SPF Scout · Product record

Olay OLAY Prime plus Protect Facial Sunscreen with Vitamin C SPF35 Matte Finish

SPF 35 as labeled

U.S. formulation · record last retrieved 27 July 2026

What is listed

The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.

Avobenzone, Homosalate, Octisalate, Octocrylene, Water, tapioca starch, dimethicone, niacinamide*, 3-O-ethyl ascorbic acid**, tocopheryl acetate***, caprylyl glycol, dimethiconol, cetearyl glucoside, cetearyl alcohol, stearic acid, palmitic acid, disodium EDTA, sodium polyacrylate starch, PEG-100 stearate, polymethylsilsesquioxane, 1,2-hexanediol, phenoxyethanol, iodopropynyl butylcarbamate, fragrance

24 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Tapioca Starch

    Viscosity control (thickens or thins the formula)

    Tapioca Starch is a fine powder that adjusts thickness. It helps give the product its body and texture.

  • 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.

  • Niacinamide

    otherSmoothing (CosIng functional class)

    An ingredient that smooths the skin's surface. In practice, it helps the product leave skin feeling even.

    listed as “niacinamide*

  • 3-O-Ethyl Ascorbic Acid

    Skin conditioning (CosIng functional class)

    A form of vitamin C used to condition the skin. That means it works to keep skin feeling soft and smooth.

    listed as “3-O-ethyl ascorbic acid**

  • 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.

    listed as “tocopheryl acetate***

  • Caprylyl Glycol

    Deodorant (masks or reduces odour)Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)

    A multi-tasker that conditions skin and hair and acts as a deodorant. As an emollient it softens and smooths, leaving skin feeling conditioned.

  • Dimethiconol

    Antifoaming (stops the formula foaming)Emollient (softens and smooths skin)Moisturising (CosIng functional class)Skin conditioning (CosIng functional class)

    A silicone fluid that softens and smooths skin feel while adding moisture. It also keeps foaming down during production. On skin this leaves a smooth, conditioned surface.

  • Cetearyl Glucoside

    Surfactant (cleanses or mixes oil and water)

    A cleansing agent that also helps oil and water mix. It keeps the watery and oily parts of the product blended together and helps lift away dirt.

  • 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.

  • Stearic Acid

    Emulsion stabiliser (keeps oil and water mixed)Fragrance ingredient (scent)otherRefatting (CosIng functional class)Surfactant (cleanses or mixes oil and water)

    Stearic Acid helps oil and water mix, keeps that blend from separating, and cleanses. It also softens skin feel and adds scent, so it keeps the product stable and smooth while contributing fragrance.

  • Palmitic Acid

    Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)

    Palmitic Acid softens and smooths the skin feel while also helping oil and water mix. That means it keeps the formula blended and contributes to how it sits on skin.

  • 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.

  • Sodium Polyacrylate Starch

    Absorbent (takes up oil or water)Binder (holds the formula together)Emulsion stabiliser (keeps oil and water mixed)Film forming (leaves a thin coating)Viscosity control (thickens or thins the formula)

    A starch-based polymer that soaks up liquid, thickens the formula, and forms a thin film as it dries. It helps hold the mix together, keeps oil and water from separating, and adjusts how thick the product is.

  • 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.

  • Polymethylsilsesquioxane

    Opacifier (makes the formula less see-through)

    This is an opacifier, meaning it makes the product look less see-through. It gives the formula a more solid, opaque appearance.

  • 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.

  • Iodopropynyl Butylcarbamate

    Preservative (inhibits microbial growth)

    A preservative that keeps the product from spoiling. It holds off the growth of microbes so the formula stays stable 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

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=10bd41ac-9b96-840d-e063-6394a90a98d9
Retrieved
27 July 2026
Market
United States
Formulation date
Not recorded
Version
v2 of this U.S. formulation
Verification confidence
High
Entries recorded
24
Record checksum
sha256:c49aa4c3ea33b7547bcdde0112f7e3e0d96ecc97d20e1df153456d0a168f48fb

Earlier readings of this document

We have read this product's source document twice, and kept each reading. The earlier reading is ours: a change in how we read the document, not a change the manufacturer made to the formula.

Always compare this record with your current package.

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