SPF Scout · Product record
Kao USA Inc. Hello Sunday The Mineral One Lightweight Serum SPF 50
SPF 50 as labeled
U.S. formulation · record last retrieved 21 September 2026
What is listed
The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.
39 entries · the stored declaration is recorded as complete.
What each ingredient generally does
Each entry that matched a canonical ingredient, with the function recorded for it. These notes describe the role an ingredient plays in a formulation. They do not assess an ingredient.
Zinc Oxide
Bulking agent (adds volume)Colorant (adds colour)Light stabiliser (protects the formula from light)Oral care (CosIng functional class)Preservative (inhibits microbial growth)Skin protecting (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)A mineral UV filter that absorbs ultraviolet light, the core sun-protection job in this product. It also helps protect the skin surface and can add whiteness or opacity. On some labels it appears as CI 77947 when used for colour.
C15-19 Alkane
Solvent (dissolves other ingredients)A light liquid solvent that dissolves other ingredients and helps them blend. It supports the formula spreading smoothly.
Hydrogenated Polydecene
Emollient (softens and smooths skin)Fragrance ingredient (scent)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)This is a multi-use ingredient that conditions skin and hair, acts as an emollient to soften and smooth, and works as a solvent to dissolve other ingredients. In practice it helps the product spread smoothly and keeps the mix even. It also carries fragrance in the formula.
Squalane
Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Refatting (CosIng functional class)Skin conditioning (CosIng functional class)An emollient that softens and smooths the skin, and also conditions hair. It leaves a smooth feel and helps replace oils on the surface.
Water
Antiplaque (CosIng functional class)otherSkin conditioning (CosIng functional class)Solvent (dissolves other ingredients)The base liquid that most of the other ingredients dissolve or spread into. It carries the formula and helps condition the skin surface.
listed as “WATER (AQUA)”
Caprylic/Capric Triglyceride
Emollient (softens and smooths skin)Fragrance ingredient (scent)Occlusive (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A light oil used as a solvent to dissolve other ingredients and as an occlusive that forms a layer helping hold in moisture. It can also add a bit of scent.
Silica
Abrasive (physically scrubs)Absorbent (takes up oil or water)Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Opacifier (makes the formula less see-through)otherViscosity control (thickens or thins the formula)Silica is a fine mineral powder that soaks up excess moisture and oil, and adjusts how thick the product feels. It keeps powders from clumping, adds bulk, and can make a formula look more opaque. Its chemical name is silicon dioxide.
Octyldodecanol
Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)An emollient that softens and smooths skin feel, and a solvent that helps dissolve other ingredients. It also carries fragrance. Together this means the product spreads smoothly and stays blended.
Synthetic Fluorphlogopite
Bulking agent (adds volume)Viscosity control (thickens or thins the formula)A mineral ingredient that adds bulk and adjusts the product's thickness. This helps give the formula its texture and body.
Propanediol
Humectant (holds moisture)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)A solvent that dissolves other ingredients and helps them blend evenly. It also adjusts the thickness of the formula.
Ethylene/Propylene/Styrene Copolymer
Viscosity control (thickens or thins the formula)This copolymer adjusts the thickness of the product. That helps give it the right texture and consistency.
An emollient that softens and smooths skin feel. It gives the product a smoother finish on the skin.
A moisture-grabbing ingredient that draws in and holds water. That keeps skin conditioned and helps it feel supple. It's the salt form of hyaluronic acid.
Sodium Hyaluronate Crosspolymer
Humectant (holds moisture)Skin conditioning (CosIng functional class)A linked-up form of hyaluronate that draws in and holds moisture. That keeps skin conditioned and hydrated feeling.
Hydrolyzed Sodium Hyaluronate
Skin conditioning (CosIng functional class)A skin-conditioning ingredient that keeps skin feeling smooth and cared for. It's a broken-down form of a common hydrating ingredient.
Tocopheryl Acetate
Antioxidant (slows the formula oxidising)otherSkin conditioning (CosIng functional class)Tocopheryl Acetate is a form of vitamin E that acts as an antioxidant, helping keep the formula from going off. It also conditions the skin, softening its feel.
Tocopherol
Antioxidant (slows the formula oxidising)Fragrance ingredient (scent)Occlusive (CosIng functional class)otherSkin conditioning (CosIng functional class)Tocopherol is a form of vitamin E used as an antioxidant, which helps keep the formula from going off. It also conditions skin and forms a thin surface layer that slows moisture loss. You may see it listed simply as vitamin E.
Aleurites Moluccanus Seed Oil
Skin conditioning (CosIng functional class)An oil pressed from the nuts of the kukui tree. It conditions the skin, keeping it soft and smooth. On labels it may also appear as kukui nut oil.
