SPF Scout · Product record
I World LLC Poolside Butter Screen SPF 30 Sunscreen Butter
SPF 30 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.
25 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.
Homosalate
Fragrance ingredient (scent)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 adds scent to the product.
Octocrylene
Light stabiliser (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.
Octisalate
Light stabiliser (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.
Avobenzone
Light stabiliser (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.
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.
Propylene Glycol
Fragrance ingredient (scent)Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)A multi-tasker that draws in and holds moisture, dissolves other ingredients as a solvent, and adjusts thickness. It also plays a role in fragrance and general skin conditioning. In practice it helps keep the product from drying out and keeps the texture consistent.
Behenyl Alcohol
Binder (holds the formula together)Emollient (softens and smooths skin)Emulsion stabiliser (keeps oil and water mixed)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)A multitasker that softens and smooths skin while adjusting the product's thickness. It also helps hold the mix together and keeps the oil and water parts from separating.
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.
Cetearyl Alcohol
Emollient (softens and smooths skin)Emulsion stabiliser (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.
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.
1,2-Hexanediol
Humectant (holds moisture)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A fluid that acts as a solvent, dissolving other ingredients so they blend evenly. It also conditions the skin, leaving it feeling smooth.
Phenoxyethanol
Preservative (inhibits microbial growth)This is a preservative that fights microbes. It helps keep the product from spoiling over time.
Parfum
Fragrance ingredient (scent)This is the fragrance, a blend of scent ingredients added to give the product an odour or mask other smells. It's also listed as "aroma" on some labels.
listed as “FRAGRANCE”
Potassium Cetyl Phosphate
Surfactant (cleanses or mixes oil and water)Potassium Cetyl Phosphate helps oil and water mix so the product stays blended. It also works as a cleansing agent that helps lift away oil and dirt.
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.
Xanthan Gum
Binder (holds the formula together)Emulsion stabiliser (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.
Trehalose is a sugar used as a humectant, meaning it draws in and holds moisture. That keeps skin and the formula from drying out.
Simmondsia Chinensis Seed Oil
Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)This is jojoba seed oil, used to soften and smooth skin. It conditions both skin and hair, leaving a smoother feel.
listed as “SIMMONDSIA CHINENSIS (JOJOBA) SEED OIL”
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.
Cocos Nucifera Oil
Emollient (softens and smooths skin)Fragrance ingredient (scent)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)This is coconut oil, used to soften and condition skin and hair. It smooths the feel of the product and adds scent. You may also see it listed simply as coconut oil.
listed as “COCOS NUCIFERA (COCONUT) OIL”
Butyrospermum Parkii Butter
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)This is shea butter, a rich fat that softens and smooths the skin. It also adjusts the thickness of the product, giving it more body. You may see it listed under its common name, shea butter.
listed as “BUTYROSPERMUM PARKII (SHEA) BUTTER”
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.
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.
Allantoin
otherSkin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Soothing (CosIng functional class)Allantoin is a skin-conditioning and skin-protecting ingredient with a soothing role. It helps keep skin feeling smooth and comfortable and forms a protective feel on the surface.
Methicone
Antistatic (reduces static)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Methicone is a silicone that softens and smooths the skin feel. It also cuts static, and helps the product glide on.
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=ae838725-79ab-4c17-905b-d4138ad6af1f
- 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
- 25
- Record checksum
- sha256:eb5ddc15068ffca0e05e77302d9aab4ecd5aa6b575c6600740fec6226176bd4d
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