ROUND LAB
Birch Moisturizing SerumPaula's Choice
1% Retinol BoosterA serum built around Hyaluronic acid and Vitamin C, for hydration and barrier repair.
A serum built around Retinoid and Ceramide, for barrier repair and hydration.
Brand price
USD 26.35 · checked 25 Sept 2026 · brand's site
Brand price
USD 55.00 · checked 8 Oct 2026 · brand's site

At a Glance

They come out differently on Silicone-free, Pore-clogger-free, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.

Benefits

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
Hydrating5
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Ceramide NP, Dipotassium Glycyrrhizate, Glycerin, Glyceryl Ascorbate
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Allantoin, Avena Sativa Kernel Extract, Caprylyl Glycol, Carthamus Tinctorius Seed Oil, Ceramide NP, Glycerin
Reduces Irritation3
Eases discomfort and supports skin resilience.
Allantoin, Avena Sativa Kernel Extract, Dipotassium Glycyrrhizate

Concerns

May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Carthamus Tinctorius Seed Oil, Ceramide NP, Ethylhexyl Olivate, Hydrogenated Lecithin, Palmitoyl Tripeptide-1, Polyglyceryl-10 Laurate, Polysorbate 20

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
Skin Conditioning
Betula Platyphylla Japonica Juice
Skin Conditioning
Humectant
Humectant
Water (in both products)
Skin Conditioning
Skin Conditioning
0 / 0
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Polyglyceryl-10 Caprylate/Caprate
Cleansing
Skin Conditioning
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Retinoid
- Acne Fighting
- Anti-Aging
- Dark Spots
- Firming
- Oil Control
- Pore Refining
- Smoothing
Glycyrrhiza Glabra
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- Hydrating
- May Worsen Seborrheic Dermatitis
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 →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 →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 →Dipotassium Glycyrrhizate
Humectant, Skin Conditioning
.alpha.-d-Glucopyranosiduronic acid, (3.beta.,20.beta.)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-.beta.-d-glucopyranuronosyl-, dipotassium salt
Learn more about Dipotassium Glycyrrhizate →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →Avena Sativa Kernel Extract
Abrasive, Antioxidant, Skin Conditioning, Emollient
Avena Sativa Kernel Extract is colloidal oatmeal.
Learn more about Avena Sativa Kernel Extract →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →
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