SPF Scout · Product record
Back 9ine Skincare, LLC Back9ine Skincare Pure Invisible Sunscreen SPF 50
SPF 50 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.
19 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 stabilizer (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)Restricted in the EUAn organic UV filter that absorbs ultraviolet light. It also adds scent to the product.
Octisalate
Light stabilizer (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 stabilizer (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.
Adansonia Digitata Oil
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)A baobab oil used to condition skin. It softens and smooths skin feel.
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.
listed as “Aloe Barbadensis Leaf Extract”
Arnica Montana Flower Extract
Fragrance ingredient (scent)Skin conditioning (CosIng functional class)This is an extract of arnica flower heads used to condition the skin and to add and carry scent. That means it helps soften skin feel while contributing to the product's fragrance.
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.
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 oxidizing)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.
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.
Cucumis Sativus Fruit Extract
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Cucumis Sativus Fruit Extract, from cucumber, conditions and softens the skin. It helps skin feel smooth and supple.
listed as “Cucumis Sativus (Cucumber) Fruit Extract”
Daucus Carota Sativa (Carrot) Seed Extract
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)This is an extract from carrot seeds that conditions the skin and softens it. In practice it helps keep skin feeling smooth and comfortable.
Dimethicone/Bis-Isobutyl Ppg-20 Crosspolymer
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)This is a silicone polymer that works as an emollient, softening and smoothing the skin feel. It also adjusts the thickness of the formula, helping give it body and a consistent texture.
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”
Hippophae Rhamnoides Fruit Oil
Skin protecting (CosIng functional class)Sea buckthorn fruit oil that works as a skin protectant. It helps form a layer on the skin's 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.
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.
A skin-conditioning ingredient that leaves skin feeling smooth. It also has antistatic properties, cutting down static cling.
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=974ede40-cfb5-4612-b168-5d42dd137f63
- 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
- 19
- Record checksum
- sha256:3004a6a0fedc29097eae0fddf4a31ffd24b2847476588d3e24a77bffb6388469
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