SPF Scout · Product record
Farmasi US LLC Dr. C. Tuna Sunscreen 50 SPF UVA UVB Protection Face and Body Sun
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.
22 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.
Octinoxate
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 when exposed to sunlight. You'll often see it listed as Ethylhexyl Methoxycinnamate.
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.
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.
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”
C12-15 Alkyl Benzoate
Emollient (softens and smooths skin)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)This is a lightweight oily ingredient that softens and smooths the skin. It also helps keep the product fresh by limiting microbe growth.
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.
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.
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.
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.
Ethylhexyl Palmitate
Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)A lightweight oil that softens and smooths the skin feel. It gives the product a slip that helps it spread easily, and it also adds scent.
Ceteareth-20
Surfactant (cleanses or mixes oil and water)A cleansing agent that also helps oil and water mix. It lifts away dirt and keeps the water and oil parts of the product from separating.
Styrene/Acrylates Copolymer
Film forming (leaves a thin coating)Opacifier (makes the formula less see-through)Styrene/Acrylates Copolymer forms a film and makes the product look opaque. In practice it leaves a thin layer on the skin and gives the formula a non-transparent appearance.
Cyclopentasiloxane
Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)This is a lightweight silicone used to condition skin and hair and to soften and smooth skin feel. It also acts as a solvent, helping the product spread and dissolve other ingredients.
Phenoxyethanol
Preservative (inhibits microbial growth)This is a preservative that fights microbes. It helps keep the product from spoiling over time.
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.
Adansonia Digitata Seed Oil
Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)This is the oil pressed from baobab tree seeds, used as an emollient that softens and smooths skin feel. It also conditions skin and hair, leaving them feeling supple. On labels it may appear as baobab seed oil.
Calophyllum Inophyllum Seed Oil
Antioxidant (slows the formula oxidising)Hair conditioning (CosIng functional class)Oral care (CosIng functional class)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)A seed oil that conditions skin and hair, softening and smoothing them. It also acts as an antioxidant to help keep the formula from going off, and appears in oral care products.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabiliser (keeps oil and water mixed)Film forming (leaves a thin coating)otherViscosity control (thickens or thins the formula)A large chain-like molecule that stabilises emulsions, keeping the oil and water parts mixed. It also forms a thin film on the surface and adjusts the thickness of the product.
listed as “Acrylates/ C10-30 Alkyl Acrylate Crosspolymer”
Triethanolamine
Buffering (holds the formula at a set acidity)Fragrance ingredient (scent)Surfactant (cleanses or mixes oil and water)A buffering agent that sets and steadies the product's acidity level. It also helps oil and water mix, aids cleansing, and contributes to fragrance.
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.
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.
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=27fdbd2b-60de-4906-a176-5c5198d9925b
- 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
- 22
- Record checksum
- sha256:cd6f492e5632f3c4206a7b750114c8a6ebe00e4e05fc34775a86d96d4123bd42
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