SPF Scout · Product record
Sun Bum Sun Bum 50 Mineral Sunscreen
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.
28 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.
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.
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.
listed as “Polyhydroxystearic Acid (2300 Mw)”
Helianthus Annuus Seed Oil
Emollient (softens and smooths skin)Occlusive (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Sunflower seed oil does several jobs: it softens and smooths skin, forms a light layer on the surface, and acts as a solvent to dissolve other ingredients. Together this helps skin feel smooth and holds the formula together.
listed as “Helianthus Annuus (Sunflower) Seed Oil”
Sodium Stearoyl Glutamate
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)This is a multi-tasking ingredient that helps oil and water mix so the product stays blended. It also works as a cleansing agent and softens the feel of skin and hair. In practice, it keeps the formula smooth and even while conditioning.
Microcrystalline Cellulose
Abrasive (physically scrubs)Absorbent (takes up oil or water)Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Emulsion stabiliser (keeps oil and water mixed)Light stabiliser (protects the formula from light)Opacifier (makes the formula less see-through)otherViscosity control (thickens or thins the formula)This is a multipurpose ingredient made from cellulose. It adjusts thickness, absorbs liquid, keeps the oil and water parts from separating, and makes the product look opaque. It also acts as a light stabilizer and a mild scrubbing agent.
Alumina
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)A mineral powder that soaks up excess oil, adjusts thickness, and keeps the formula from clumping. It also adds opacity and can act as a mild scrubbing agent, giving the product body and a smoother texture.
This is an emollient that softens and smooths skin feel. It gives the product a light, spreadable texture as it goes on.
Cellulose Gum
Binder (holds the formula together)Emulsion stabiliser (keeps oil and water mixed)Film forming (leaves a thin coating)Fragrance ingredient (scent)otherViscosity control (thickens or thins the formula)Cellulose Gum adjusts the thickness of a product and helps hold it together. It thickens the formula, keeps the oil and water parts from separating, and forms a thin film. It also appears on labels as carboxymethylcellulose.
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.
Isocetyl Stearoyl Stearate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)An oil-like emollient that softens and smooths skin feel. It also adjusts the thickness of the formula, helping it spread and hold together.
Methyl Dihydroabietate
Viscosity control (thickens or thins the formula)This ingredient adjusts the thickness of the product. It helps give the formula its body and flow.
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.
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.
A cleansing agent that lifts away dirt and oil. It also creates foam and helps water rinse things off. On labels it's counted among the milder sugar-based cleansers.
Silica Dimethyl Silylate
Anticaking (keeps powder free-flowing)Antifoaming (stops the formula foaming)Emollient (softens and smooths skin)Emulsion stabiliser (keeps oil and water mixed)otherSkin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)This is a modified silica powder that keeps the oil and water parts from separating and adjusts the product's thickness. It also softens skin feel, cuts down foaming, and stops powders from clumping.
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.
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.
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.
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.
Caprylhydroxamic Acid
Chelating (binds metal ions in the formula)An ingredient that binds trace metals which would otherwise spoil the formula. Keeping those metals tied up helps the product stay stable.
This is a film-forming polymer that also conditions the skin. It lays down a thin layer on the surface and helps the skin feel smooth.
listed as “Polyester-8 (1400 Mw, Cyanodiphenylpropenoyl Capped)”
Banana Peel
otherNo reviewed note yet.
Sodium Gluconate
Chelating (binds metal ions in the formula)Skin conditioning (CosIng functional class)Used to bind trace metals that would otherwise spoil the formula. It also conditions the skin, helping it feel smooth.
This is the juice from aloe leaves, used to condition skin. It helps skin feel smooth and in good condition. On labels it is often called aloe vera.
Tocopherol
Antioxidant (slows the formula oxidising)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.
Bentonite
Absorbent (takes up oil or water)Bulking agent (adds volume)Emulsion stabiliser (keeps oil and water mixed)Viscosity control (thickens or thins the formula)This is a clay that soaks up liquid and adds bulk to the formula. It also adjusts thickness and keeps the oil and water parts from separating.
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.
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=3a263b85-e7a0-c068-e063-6294a90a49f2
- Retrieved
- 27 July 2026
- Market
- United States
- Formulation date
- Not recorded
- Version
- v2 of this U.S. formulation
- Verification confidence
- High
- Entries recorded
- 28
- Record checksum
- sha256:5654def9ee18bd7cd76201a0605a81c3d7363b17456e586e919cbe651b2ded13
Other entries filed under this name
Our record also holds 1 earlier published entry filed under this same name. It may be a different product, not an earlier version of the formulation above. If your package does not match what is shown here, use "Report an incorrect formulation" below.
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