SPF Scout · Product record

ROUND LAB ROUND LAB BIRCH JUICE MOISTURIZING UVLOCK SUNSCREEN SPF45 BROAD SPECTRUM

SPF 45 as labeled

U.S. formulation · record last retrieved 5 August 2026

What is listed

The ingredient declaration stored for this formulation, reproduced exactly as it was recorded from the source below.

Homosalate, Octisalate, Avobenzone, Water, Butyloctyl Salicylate, Propanediol, Acrylates Copolymer, Butylene Glycol, Caprylyl Methicone, Polyglyceryl-3 Distearate, Benzotriazolyl Dodecyl P-Cresol, Niacinamide, Diethylhexyl 2,6-Naphthalate, Polymethylsisesquioxane, Glycerin, Calcium Aluminum Borosilicate, 1,2-Hexanediol, Poly C10-30 Alkyl Acrylate, Pentylene Glycol, Cetearyl Aloohol, Tromethamine, Methy propanediol, Glyceryl Stearate Citrate, Betula Platyphylla Japonica Juice, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Carbomer, Ethylhexylglycerin, Artemisia Annua Extract, Anthemis Nobilis Flower Oil, Sodium Stearoyl Glutamate, Glyceryl Polymethacrylate, Triethoxycaprylylsilane, Pinus Sylvestris Leaf Oil, Sparassis Crispa Extract, Polyether-1, Allantoin, Di-propylene Glycol, Glyceryl Glucoside, Biosaccharide Gum-1, Tocopherol, Portulaca Oleracea Extract, Sodium Hyaluronate, Hyaluronic Acid, Ascorbic Acid

44 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.

  • 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.

  • Octisalate

    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, and doubles as a light stabilizer to keep the formula steady in sun. It also appears on labels as Ethylhexyl Salicylate.

  • 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.

  • 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.

  • 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.

  • Acrylates Copolymer

    Antistatic (reduces static)Binder (holds the formula together)Film forming (leaves a thin coating)

    A large chain-like molecule that forms a film, leaving a thin even layer as the product dries. It also binds ingredients together and reduces static.

  • Butylene Glycol

    Fragrance ingredient (scent)Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

    A multitasking liquid that acts as a humectant, solvent, and thickness adjuster, and carries a scent role. It draws in and holds moisture, dissolves other ingredients, and helps set the product's texture.

  • Caprylyl Methicone

    Skin conditioning (CosIng functional class)

    A silicone-type skin-conditioning ingredient. It helps leave skin feeling smooth and conditioned.

  • Polyglyceryl-3 Distearate

    Surfactant (cleanses or mixes oil and water)

    This ingredient is an emulsifier, helping oil and water stay mixed. It keeps the formula from separating so it stays smooth and even.

  • Benzotriazolyl Dodecyl P-Cresol

    UV absorber (protects the formula from light, not a sunscreen filter)

    Benzotriazolyl Dodecyl P-Cresol is a UV absorber. It soaks up ultraviolet light, mainly to protect the formula from changing when exposed to light.

  • Niacinamide

    otherSmoothing (CosIng functional class)

    An ingredient that smooths the skin's surface. In practice, it helps the product leave skin feeling even.

  • Diethylhexyl 2,6-Naphthalate

    Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)UV absorber (protects the formula from light, not a sunscreen filter)

    An emollient and solvent that improves spreadability and helps stabilize light-sensitive ingredients in the formula.

  • Polymethylsilsesquioxane

    Opacifier (makes the formula less see-through)

    This is an opacifier, meaning it makes the product look less see-through. It gives the formula a more solid, opaque appearance.

    listed as “Polymethylsisesquioxane”

  • 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.

  • Calcium Aluminum Borosilicate

    Bulking agent (adds volume)

    A fine glass powder used as a bulking agent. It adds body and fills out the formula, contributing to its texture and feel.

  • 1,2-Hexanediol

    Humectant (holds moisture)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

    A fluid that acts as a solvent, dissolving other ingredients so they blend evenly. It also conditions the skin, leaving it feeling smooth.

  • Poly C10-30 Alkyl Acrylate

    Emulsion stabiliser (keeps oil and water mixed)Viscosity control (thickens or thins the formula)

    A polymer that stabilises emulsions and adjusts thickness. In practice, it keeps the oil and water parts from separating and gives the product its body.

  • Pentylene Glycol

    Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

    A skin-conditioning ingredient that also works as a solvent. It helps dissolve other ingredients and keeps skin feeling conditioned.

  • 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.

    listed as “Cetearyl Aloohol”

  • Tromethamine

    Buffering (holds the formula at a set acidity)Fragrance ingredient (scent)

    Tromethamine is a buffering agent that helps hold the product's acidity steady. It also adds fragrance.

