SPF Scout · Product record
L'Oreal USA Products Inc Prada Reveal Skin Optimizing Foundation Broad Spectrum SPF 17 Sunscreen
SPF 17 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.
34 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.
Ensulizole
Light stabilizer (protects the formula from light)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)Ensulizole is an organic UV filter that absorbs ultraviolet light, so less of it reaches the skin. It also acts as a light stabilizer, helping the formula hold up under sun exposure. You may see it listed as Phenylbenzimidazole Sulfonic Acid.
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.
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.
Isododecane
Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A light fluid that acts as a solvent, keeping other ingredients dissolved and evenly blended. It also softens skin feel and can carry fragrance. It leaves a quick, non-heavy finish as it spreads.
Alcohol Denat.
Antifoaming (stops the formula foaming)Astringent (CosIng functional class)Fragrance ingredient (scent)otherPreservative (inhibits microbial growth)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)Alcohol Denat. is ethyl alcohol with additives that make it undrinkable, used as a solvent to dissolve ingredients and thin the formula. It also cuts foam, tightens skin as an astringent, and adjusts thickness. Denat. simply means it has been denatured.
listed as “alcohol denat”
Trimethylsiloxysilicate
Antifoaming (stops the formula foaming)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)A silicone-based ingredient that conditions and softens skin. It also cuts down foaming during mixing, keeping the formula from getting bubbly.
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.
PEG/PPG-18/18 Dimethicone
Surfactant (cleanses or mixes oil and water)A silicone-based emulsifier that helps oil and water mix. This keeps the watery and oily parts of the product blended into one smooth, stable formula.
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.
An ingredient that smooths the skin's surface. In practice, it helps the product leave skin feeling even.
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.
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.
Polysilicone-11
Film forming (leaves a thin coating)This is a film former, a silicone-based ingredient. It leaves a thin, even layer on the skin as the product dries down.
Hydroxyethylpiperazine Ethane Sulfonic Acid
Buffering (holds the formula at a set acidity)This is a buffering ingredient. It keeps the product's acidity steady so the formula stays balanced. On labels it may appear under its short name, HEPES.
Sodium Chloride
Bulking agent (adds volume)Fragrance ingredient (scent)Oral care (CosIng functional class)otherViscosity control (thickens or thins the formula)Common table salt, used here mainly to adjust the thickness of the formula. It can also act as a bulking agent to add body, and shows up in oral care products. On labels it's simply salt.
Phenoxyethanol
Preservative (inhibits microbial growth)This is a preservative that fights microbes. It helps keep the product from spoiling over time.
PEG-10 Dimethicone
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)A silicone-based ingredient that conditions skin and hair. In practice it helps leave a smooth, soft feel.
Silica Silylate
Anticaking (keeps powder free-flowing)Antifoaming (stops the formula foaming)Bulking agent (adds volume)Emollient (softens and smooths skin)Emulsion stabilizer (keeps oil and water mixed)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)A treated silica powder that helps hold the mix together, adjusts thickness, and adds bulk. It softens skin feel, reduces foaming, and keeps powders free-flowing.
Sodium Hydroxide
Buffering (holds the formula at a set acidity)Denaturant (makes alcohol undrinkable)otherRestricted in the EUSodium Hydroxide is a strongly alkaline ingredient used in tiny amounts to fine-tune a formula's acidity (buffering). This keeps the product's pH steady. It can also act as a denaturant, altering another substance so it stays fit for use in cosmetics rather than being consumed.
Disodium Stearoyl Glutamate
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)A cleansing agent that helps oil and water mix and lifts away dirt. It also conditions skin and hair, leaving a softer feel.
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.
Parfum
Fragrance ingredient (scent)This is the fragrance, a blend of scent ingredients added to give the product an odor or mask other smells. It's also listed as "aroma" on some labels.
listed as “fragrance”
Alpha-Glucan Oligosaccharide
otherSkin conditioning (CosIng functional class)Smoothing (CosIng functional class)Surfactant (cleanses or mixes oil and water)A sugar-based ingredient that conditions and smooths the skin, and can also work as a cleansing agent. In practice it helps the product leave skin feeling smooth and soft.
Aluminum Hydroxide
Emollient (softens and smooths skin)Humectant (holds moisture)Opacifier (makes the formula less see-through)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Viscosity control (thickens or thins the formula)A mineral ingredient that draws in and holds moisture, softens skin feel, and adjusts the product's thickness. It also adds opacity and forms a protective layer on the skin's surface.
This is a skin-conditioning ingredient, the juice pressed from yacon roots. It helps keep skin feeling soft and conditioned.
Limonene
Deodorant (masks or reduces odor)Fragrance ingredient (scent)Solvent (dissolves other ingredients)Restricted in the EULimonene works as a scent ingredient and a solvent that helps dissolve other ingredients. It also acts as a deodorant, masking or adjusting odor in the formula.
Maltodextrin
Absorbent (takes up oil or water)Binder (holds the formula together)Emulsion stabilizer (keeps oil and water mixed)Film forming (leaves a thin coating)Hair conditioning (CosIng functional class)otherSkin conditioning (CosIng functional class)Maltodextrin is a multitasking carbohydrate. It soaks up excess liquid, holds ingredients together, keeps the oil-and-water mix stable, and forms a thin film while conditioning skin and hair.
Alpha-Isomethyl Ionone
Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Restricted in the EUA scent ingredient that adds fragrance to the product, and also conditions the skin. In practice it shapes how the sunscreen smells while helping skin feel conditioned.
Lactobacillus is a microorganism used here as a skin-conditioning ingredient. In practice it helps the product leave skin feeling soft and smooth.
Geraniol is a fragrance ingredient that gives the product its scent. It also acts as a tonic, adding a fresh feel.
Citronellol is a fragrance ingredient. Its job is to give the product a scent.
Citric Acid
Buffering (holds the formula at a set acidity)Chelating (binds metal ions in the formula)Fragrance ingredient (scent)otherCitric Acid is a mild acid used to fine-tune a formula's pH. It keeps the acidity steady (buffering), binds trace metals that would spoil the formula (chelating), and can add a scent note.
Titanium Dioxide
Colorant (adds color)Opacifier (makes the formula less see-through)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)Titanium Dioxide is a mineral UV filter that absorbs ultraviolet light. It also works as a white colorant and opacifier, adding whiteness and making the product less see-through. As a color additive it appears on labels as CI 77891.
A colorant that gives the product its shade. On labels it can also appear as CI 77491, CI 77492, or CI 77499.
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=e74a8c43-ec70-4de1-b2b5-0e89e40bfb40
- 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
- 34
- Record checksum
- sha256:7b868da9d92c5b6e2a3665d4d16be054faea703a4381cbbd989bdc2aa07f9187
Always compare this record with your current package.