Dr. Althea
15% Niacinamide Purity Serum
15% Niacinamide Purity Serum is a serum from Dr. Althea. Its official ingredient list includes Niacinamide and Glycerin. The brand lists 19 ingredients in this formula; each is explained below with its documented cosmetic functions.
- Routine step
- Serum
- Formula
- 19 listed ingredients
- Source version
- Global 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. |
| Pentylene Glycol | Skin conditioningFragrance supportDissolving ingredients | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Niacinamide | Smoothing | |
| Butylene Glycol | 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. |
| Glycerin | Moisture bindingSkin conditioningFragrance supportDissolving ingredientsTexture | |
| Polyglyceryl-10 Laurate | Skin conditioning | Used to help keep skin in good condition. |
| Trehalose | Moisture bindingMoisture support | Attracts and holds water. Helps support the skin's water content. |
| 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. |
| Ethylhexylglycerin | Skin conditioningOdour controlFragrance support | Used to help keep skin in good condition. Helps reduce or cover unwanted odour. |
| Disodium Edta | Formula stabilityFragrance supportTexture | Binds metal ions that can interfere with the formula. Supports the perfume or flavour mixture in a formula. |
| Rosmarinus Officinalis (Rosemary) Leaf Oil | Skin conditioningScent | Used to help keep skin in good condition. Adds or changes the product's scent. |
| Zinc PCA | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Melaleuca Alternifolia (Tea Tree) Leaf Oil | AntioxidantScent | Slows reactions involving oxygen, helping protect against oxidation. Adds or changes the product's scent. |
| Portulaca Oleracea Extract | Skin conditioning | Used to help keep skin in good condition. |
| Vitis Vinifera (Grape) Seed Extract | Sebum-related careMicrobial controlAntioxidantSkin protectionFormula UV protection | Used in products intended to address seborrhoeic skin or scalp conditions. Helps limit the growth of microorganisms. |
| Saururus Chinensis Extract | Skin conditioning | Used to help keep skin in good condition. |
| Rice Ferment Filtrate (Sake) | Skin conditioning | Used to help keep skin in good condition. |
| 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
- Dr. Althea: 15% Niacinamide Purity SerumChecked 2026-10-07T13:14:12.266124+00:00