  • Methylpropanediol

    Solvent (dissolves other ingredients)

    This is a solvent. It dissolves other ingredients so they blend into one liquid mixture.

    listed as “Methy propanediol”

  • Glyceryl Stearate Citrate

    Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)

    Glyceryl Stearate Citrate conditions the skin and softens its feel. It also helps oil and water stay mixed in the formula.

  • Betula Platyphylla Japonica Juice

    Skin conditioning (CosIng functional class)

    This is the sap from the white birch tree, used as a skin conditioner. That means it helps the product leave skin feeling softer and better maintained.

  • 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.

  • Carbomer

    Emulsion stabiliser (keeps oil and water mixed)Gel forming (sets the formula into a gel)otherViscosity control (thickens or thins the formula)

    A thickener that adjusts how thick the product is and forms a gel. It also keeps oil and water blends from separating, holding the texture together.

  • 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.

  • Artemisia Annua Extract

    Fragrance ingredient (scent)

    This is an extract of the sweet wormwood herb. It's used as a fragrance to give the product a scent.

  • Anthemis Nobilis Flower Oil

    Fragrance ingredient (scent)Skin conditioning (CosIng functional class)

    This is a scented oil that adds fragrance and also conditions the skin. It gives the product its aroma while helping skin feel conditioned. On labels it may also appear as Roman Chamomile 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.

  • Glyceryl Polymethacrylate

    Viscosity control (thickens or thins the formula)

    This ingredient adjusts how thick or thin the product is. It helps give the formula its texture and body.

  • Triethoxycaprylylsilane

    Binder (holds the formula together)other

    A binding ingredient that helps hold the parts of the formula together. It is often used to coat and bind powders in a mix.

  • Pinus Sylvestris Leaf Oil

    Fragrance ingredient (scent)

    An oil from Scotch pine needles, used as a fragrance. Its job is to give the product its scent.

  • Sparassis Crispa Extract

    Emulsion stabiliser (keeps oil and water mixed)Hair conditioning (CosIng functional class)Humectant (holds moisture)Skin conditioning (CosIng functional class)

    A mushroom extract that conditions skin and hair and draws in and holds moisture. It also keeps the oil and water parts from separating, so the mix stays stable.

  • Polyether-1

    Viscosity control (thickens or thins the formula)

    Polyether-1 adjusts the thickness of the product. It helps give the formula its body and texture.

  • Allantoin

    otherSkin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Soothing (CosIng functional class)

    Allantoin is a skin-conditioning and skin-protecting ingredient with a soothing role. It helps keep skin feeling smooth and comfortable and forms a protective feel on the surface.

  • Dipropylene Glycol

    Fragrance ingredient (scent)Humectant (holds moisture)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

    A solvent that dissolves other ingredients and adjusts how thick the product is. It also adds fragrance. This helps the formula blend and spread evenly.

    listed as “Di-propylene Glycol”

  • Glyceryl Glucoside

    Humectant (holds moisture)Skin conditioning (CosIng functional class)

    Glyceryl Glucoside is a humectant, meaning it draws in and holds moisture. It helps keep the product from drying out and conditions the skin.

  • Biosaccharide Gum-1

    Skin conditioning (CosIng functional class)

    A fermentation gum that conditions the skin. It softens and smooths the skin's feel as the product sits on top.

  • 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.

  • Portulaca Oleracea Extract

    Skin conditioning (CosIng functional class)

    An extract of the purslane plant, used as a skin conditioner. It helps keep skin feeling soft and smooth.

  • Sodium Hyaluronate

    Humectant (holds moisture)Skin conditioning (CosIng functional class)

    A moisture-grabbing ingredient that draws in and holds water. That keeps skin conditioned and helps it feel supple. It's the salt form of hyaluronic acid.

  • Sodium Hyaluronate

    Humectant (holds moisture)Skin conditioning (CosIng functional class)

    A moisture-grabbing ingredient that draws in and holds water. That keeps skin conditioned and helps it feel supple. It's the salt form of hyaluronic acid.

    listed as “Hyaluronic Acid”

  • Ascorbic Acid

    Antioxidant (slows the formula oxidising)Buffering (holds the formula at a set acidity)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)

    Ascorbic Acid is vitamin C, used here mainly as an antioxidant to protect the formula from going off. It also conditions the skin, adjusts the acidity balance, and can add scent.

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=4260e410-d2d5-71b4-e063-6294a90a05b8
Retrieved
5 August 2026
Market
United States
Formulation date
Not recorded
Version
v2 of this U.S. formulation
Verification confidence
High
Entries recorded
44
Record checksum
sha256:203dba4553b1f8736712f97e3492b1b09cb0affd92bea29b460b145ed41fb53d

Earlier readings of this document

We have read this product's source document twice, and kept each reading. The earlier reading is ours: a change in how we read the document, not a change the manufacturer made to the formula.

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