SPF Scout · Product record
The Center Brands, LLC Prequel Sun Barrier Mineral Sunscreen Broad Spectrum SPF 50
SPF 50 as labeled
U.S. formulation · record last retrieved 19 August 2026
What is listed
The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.
45 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.
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.
An emollient oil that softens and smooths the skin feel. It gives the product a lighter, more spreadable texture on skin.
Butyloctyl Salicylate
Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A liquid that conditions skin and hair and acts as a solvent. It softens skin feel and helps dissolve and spread other ingredients in the mix.
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.
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.
Cetearyl Olivate
Emollient (softens and smooths skin)Emulsion stabiliser (keeps oil and water mixed)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Slip modifier (changes how the formula spreads)Surfactant (cleanses or mixes oil and water)This is an emulsifier that helps oil and water mix and keeps that blend from separating. It also softens skin, conditions hair, and adds slip so the product glides on.
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.
Sorbitan Olivate
Surfactant (cleanses or mixes oil and water)An emulsifier that helps oil and water stay mixed so the product doesn't separate. This keeps the texture even and stable.
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.
Sorbitan Olivate
Surfactant (cleanses or mixes oil and water)An emulsifier that helps oil and water stay mixed so the product doesn't separate. This keeps the texture even and stable.
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.
Pongamia Pinnata Seed Extract
Skin conditioning (CosIng functional class)A seed extract used as a skin conditioner. It helps keep skin feeling soft and smooth.
Zingiber Officinale Root Extract
Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Tonic (CosIng functional class)This is an extract of ginger root that conditions the skin, leaving it feeling smooth. It also adds fragrance and works as a tonic, giving a refreshed feel. You may see it listed by its ginger source name.
Tetrahydrodiferuloylmethane
Antioxidant (slows the formula oxidising)An antioxidant that helps protect the formula from damage caused by air.
Tetrahydrodemethoxydiferuloylmethane
Antioxidant (slows the formula oxidising)Oral care (CosIng functional class)Skin conditioning (CosIng functional class)This works as an antioxidant, protecting the formula from damage caused by air. It also conditions the skin and is used in oral care products.
Tetrahydrodemethoxydiferuloylmethane
Antioxidant (slows the formula oxidising)Oral care (CosIng functional class)Skin conditioning (CosIng functional class)This works as an antioxidant, protecting the formula from damage caused by air. It also conditions the skin and is used in oral care products.
Calendula Officinalis Flower Extract
Fragrance ingredient (scent)Skin conditioning (CosIng functional class)A flower extract used to condition the skin, meaning it helps soften and smooth skin feel. It also adds scent to the product.
Camellia Sinensis Leaf Extract
Antioxidant (slows the formula oxidising)Astringent (CosIng functional class)Emollient (softens and smooths skin)Fragrance ingredient (scent)Humectant (holds moisture)Oral care (CosIng functional class)otherPreservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Tonic (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)An extract from tea leaves that does several jobs: it draws in and holds moisture, softens the skin, and works as an antioxidant. It also acts as an astringent and adds a mild scent. On labels this is the tea leaf extract.
Chamomilla Recutita Flower Extract
Fragrance ingredient (scent)Skin conditioning (CosIng functional class)An extract of chamomile flowerheads that conditions skin and adds fragrance. It helps skin feel soft and smooth while contributing to the product's scent.
Centella Asiatica Extract
Skin conditioning (CosIng functional class)Smoothing (CosIng functional class)Soothing (CosIng functional class)Surfactant (cleanses or mixes oil and water)Tonic (CosIng functional class)An extract of the whole centella plant that cleans, conditions, smooths and soothes skin, and acts as a tonic. In practice it helps lift away dirt while leaving skin feeling smoother and refreshed. Sometimes listed under its common name, gotu kola.
Phenoxyethanol
Preservative (inhibits microbial growth)This is a preservative that fights microbes. It helps keep the product from spoiling over time.
This is an ester made from polyglycerin combined with lauric and succinic acids. No official function is listed for it.
Lauroyl Lysine
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)Lauroyl Lysine conditions skin and hair and helps adjust the product's thickness. That means it can leave a soft, smooth feel while shaping the texture of the formula.
A binding ingredient that helps hold the parts of the formula together. It is often used to coat and bind powders in a mix.
Arachidyl Alcohol
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 multitasking ingredient that softens and smooths skin feel, adjusts the product's thickness, and keeps the mix stable. In practice, it helps give the formula its body and holds it together.
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.
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.
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.
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.
VP/Eicosene Copolymer
Binder (holds the formula together)Film forming (leaves a thin coating)Viscosity control (thickens or thins the formula)VP/Eicosene Copolymer forms a thin film on the skin and helps hold the formula together. It also adjusts the product's thickness, so it stays put and has the right texture.
Arachidyl Glucoside
Surfactant (cleanses or mixes oil and water)A surfactant that helps clean and helps oil and water mix. In practice, it keeps the water and oil parts blended into one smooth product.
This is a chelating agent. It binds trace metals that would otherwise spoil the formula.
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.
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.
Cetyl Alcohol
Emollient (softens and smooths skin)Emulsion stabiliser (keeps oil and water mixed)Foam boosting (increases foam from other ingredients)Fragrance ingredient (scent)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 multitasking fatty alcohol that helps oil and water mix and keeps the blend stable, while softening skin. It also thickens the formula and makes it more opaque, and can boost foam and cleansing.
Tin Oxide
Abrasive (physically scrubs)Bulking agent (adds volume)Opacifier (makes the formula less see-through)otherViscosity control (thickens or thins the formula)Tin Oxide is a mineral powder that works as a bulking agent and adjusts a product's thickness. It also adds opacity, making a formula look more solid or less see-through, and can act as a mild abrasive.
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.
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.
Sorbitan Oleate
Surfactant (cleanses or mixes oil and water)An emulsifier that keeps oil and water mixed together in the formula. This helps the product stay smooth and evenly blended.
listed as “Soribitan Oleate”
Titanium Dioxide
Colorant (adds colour)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.
listed as “Titanium Dioxide (CI 77891)”
Mica
Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Colorant (adds colour)Opacifier (makes the formula less see-through)otherMica is a mineral used to add color and to make the product look opaque rather than see-through. It also keeps powders from clumping and adds bulk to the formula.
listed as “Mica (CI 77019)”
A colorant that gives the product its shade. On labels it can also appear as CI 77491, CI 77492, or CI 77499.
listed as “Iron Oxides (CI 77499, CI 77491)”
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=cd35ae20-d5b7-479d-8a5e-0278eae9e83c
- Retrieved
- 19 August 2026
- Market
- United States
- Formulation date
- Not recorded
- Version
- v1 of this U.S. formulation
- Verification confidence
- High
- Entries recorded
- 45
- Record checksum
- sha256:a7d82e41ab5ed07cb246ae8b798c4047b82e7cb643d22b42c0c7bb1810aa793f
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