Round Lab
Birch Moisturizing Serum
Birch Moisturizing Serum is a serum from Round Lab. Its official ingredient list includes Glycerin. The brand lists 40 ingredients in this formula; each is explained below with its documented cosmetic functions.
- Routine step
- Serum
- Formula
- 40 listed ingredients
- Source version
- US brand store
- Formula checked
- 7 October 2026
Inside the formula
A few ingredients worth getting to know, and the roles they play.
Ingredient roles do not establish how well the finished product works. Open a card for its explanation and sources.
Ingredients, decoded
The ingredient list below comes from the brand's formula listing. Open an explanation to see the evidence and things to keep in mind.
| On the label | What it does | The plain-English take |
|---|---|---|
| Water | Fragrance supportDissolving ingredients | Supports the perfume or flavour mixture in a formula. Helps other ingredients dissolve in the formula. |
| Methylpropanediol | Dissolving ingredients | Helps other ingredients dissolve in the formula. |
| Glycerin | Moisture bindingSkin conditioningFragrance supportDissolving ingredientsTexture | |
| 1,2-Hexanediol | Skin conditioningFragrance supportDissolving ingredients | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Polyglycerin-3 | Moisture binding | Attracts and holds water. |
| Caprylic/Capric Triglyceride | Skin conditioningFragrance support | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Betula Platyphylla Japonica Juice(10,000ppm) | Skin conditioning | Used to help keep skin in good condition. |
| Sodium Hyaluronate | Moisture bindingSkin conditioning | |
| Glyceryl Glucoside | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Hydrolyzed Hyaluronic Acid | Moisture bindingSkin conditioning | |
| Butylene Glycol | Moisture bindingSkin conditioningFragrance supportDissolving ingredientsTexture | |
| Hyaluronic Acid | Moisture bindingMoisture supportSkin conditioning | |
| Ascorbic Acid | AntioxidantpH controlFragrance supportSkin conditioning | Slows reactions involving oxygen, helping protect against oxidation. Helps keep the formula's acidity at the intended level. |
| Beta-Glucan | Formula bodySkin conditioning | Adds bulk to a formula. Used to help keep skin in good condition. |
| Dipotassium Glycyrrhizate | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Hydrogenated Lecithin | Mixing oil and waterSkin conditioning | Helps oil and water combine in a formula. Used to help keep skin in good condition. |
| Ethylhexylglycerin | Skin conditioningOdour controlFragrance support | Used to help keep skin in good condition. Helps reduce or cover unwanted odour. |
| Eclipta Prostrata Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Laminaria Japonica Extract | Skin protection | Helps protect skin from external influences. |
| Avena Sativa (Oat) Kernel Extract | Exfoliating textureAntioxidantFragrance supportSkin conditioningSoftening | Adds particles that help remove surface material through rubbing. Slows reactions involving oxygen, helping protect against oxidation. |
| Cynara Scolymus (Artichoke) Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Pteris Multifida Extract | AntioxidantSkin conditioning | Slows reactions involving oxygen, helping protect against oxidation. Used to help keep skin in good condition. |
| Melia Azadirachta Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Melia Azadirachta Flower Extract | Skin conditioning | Used to help keep skin in good condition. |
| Coccinia Indica Fruit Extract | Skin conditioning | Used to help keep skin in good condition. |
| Aloe Barbadensis Flower Extract | Skin conditioningSoftening | Used to help keep skin in good condition. Helps soften and smooth the skin. |
| Solanum Melongena (Eggplant) Fruit Extract | Skin conditioning | Used to help keep skin in good condition. |
| Ocimum Sanctum Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Corallina Officinalis Extract | Skin conditioning | Used to help keep skin in good condition. |
| Curcuma Longa (Turmeric) Root Extract | Scent | Adds or changes the product's scent. |
| Cyclohexasiloxane | Skin conditioningSofteningDissolving ingredients | Used to help keep skin in good condition. Helps soften and smooth the skin. |
| Dipropylene Glycol | Fragrance supportDissolving ingredientsTexture | Supports the perfume or flavour mixture in a formula. Helps other ingredients dissolve in the formula. |
| Ammonium Acryloyldimethyltaurate/VP Copolymer | Texture | Adjusts how thick or fluid the formula is. |
| Xanthan Gum | Mixing oil and waterSkin conditioningBindingFormula stabilityFragrance supportGel textureTexture | Helps oil and water combine in a formula. Used to help keep skin in good condition. |
| Fructooligosaccharides | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Carbomer | Formula stabilityGel textureTexture | |
| Disodium EDTA | Formula stabilityFragrance supportTexture | Binds metal ions that can interfere with the formula. Supports the perfume or flavour mixture in a formula. |
| Polyquaternium-51 | Film formingSkin conditioning | Leaves a thin film on a surface after application. Used to help keep skin in good condition. |
| Tromethamine | pH controlScent | Helps keep the formula's acidity at the intended level. Adds or changes the product's scent. |
| Tocopherol | Skin conditioningAntioxidantFragrance support | Used to help keep skin in good condition. Slows reactions involving oxygen, helping protect against oxidation. |
More products in this category
Compare their ingredients and formulas.
Sources
- Round Lab: Birch Moisturizing SerumChecked 2026-10-07T13:00:31.957791+00:00