ROUND LAB
Birch Moisturizing SerumA serum built around Vitamin E, for hydration and barrier repair.
A serum built around Hyaluronic acid and Vitamin C, for hydration and barrier repair.
Brand price
USD 45.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 26.35 · checked 25 Sept 2026 · brand's site
At a Glance
They come out differently on Fragrance-free and Silicone-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating12
Boosts hydration and relieves dry, tight skin.
Anhydroxylitol, Beta-Glucan, Betaine, Butylene Glycol, Glucose, Glycerin, Hydrolyzed Hyaluronic Acid, Propanediol, Squalane, Tocopherol, Xylitol, Xylitylglucoside
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Betaine, Cetearyl Alcohol, Glycerin, Glyceryl Stearate Citrate, Squalane, Tocopherol, Undaria Pinnatifida Extract, Xylitol
Hydrating12
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Butylene Glycol, Caprylic/Capric Triglyceride, Dipotassium Glycyrrhizate, Fructooligosaccharides, Glycerin, Glyceryl Glucoside, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Polyglycerin-3, Sodium Hyaluronate, Tocopherol
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Aloe Barbadensis Flower Extract, Avena Sativa Kernel Extract, Caprylic/Capric Triglyceride, Cyclohexasiloxane, Glycerin, Laminaria Japonica Extract, Tocopherol
Reduces Irritation3
Eases discomfort and supports skin resilience.
Avena Sativa Kernel Extract, Beta-Glucan, Dipotassium Glycyrrhizate
Concerns
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Cetearyl Alcohol, Glyceryl Stearate Citrate, Hydrogenated Lecithin, Polyglyceryl-3 Methylglucose Distearate, Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
1,2-Hexanediol (in both products)
Skin Conditioning
Emollient
2 / 1
- Fatty alcohol
- Fatty alcohols (Malassezia)
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Water (in both products)
Skin Conditioning
1,2-Hexanediol (in both products)
Skin Conditioning
Betula Platyphylla Japonica Juice
Skin Conditioning
Humectant
Hydrolyzed Hyaluronic Acid (in both products)
Humectant
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Ammonium Acryloyldimethyltaurate/Vp Copolymer
Viscosity Controlling
Ammonium Acryloyldimethyltaurate/VP Copolymer is a copolymer of ammonium acryloyldimethyltaurate and vinylpyrrolidone monomers
Learn more about Ammonium Acryloyldimethyltaurate/Vp Copolymer →Carbomer
Emulsion Stabilising, Gel Forming, Viscosity Controlling
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
Learn more about Carbomer →Tromethamine
Buffering, Fragrance
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
Learn more about Tromethamine →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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Birch Moisturizing Serum
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