SKIN1004
Hyalu-Cica Water-Fit Sun Serum SPF50+ PA++++
A sunscreen labelled SPF50+ PA++++ on SKIN1004's official UK-facing page, with niacinamide, centella and hyaluronic acid ingredients. This is the Water-Fit Sun Serum formula, distinct from the Sun Serum UV version.
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. |
| Dibutyl Adipate | SofteningSkin conditioningFilm formingFlexible textureDissolving ingredients | Helps soften and smooth the skin. Used to help keep skin in good condition. |
| Propanediol | Moisture bindingFragrance supportDissolving ingredientsTexture | Attracts and holds water. Supports the perfume or flavour mixture in a formula. |
| Diethylamino Hydroxybenzoyl Hexyl Benzoate | UV filteringFragrance supportLight stabilityFormula UV protection | Filters ultraviolet radiation as part of a sun-protection formula. Supports the perfume or flavour mixture in a formula. |
| Polymethylsilsesquioxane | Formula appearance | Makes a formula less transparent. |
| Ethylhexyl Triazone | UV filteringLight stabilityFormula UV protection | Filters ultraviolet radiation as part of a sun-protection formula. Helps protect the formula from changes caused by light. |
| Methylene Bis-Benzotriazolyl Tetramethylbutylphenol | UV filteringLight stability | Filters ultraviolet radiation as part of a sun-protection formula. Helps protect the formula from changes caused by light. |
| Niacinamide | Smoothing | |
| Coco-Caprylate/Caprate | SofteningSkin conditioning | Helps soften and smooth the skin. Used to help keep skin in good condition. |
| Caprylyl Methicone | Skin conditioning | Used to help keep skin in good condition. |
| Diethylhexyl Butamido Triazone | UV filteringLight stabilityFormula UV protection | Filters ultraviolet radiation as part of a sun-protection formula. Helps protect the formula from changes caused by light. |
| 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. |
| Butylene Glycol | Moisture bindingSkin conditioningFragrance supportDissolving ingredientsTexture | |
| Pentylene Glycol | Skin conditioningFragrance supportDissolving ingredients | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Behenyl Alcohol | SofteningBindingFormula stabilityFragrance supportTexture | Helps soften and smooth the skin. Helps ingredients hold together. |
| Poly C10-30 Alkyl Acrylate | Formula stabilityTexture | Helps an emulsion stay mixed. Adjusts how thick or fluid the formula is. |
| Polyglyceryl-3 Methylglucose Distearate | Mixing oil and water | Helps oil and water combine in a formula. |
| Decyl Glucoside | CleansingCleansingFormula stabilityFragrance support | Helps remove dirt and residue from the skin. |
| Tromethamine | pH controlScent | Helps keep the formula's acidity at the intended level. Adds or changes the product's scent. |
| Carbomer | Formula stabilityGel textureTexture | |
| Acrylates/C10-30 Alkyl Acrylate Crosspolymer | Formula stabilityFilm formingTexture | Helps an emulsion stay mixed. Leaves a thin film on a surface after application. |
| Sodium Stearoyl Glutamate | CleansingMixing oil and waterSkin conditioning | Helps remove dirt and residue from the skin. Helps oil and water combine in a formula. |
| Polyacrylate Crosspolymer-6 | Formula stabilityTexture | Helps an emulsion stay mixed. Adjusts how thick or fluid the formula is. |
| Ethylhexylglycerin | Skin conditioningOdour controlFragrance support | Used to help keep skin in good condition. Helps reduce or cover unwanted odour. |
| Adenosine | Skin conditioning | 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. |
| Centella Asiatica Extract | CleansingComfortSkin conditioningSmoothingToning | Helps remove dirt and residue from the skin. Helps ease discomfort on skin or the scalp. |
| t-Butyl Alcohol | Alcohol denaturingScentDissolving ingredients | Makes an alcohol-containing formula unsuitable for drinking. Adds or changes the product's scent. |
| Sodium Hyaluronate | Moisture bindingSkin conditioning | |
| Betula Platyphylla Japonica Bark Extract | 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. |
| Hydrolyzed Hyaluronic Acid | Moisture bindingSkin conditioning | |
| Camellia Sinensis Leaf Extract | Moisture bindingSofteningSkin conditioningAstringentMicrobial controlAntioxidantScentSkin protectionToningFormula UV protection | |
| Ginkgo Biloba Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Brassica Oleracea Italica (Broccoli) Sprout Extract | SofteningSkin conditioning | Helps soften and smooth the skin. Used to help keep skin in good condition. |
| Camellia Japonica Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Eruca Sativa Leaf Extract | Skin conditioning | Used to help keep skin in good condition. |
| Medicago Sativa (Alfalfa) Extract | Toning | Provides a feeling of well-being on skin or hair. |
| Triticum Vulgare (Wheat) Sprout Extract | Skin conditioningFragrance supportSkin protection | Used to help keep skin in good condition. Supports the perfume or flavour mixture in a formula. |
| Inositol | Moisture binding | Attracts and holds water. |
| Hyaluronic Acid | Moisture bindingMoisture supportSkin conditioning |
Sources
- SKIN1004: Hyalu-Cica Water-Fit Sun Serum SPF50+ PA++++ — full ingredient listChecked 2026-10-05T20:11:35.065470+00:00