SPF Scout · Product record
Cosmuses Cosmetics (Ningbo) Co., Ltd. REEF SAFE Unscented SPF Mineral Sunscreen
SPF 50 as labeled
U.S. formulation · record last retrieved 22 September 2026
What is listed
The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.
23 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.
Octocrylene
Light stabilizer (protects the formula from light)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)An organic UV filter that absorbs ultraviolet light. It also serves as a light stabilizer, helping keep other filters and the formula intact under sunlight.
Homosalate
Fragrance ingredient (scent)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)Restricted in the EUAn organic UV filter that absorbs ultraviolet light. It also adds scent to the product.
Avobenzone
Light stabilizer (protects the formula from light)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)An organic UV filter that absorbs ultraviolet light. It also acts as a light stabilizer, helping the formula hold up under sun exposure. On labels it also appears as Butyl Methoxydibenzoylmethane.
Octisalate
Light stabilizer (protects the formula from light)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)An organic UV filter that absorbs ultraviolet light, and doubles as a light stabilizer to keep the formula steady in sun. It also appears on labels as Ethylhexyl Salicylate.
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 “AQUA(WATER)”
Isononyl Isononanoate
Antistatic (reduces static)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An oily conditioning ingredient that softens and smooths skin feel. It also helps cut static, giving the product a light, spreadable texture.
C12-15 Alkyl Benzoate
Emollient (softens and smooths skin)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)This is a lightweight oily ingredient that softens and smooths the skin. It also helps keep the product fresh by limiting microbe growth.
Dimethicone
Antifoaming (stops the formula foaming)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)A silicone that softens and smooths skin feel and forms a protective layer on the surface. It also cuts down foam during production, keeping the formula settled.
Glycerin
Denaturant (makes alcohol undrinkable)Fragrance ingredient (scent)Hair conditioning (CosIng functional class)Humectant (holds moisture)Oral care (CosIng functional class)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)Glycerin draws in and holds moisture while conditioning and protecting skin. It also dissolves other ingredients, adjusts thickness, and can add scent. On labels it may appear as glycerol.
Ceteth-25
Surfactant (cleanses or mixes oil and water)Ceteth-25 helps oil and water mix and doubles as a cleansing agent. That keeps the water and oil parts blended together and helps rinse away dirt and oil.
Cetearyl Alcohol
Emollient (softens and smooths skin)Emulsion stabilizer (keeps oil and water mixed)Foam boosting (increases foam from other ingredients)Opacifier (makes the formula less see-through)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Viscosity control (thickens or thins the formula)A workhorse ingredient that softens skin feel, adjusts thickness, helps oil and water mix, and keeps the blend stable. In practice it thickens the product, keeps it from separating, gives a smooth feel, and can make the product look opaque. Despite its name, it behaves like a waxy solid, not a drying alcohol.
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.
VP/Hexadecene Copolymer
Binder (holds the formula together)Dispersing, non-surfactant (spreads solids without acting as a surfactant)Film forming (leaves a thin coating)Hair fixing (holds hair in place)otherViscosity control (thickens or thins the formula)A film-forming polymer that leaves a thin, even layer as the product dries. This helps the formula stay put on skin, keeps ingredients spread evenly, and adjusts how thick the product is. It also helps bind the mix together.
Glyceryl Stearate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Glyceryl Stearate is an emollient that softens and smooths skin feel. It also acts as an emulsifier, keeping the oil and water parts blended together.
PEG-100 Stearate
Surfactant (cleanses or mixes oil and water)A cleansing surfactant, meaning it helps lift away oil and dirt. It's often paired with other emulsifiers in creams.
Phenoxyethanol
Preservative (inhibits microbial growth)This is a preservative that fights microbes. It helps keep the product from spoiling over time.
Tocopherol
Antioxidant (slows the formula oxidizing)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.
Xanthan Gum
Binder (holds the formula together)Emulsion stabilizer (keeps oil and water mixed)Gel forming (sets the formula into a gel)otherSkin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Viscosity control (thickens or thins the formula)A thickener that adjusts how thick the product is and forms a gel-like texture. It keeps oil and water mixed and stops the blend from separating, giving a stable, even feel.
Pvp
Antistatic (reduces static)Binder (holds the formula together)Emulsion stabilizer (keeps oil and water mixed)Film forming (leaves a thin coating)Hair fixing (holds hair in place)Viscosity control (thickens or thins the formula)PVP is a multitasking ingredient that forms a film, binds ingredients together, and adjusts thickness. It also helps keep the mix stable, holds hair in place, and reduces static.
Ethylhexylglycerin
Deodorant (masks or reduces odor)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.
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 MAX (SOYBEAN) OIL”
Disodium EDTA
Chelating (binds metal ions in the formula)otherViscosity control (thickens or thins the formula)An ingredient that binds trace metals that would otherwise spoil the formula, and helps adjust its thickness. This keeps the product stable over time.
A binding ingredient that helps hold the parts of the formula together. It is often used to coat and bind powders in a mix.
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=286965aa-0961-0141-e063-6394a90aa3f0
- Retrieved
- 22 September 2026
- Market
- United States
- Version
- v1 of this U.S. formulation
- Source tier
- Official label document (not independently verified by us)
- Entries recorded
- 23
- Record checksum
- sha256:a9728e6f1c783a65d72da4f95b8d3ac1b0926f88900c808bd1be4719b5f3d9af
Always compare this record with your current package.