A birch-sap barrier cream that holds hydration for 48 hours without a greasy finish - light enough to wear under sunscreen, rich enough for genuinely dry skin.
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Only 5 left in stock
Birch sap replaces most of the water in this formula, carrying sugars and amino acids that hold moisture in place rather than sitting on top of it. The result is a gel-cream that absorbs in seconds and still reads as hydrated two days later - which is why it works under sunscreen and makeup instead of fighting them.

A lightweight gel-cream that breaks under the fingertips and sinks in without tack. No film, no shine - it layers cleanly under SPF.


Listed as Betula Platyphylla Japonica Juice and sitting high in the formula, birch sap carries minerals and amino acids that draw water into the skin and help hold it there.

Provitamin B5. Calms the tightness and reactivity that come with a dehydrated barrier, and supports repair after sun, wind or air-conditioning.

Both hyaluronic acid and sodium hyaluronate are used, so moisture is bound at more than one depth rather than only at the surface.

Dipotassium glycyrrhizate, a licorice derivative used to settle redness and visible irritation on sensitive, easily-flushed skin.
Round Lab's Birch Juice Moisturizing Cream is the middle step of the brand's birch line, and the one most people end up buying twice.
The formula leads with Betula Platyphylla Japonica Juice - birch sap tapped from trees on Korea's Baekdudaegan range - in place of a large share of the water most creams are built on. Sap brings its own sugars, minerals and amino acids, which is why the cream hydrates without needing the heavy occlusives that make a moisturiser feel greasy.
Around it sit panthenol for barrier repair, hyaluronic acid and sodium hyaluronate to bind water at more than one depth, and dipotassium glycyrrhizate to calm visible redness. There is no added fragrance and no essential oil anywhere in the ingredient list, which matters if your skin is reactive.
In practice it behaves like a gel, not a balm. It disappears in seconds, leaves no shine, and takes sunscreen or makeup over the top without pilling - the reason it suits Gulf routines, where skin is dehydrated by air-conditioning indoors and heat outdoors on the same day.
Use it as the last step of both routines. On very dry skin, press a second layer over the driest areas rather than applying one thick coat.
Round Lab build around one hero ingredient at a time, and the birch line is the one our customers keep coming back for. We stock this cream specifically because it solves the problem most Gulf moisturisers don't: air-conditioning dries skin out all day, but a heavy occlusive is unwearable in 40-degree heat. This sits in between.
Water(Aqua), Glycerin, Isononyl Isononanoate, Isododecane, 1,2-Hexanediol, Pentylene Glycol, Polydecene, Betula Platyphylla Japonica Juice, Pentaerythrityl Tetraethylhexanoate, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyglyceryl-3 Methylglucose Distearate, Jojoba Esters, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Glyceryl Acrylate/Acrylic Acid Copolymer, Ethylhexylglycerin, Agar, Acacia Senegal Gum, Disodium EDTA, Dipotassium Glycyrrhizate, Hydrolyzed Hibiscus Esculentus Extract, Lupinus Albus Seed Extract, Moringa Oleifera Seed Extract, Panthenol, Melia Azadirachta Leaf Extract, Glyceryl Glucoside, Melia Azadirachta Flower Extract, Glyceryl Caprylate, Coccinia Indica Fruit Extract, Aloe Barbadensis Flower Extract, Solanum Melongena (Eggplant) Fruit Extract, Butylene Glycol, Ocimum Sanctum Leaf Extract, Corallina Officinalis Extract, Curcuma Longa (Turmeric) Root Extract, Sodium Hyaluronate, Hyaluronic Acid, Ascorbic Acid
Care & Use
Apply as the final step morning and night.
Apply as the final step morning and night.
For most dry skin, yes - used as the final step it holds hydration through the day. If your skin is severely dry or you are in air-conditioning constantly, press a second thin layer over the driest areas instead of one thick coat, or apply it over a hydrating toner while the skin is still damp.
It is formulated as a gel-cream rather than a balm and absorbs within seconds, leaving no shine. There are no heavy occlusive oils high in the ingredient list, which is what usually causes the greasy, pore-clogging feel of a rich moisturiser.
No. There is no Parfum, Fragrance or essential oil anywhere in the ingredient list. The botanical extracts present are used for their skin benefits, not for scent.
Yes - that is one of its strengths. It sinks in without tack, so SPF and base makeup layer over it cleanly rather than pilling. Give it thirty seconds to settle before the next step.
Birch sap is the fluid tapped from birch trees in spring. It carries naturally occurring sugars, minerals and amino acids that attract and hold water in the skin, so replacing part of the water phase with sap adds hydrating capacity the formula would otherwise need extra ingredients to achieve.
It is fragrance-free and includes licorice-root derivative to calm redness, which suits most sensitive skin. As with any new product, patch test on the inner arm for 24 hours first if your skin reacts easily.
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