simultaneously. The hydrolyzed form penetrates into the upper layers of the stratum corneum, where it contributes to plumper, more even-looking skin. Sodium Hyaluronate works at the surface, binding atmospheric moisture and maintaining the smooth, dewy finish visible in good light. Sodium PCA, a component the skin already produces as part of its natural moisturising factor, completes the hydration layer by restoring what environmental stress and cleansing routinely strip away.
The texture is a clear, soft jelly : it thins slightly on contact with warm skin and absorbs in under thirty seconds, leaving the surface feeling conditioned rather than treated. A low-level Pogostemon Cablin oil provides the very faint, warm-green finish that dissipates quickly.
Provenance
A small-batch boutique skincare house, made to order. Every bottle is formulated and filled within two working days of your order, then dispatched from the fulfilment centre closest to you : our European facility for United Kingdom and European Union customers, our United States facility for North American customers. Because every bottle is bottled to order, what arrives at your door is at the peak of its actives : nothing has been sitting against light, heat, or oxygen for months. Two-day production is the price of formulation freshness, and the boutique standard we hold ourselves to.
Cruelty-free. Vegan. Dermatologically tested. Gluten free. Natural certified (Ecocert COSMOS Natural).
From our community
Reviews and reflections
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does the job
Dropper gives two or three drops, texture's a clear jelly that spreads thin. Works before cream at night or under SPF. Subtle plump but noticeable when my cheeks look tired from heating.
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Verified
nice but goes quick
Love the weightless bounce, no tack at all. Layers under moisturiser well and my skin feels calmer after cleansing. Only issue is the bottle's just 30ml so I'm trying not to use it twice a day because I'll run out fast. Wish it came in a bigger size because I genuinely enjoy using it morning and evening.
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Verified
the one i notice when its gone
Two or three drops before cream and my skin looks softer within minutes. Hydration actually lasts till afternoon which is rare for me. I do like that it's made to order but honestly I keep buying it because it just works on my dry skin.
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Verified
lovely texture, tiny bottle
Jelly texture absorbs fast and I see a bit of plump. But 30ml disappears when you use it twice daily.
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restrained but steady
Does what it says quietly. Surface feels softer and my skin holds hydration more evenly through the day. Not flashy but for a temperamental barrier that consistency is the win.
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elegant
Absorbs fast. Skin stays comfortable.
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Verified
sits neatly under moisturiser
Three drops, clear jelly, settles almost instantly. Skin looks more even and less papery by lunch. Faint scent disappears quickly so it layers without leaving a film.
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Verified
well judged
Quick plump, steadier by evening.
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Verified
not sticky
Light, sits under heavier cream no fuss.
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Calm on skin
Cheeks look less red and it stays calm under cream.
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Verified
sorted my dry patches
Bought it for dehydrated cheeks. Absorbs in seconds, leaves soft surface not slippery. After a week skin held moisture better through the day.
Every OVESSI order is prepared once you place it. Your order is filled, sealed and labelled for you, then dispatched within 2 working days. Nothing waits on a warehouse shelf.
- ✦Made fresh
- ○ 2-day dispatch
- →UK 3 to 7 / EU 5 to 10 / US 2 to 5 days
In case you wondered
Frequently asked
What makes this serum different from a standard hyaluronic acid serum?
This formula combines two forms of hyaluronic acid with Lactobacillus Ferment Lysate and Sodium PCA. It is designed to support the skin’s moisture environment, not only add a quick surface hit of hydration.
Can I use it morning and night?
Yes. It is intended for both morning and evening use on clean, towel-dried skin.
What skin types is it suitable for?
It is suitable for all skin types, and especially useful for dehydrated or barrier-compromised skin.
Will it feel sticky under moisturiser?
No. The texture is a light gel that absorbs quickly and leaves a conditioned finish rather than a tacky one.
Can I use it with other serums?
Yes. Apply it before any heavier moisturiser or cream, and layer other compatible serums according to texture and need.
When will my order arrive?
We start preparing your bottle once your order is placed and dispatch within 2 business days. From dispatch, delivery is UK 3 to 7 business days, EU 5 to 10 business days, US 2 to 5 business days.
Pair it with
Complete the Hydration Ritual
Small batch. Filled for you. Made in EU and US.