Glycine Soja Oil
Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Glycine Soja Oil, also labeled as soybean oil, is an emollient that softens and smooths skin feel. It conditions the skin and adds fragrance to the product.
listed as “GLYCINE SOJA (SOYBEAN) OIL”
Physalis Angulata Extract
Skin protecting (CosIng functional class)An extract from the physalis plant used as a skin protectant. It helps form a supportive layer on the skin's surface.
Pentylene Glycol
Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A skin-conditioning ingredient that also works as a solvent. It helps dissolve other ingredients and keeps skin feeling conditioned.
Polyglyceryl-3 Diisostearate
Surfactant (cleanses or mixes oil and water)An emulsifier that helps oil and water combine. It keeps the two parts of the product blended into a stable, uniform mix.
Oryza Sativa (Rice) Extract
Abrasive (physically scrubs)Absorbent (takes up oil or water)Bulking agent (adds volume)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)An extract of rice grains that conditions skin and hair, and can act as an abrasive and absorbent. It also adds bulk to the formula and can soak up excess moisture or oil.
Oryza Sativa Germ Extract
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An extract from rice germ that softens and smooths skin feel. It helps the surface feel conditioned.
listed as “ORYZA SATIVA (RICE) GERM EXTRACT”
Sodium Acetylated Hyaluronate
Humectant (holds moisture)A form of hyaluronic acid that draws in and holds moisture. This helps keep the product and skin from drying out.
Disteardimonium Hectorite
Light stabiliser (protects the formula from light)Viscosity control (thickens or thins the formula)A thickener that adjusts how thick or thin the product is. It also works as a light stabilizer, helping the formula hold up against light exposure.
Polyhydroxystearic Acid
Surfactant (cleanses or mixes oil and water)This is an emulsifier that helps oil and water mix. It keeps the oily and watery parts blended so the formula holds together.
Argania Spinosa Kernel Oil
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Argan oil, used as a skin conditioner and emollient. It softens and smooths skin feel and helps keep skin in good condition.
Polyglyceryl-2 Oleate
Surfactant (cleanses or mixes oil and water)This ingredient is an emulsifier, helping oil and water combine. It holds the oily and watery parts together in a single smooth blend.
Propylene Carbonate
Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)A solvent that dissolves and carries other ingredients, and it also adjusts the product's thickness. In practice it helps blend the formula and fine-tune its texture.
Ethylhexylglycerin
Deodorant (masks or reduces odour)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)A multi-tasker that conditions the skin and works as a deodorant agent. It helps improve skin feel while cutting odor.
Isostearic Acid
Binder (holds the formula together)Emollient (softens and smooths skin)Surfactant (cleanses or mixes oil and water)A multitasker that helps oil and water mix and works as a cleansing agent. It also helps bind the formula's parts together, keeping everything blended.
Lecithin
Antistatic (reduces static)Emollient (softens and smooths skin)otherSkin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Lecithin helps oil and water mix and softens skin feel. That keeps the water and oil parts blended and smooths the skin, and it also reduces static. It shows up on labels simply as Lecithin.
Polyglyceryl-3 Polyricinoleate
Surfactant (cleanses or mixes oil and water)Viscosity control (thickens or thins the formula)An ingredient that helps oil and water mix and adjusts the product's thickness. In practice it keeps the water and oil parts blended and gives the formula its body.
Polyglyceryl-2 Stearate
Surfactant (cleanses or mixes oil and water)This is an emulsifier, meaning it helps oil and water mix. It keeps the oily and watery parts held together in one even cream or lotion.
Butylene/Ethylene/Styrene Copolymer
Viscosity control (thickens or thins the formula)This copolymer adjusts the thickness of the product. It helps give the formula its body and texture.
Bisabolol
Fragrance ingredient (scent)otherSkin conditioning (CosIng functional class)Soothing (CosIng functional class)A conditioning and soothing ingredient that also adds a light fragrance. It softens the skin's feel and contributes scent to the product. On labels it may also appear as Levomenol.
A salt used mainly as a preservative to keep the product from spoiling. It also contributes to fragrance. In practice, it helps the formula stay stable over time.
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Antioxidant (slows the formula oxidising)An antioxidant. It helps slow the reactions with air that would otherwise spoil the formula over time.
Checking this against your own list
SPF Scout's Personal Ingredient Check runs in the app, on your device. This page cannot see a personal avoidance list. Your selections are stored on your phone and are never sent to this website. There is nowhere on our side for them to go.
In the app you choose the ingredients you already avoid, and every entry in this declaration that matches one of them is shown to you with the alias path that produced the match.
This comparison does not predict whether your skin will react.
Source quality
- Source
- DailyMed drug label
- Source record
- https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=0c91894f-a40e-73e9-e063-6394a90ab807
- Retrieved
- 21 September 2026
- Market
- United States
- Version
- v1 of this U.S. formulation
- Source tier
- Official label document (not independently verified by us)
- Entries recorded
- 39
- Record checksum
- sha256:54fef0b4406b51f7692c28fa0f550eb29bbea8fe7af982319e2bf7e65554c316
Always compare this record with your current package.