haruharu wonder
Firming Serum (with Retinal 0.1%)
Firming Serum (with Retinal 0.1%) is a serum from haruharu wonder. Its official ingredient list includes Glycerin and Niacinamide. The brand lists 42 ingredients in this formula; each is explained below with its documented cosmetic functions.
- Routine step
- Serum
- Formula
- 42 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. |
| Dicaprylyl Carbonate | Skin conditioningSoftening | Used to help keep skin in good condition. 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 | |
| Methylpropanediol | Dissolving ingredients | Helps other ingredients dissolve in the formula. |
| Hydrogenated Poly(C6-14 Olefin) | Skin conditioningSofteningTexture | Used to help keep skin in good condition. Helps soften and smooth the skin. |
| Isododecane | SofteningScentDissolving ingredients | Helps soften and smooth the skin. Adds or changes the product's scent. |
| C12-15 Alkyl Benzoate | Skin conditioningSoftening | Used to help keep skin in good condition. Helps soften and smooth the skin. |
| Tocopheryl Acetate | AntioxidantFragrance supportSkin conditioning | Slows reactions involving oxygen, helping protect against oxidation. Supports the perfume or flavour mixture in a formula. |
| Panthenol | Skin conditioningFragrance support | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Polyglyceryl-3 Distearate | Mixing oil and water | Helps oil and water combine in a formula. |
| Isopropyl Myristate | BindingFragrance supportSoftening | Helps ingredients hold together. Supports the perfume or flavour mixture in a formula. |
| Palmitic Acid | SofteningMixing oil and water | Helps soften and smooth the skin. Helps oil and water combine in a formula. |
| Sodium Polyacrylate | SofteningSkin conditioningAbsorbingBindingFormula stabilityFilm formingTexture | Helps soften and smooth the skin. Used to help keep skin in good condition. |
| Stearic Acid | CleansingFormula stabilityScentLipid supportMixing oil and water | Helps remove dirt and residue from the skin. Helps an emulsion stay mixed. |
| Glyceryl Stearate | SofteningMixing oil and water | Helps soften and smooth the skin. Helps oil and water combine in a formula. |
| 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. |
| Retinal | Skin conditioning | Used to help keep skin in good condition. |
| Acrylates/C10-30 Alkyl Acrylate Crosspolymer | Formula stabilityFilm formingTexture | Helps an emulsion stay mixed. Leaves a thin film on a surface after application. |
| Dipotassium Glycyrrhizate | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Butylene Glycol | Moisture bindingSkin conditioningFragrance supportDissolving ingredientsTexture | |
| Tromethamine | pH controlScent | Helps keep the formula's acidity at the intended level. Adds or changes the product's scent. |
| Glyceryl Stearate Citrate | Skin conditioningSofteningMixing oil and water | Used to help keep skin in good condition. Helps soften and smooth the skin. |
| Adenosine | Skin conditioning | 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. |
| Centella Asiatica Extract | CleansingComfortSkin conditioningSmoothingToning | Helps remove dirt and residue from the skin. Helps ease discomfort on skin or the scalp. |
| Ficus Carica (Fig) Fruit Extract | Moisture binding | Attracts and holds water. |
| Lactococcus Ferment Lysate | 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. |
| Ceramide NP | Skin conditioning | |
| Fructooligosaccharides | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Cyperus Rotundus Root Extract | Skin conditioning | Used to help keep skin in good condition. |
| Sodium DNA | Skin conditioning | Used to help keep skin in good condition. |
| Caprylyl Glycol | SofteningSkin conditioningOdour controlFragrance support | Helps soften and smooth the skin. Used to help keep skin in good condition. |
| Sodium Chloride | Formula bodyScentTexture | Adds bulk to a formula. Adds or changes the product's scent. |
| Tripeptide-1 | Skin conditioningSkin protection | Used to help keep skin in good condition. Helps protect skin from external influences. |
| Acetyl Hexapeptide-8 | Moisture bindingSkin conditioning | Attracts and holds water. Used to help keep skin in good condition. |
| Copper Tripeptide-1 | Skin conditioning | Used to help keep skin in good condition. |
| Palmitoyl Pentapeptide-4 | Skin conditioning | Used to help keep skin in good condition. |
| Hexapeptide-9 | Skin conditioning | Used to help keep skin in good condition. |
More products in this category
Compare their ingredients and formulas.
Sources
- haruharu wonder: Firming Serum (with Retinal 0.1%)Checked 2026-10-07T13:01:19.112862+00:00