Image: roundlab.com
ROUND LAB
Birch Moisturizing Sheet Mask
A mask built around Hyaluronic acid, for hydration and barrier repair.
Brand price
USD 3.40 · checked 25 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Sensitive skin
How to use
After cleansing and toning, apply mask on evenly, leave on for 10 minutes. Remove mask and tap lightly for remaining residual ampoule to get fully absorbed into skin.
What's inside
Ingredients List
2 trigger at least one check · 20 trigger none
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating4
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Dipotassium Glycyrrhizate, Propanediol, Sodium Hyaluronate
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Reduces Irritation2
Eases discomfort and supports skin resilience.
Concerns
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Ingredients Explained
Click on any ingredient to learn more about it
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Glycine
Antistatic, Buffering, Hair Conditioning, Skin Conditioning
Glycine
Learn more about Glycine →Methylpropanediol
Solvent
2-Methyl-1,3-propanediol
Learn more about Methylpropanediol →Betula Platyphylla Japonica Juice
Skin Conditioning
Betula Platyphylla Japonica Juice is the sap from the tree, Betula platyphylla japonica, Betulaceae
Learn more about Betula Platyphylla Japonica Juice →Althaea Rosea Flower Extract
Skin Conditioning
Althaea Rosea Flower Extract is the extract of the flowers of the hollyhock, Althaea rosea, Malvaceae
Learn more about Althaea Rosea Flower Extract →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Hydroxyacetophenone
Antioxidant
Hydroxyacetophenone is the organic compound
Learn more about Hydroxyacetophenone →Tromethamine
Buffering, Fragrance
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
Learn more about Tromethamine →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →
Dupes
- ROUND LAB Mugwort Calming Sheet Mask87% match
- ROUND LAB Soybean Nourishing Sheet Mask73% match
- Skin1004 Poremizing Clarifying Mask70% match
- Medicube PDRN Pink Vita Coating Sheet Mask70% match
- Rejuran Perfect V Tighter68% match
- COSRX Advanced Snail Mucin Power Sheet Mask68% match