COSRX
AC Collection Lightweight Soothing Moisturizer
AC Collection Lightweight Soothing Moisturizer is a moisturiser from COSRX. Its official ingredient list includes Glycerin and Niacinamide. The brand lists 30 ingredients in this formula; each is explained below with its documented cosmetic functions.
- Routine step
- Moisturise
- Formula
- 30 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 |
|---|---|---|
| Propolis Extract | Skin conditioning | |
| Aloe Barbadensis Leaf Water | Scent | Adds or changes the product's scent. |
| Camellia Sinensis Leaf Water | ScentToning | Adds or changes the product's scent. Provides a feeling of well-being on skin or hair. |
| Butylene Glycol | Moisture bindingSkin conditioningFragrance supportDissolving ingredientsTexture | |
| Cetyl Ethylhexanoate | Softening | Helps soften and smooth the skin. |
| 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. |
| Niacinamide | Smoothing | |
| Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer | Formula stabilityTexture | Helps an emulsion stay mixed. Adjusts how thick or fluid the formula is. |
| Cyclomethicone | Fragrance supportSofteningDissolving ingredients | Supports the perfume or flavour mixture in a formula. Helps soften and smooth the skin. |
| Cetearyl Olivate | SofteningMixing oil and waterFormula stabilitySlip and feel | Helps soften and smooth the skin. Helps oil and water combine in a formula. |
| Betaine | Moisture bindingSkin conditioningTexture | Attracts and holds water. Used to help keep skin in good condition. |
| Cetearyl Alcohol | Formula stabilityFormula appearanceSofteningCleansingMixing oil and waterFoam supportTexture | Helps an emulsion stay mixed. Makes a formula less transparent. |
| Sorbitan Olivate | Mixing oil and water | Helps oil and water combine in a formula. |
| Panthenol | Skin conditioningFragrance support | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Ethylhexylglycerin | Skin conditioningOdour controlFragrance support | Used to help keep skin in good condition. Helps reduce or cover unwanted odour. |
| Allantoin | ComfortSkin conditioningSkin protection | Helps ease discomfort on skin or the scalp. Used to help keep skin in good condition. |
| 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. |
| Dimethicone/Vinyl Dimethicone Crosspolymer | Skin conditioningTexture | Used to help keep skin in good condition. Adjusts how thick or fluid the formula is. |
| Sodium Hyaluronate | Moisture bindingSkin conditioning | |
| Arginine | 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. |
| Betaine Salicylate | Microbial controlSurface exfoliation | Helps limit the growth of microorganisms. Helps loosen or remove material at the outer surface of the skin. |
| Mentha Haplocalix Extract | Scent | Adds or changes the product's scent. |
| Menthyl Lactate | ScentRefreshing | Adds or changes the product's scent. Produces a refreshing sensation on skin. |
| Citric Acid | pH controlFormula stabilityFragrance support | Helps keep the formula's acidity at the intended level. Binds metal ions that can interfere with the formula. |
| Melaleuca Alternifolia (Tea Tree) Leaf Oil | AntioxidantScent | Slows reactions involving oxygen, helping protect against oxidation. Adds or changes the product's scent. |
| Asiaticoside | AntioxidantScentSkin conditioning | Slows reactions involving oxygen, helping protect against oxidation. Adds or changes the product's scent. |
| Asiatic Acid | Light stabilitySkin conditioning | Helps protect the formula from changes caused by light. Used to help keep skin in good condition. |
| Madecassic Acid | Skin conditioning | Used to help keep skin in good condition. |
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Sources
- COSRX: AC Collection Lightweight Soothing MoisturizerChecked 2026-10-07T13:13:39.634229+00:00