Quench Serum
Dual-Weight Hyaluronic Acid Plumping Serum
30 ml / 1.01 fl oz Ecocert COSMOS Natural certified.
Drenches parched skin with multi-depth moisture. Plumps fine dehydration lines so skin stays supple past 2 PM.
Free with your plan
- Ecocert COSMOS Natural
- Ships in 24 hours
- European formulation standards
- +96% Measured Hydration: Clinically shown to lift skin moisture levels in placebo-controlled testing.
- Dual Molecular Depths: Low-weight molecules penetrate deep; high-weight molecules seal surface water.
- Zero Stickiness: Absorbs in twenty seconds, creating a smooth, pill-free anchor for your moisturizer.
The problem it solves
Why this step exists, and what it changes.
You apply moisturizer in the morning, but by midday your cheeks feel tight, dry, and uncomfortable. Creams only seal what is already there. If your skin is dehydrated underneath, sealing it with oil does not put water back in. Quench Serum restores that missing reservoir.
How it works on the skin
A water-light, fast-absorbing serum formulated with two distinct weights of hyaluronic acid. The lower molecular weight travels into the epidermis to plump fine lines and bind water internally, while the higher weight forms a breathable shield at the surface to arrest moisture evaporation. Bisabolol and Nordic cloudberry extract soothe redness and defend against daily environmental stress.
What is in it
- Hyaluronic AcidDual-molecular hyaluronic acid: hydrolyzed hyaluronic acid penetrates deep to plump dehydration lines, while sodium hyaluronate locks in surface hydration.
- BisabololChamomile-derived active that calms reactive irritation and reduces visible redness.
- Cloudberry Fruit ExtractWild-harvested Nordic berry rich in vitamins C and E to defend skin from environmental dullness.
- Peony Root ExtractBotanical antioxidant that supports an even, luminous skin tone.
- Ecocert COSMOS Natural certified
- Vegan
This one is scented. The fragrance is named in the list below.
How to use it
- 01Dispense 3 to 4 drops directly onto clean fingertips.
- 02Press gently into face and neck while skin is still slightly damp from cleansing.
- 03Wait 20 seconds for complete absorption before applying your moisturizer.
- How often
- Morning & Evening
- Where in the routine
- After cleansing, before moisturizer.
Who it is for. And who it is not.
Buy it if
- You moisturize in the morning and your face is tight again by mid afternoon.
- Your cream is doing the whole job on its own, and losing.
- Dehydration lines look deeper on a dry day than they did the week before.
Skip it if
- Fragrance is a problem for you. This formula contains subtle botanical fragrance components. Hydration Serum puts the water back with five ingredients and no fragrance.
- You need an oil-free formula for breakout-prone skin. Jojoba seed oil is included here to cushion hydration. Balance Gel has no oil in it at all.
- You want one bottle to finish the job. Hyaluronic acid holds water, it does not seal it in. Put Barrier Cream over the top.
Works with
The rest of the routine this one belongs to.
C1Reset CleanserThe step before. Clean skin is what the directions ask for.$19.60 $28.00
B1Balance GelSeals it in without a film, for oily and combination skin.$29.40 $42.00
S1Barrier CreamSeals it in properly, for dry and reactive skin.$29.40 $42.00
Calibrate the rest of your ritual.
Skincare works best as a calibrated system rather than isolated bottles. Take our 2-minute quiz to build your complete custom routine. Your first box is $49 for three products, $59 for four. After it, 20% off every refill and free US shipping. Pause or cancel anytime.
Formulation standards
European cosmetic standard production.
ISO 22716 Certified
Formulated and produced in European GMP-certified facilities with strict batch traceability.
Ecocert COSMOS Natural
Certified to the Ecocert COSMOS Natural standard.
Pure Formulations
Zero synthetic mineral oils, zero phthalates, zero microplastics, and zero animal testing.
Read before you buy
What the skin is doing, and the studies behind the ingredient. Written by us, cited to the paper.
Dry and dehydrated skinRoutine guide
The Routine for Dry and Dehydrated Skin
Three steps, morning and night, for skin that feels tight, flakes or drinks up moisturizer by noon. What each step does to the outer layer and how long it takes
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Sensitive and reactive skinIngredient
Aloe Vera for Skin: What the Leaf Juice Does and What a Trial Measured
Aloe leaf juice is a humectant. In a trial it raised the water content of the outer skin without changing water loss, so it hydrates but does not seal.
5 min read · 3 sources
Dry and dehydrated skinGuide
Dehydrated Skin vs Dry Skin, and How to Tell Which You Have
Dry skin is short of oil. Dehydrated skin is short of water, and can be oily at the same time. The signs that separate them, a sink test, and what each needs.
7 min read · 6 sources