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Bigger than Beauty Skincare TEST- BTBS Sunproof™ Nourishing Lip Balm SPF 24
Bigger than Beauty Skincare

Bigger than Beauty Skincare TEST- BTBS Sunproof™ Nourishing Lip Balm SPF 24

SPF 24Efficacy75/100IrritancyHigh·1 UV filter
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Works for

1 of 2 advertised claims delivered

Sun protection
SPF 24 · 1 UV filter · Partial spectrum
Weak protectionSPF under 30
SPF 24Partial spectrumChemical filtersNo white cast

This product does not offer good protection against UVA rays.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Butyloctyl Salicylate
FilterCoverageWhat it doesEst. amount
Butyloctyl SalicylateUVBA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own~2.6–3.9%
~ marks concentrations estimated from label position and typical use levels
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Moisturizing
18 ingredients credited for this claim
Strong support
What the product description says
“TEST, BTBS Sunproof™ Nourishing Lip Balm SPF 24”
From product name

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: sodium hyaluronate.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: bis-diglyceryl polyacyladipate-2, butyrospermum parkii butter.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: panthenol

Synthetic beeswaxKey activeEffect: HighHelps soften the upper layer of the skin~26–39%
Theobroma cacao seed butterKey active· EmollientEffect: HighHelps soften the upper layer of the skin and can be helpful in restoring the skin barrier function. Might have some anti-oxidant effect~4.6–6.9%
Butyrospermum parkii butterKey active· Emollient, OcclusiveEffect: HighA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~3.7–5.6%
Bis-diglyceryl polyacyladipate-2Key active· Emollient, OcclusiveEffect: HighHelps soften the upper layer of the skin and reduce water loss from its surface~1.7–2.6%
Mangifera indica seed butterKey activeEffect: HighHelps to soften the upper layer of the skin and might have some anti-oxidant effect~0.15–0.55%
PanthenolHero· HumectantEffect: HighHelps attract water to the upper layer of the skin and can help improve skin barrier function~0.3–0.75%
Ricinus communis seed oilKey active· Emollient, OcclusiveEffect: HighA plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistency~0.1–0.5%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.2–0.75%
Prunus avium seed oilKey active· EmollientEffect: MediumCherry pit oil. Is rich in linoleic and oleic fatty acids and works as an emollient moisturizer~0.15–0.6%
Magnesium aspartateKey activeEffect: MediumMight be helpful in restoring skin barrier function and calm down inflammation in skin~0.2–0.7%
Stearyl behenateKey active· EmollientEffect: MediumHelps soften the upper layer of the skin~0.8–1.2%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~0.85–1.3%
Hydrogenated castor oilKey active· EmollientEffect: MediumA plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistency~0.1–0.45%
Passiflora incarnata seed oilEffect: LowA plant oil that can help soften the upper layer of the skin. Contains essential oil that can be irritating~0.1–0.5%
Stevia rebaudiana extractEffect: LowA plant extract that adds a sweat taste to products (for example, for lip products). Might help to attract water to the upper layer of the skin and have some anti-oxidant effect~0.05–0.25%
Zinc gluconateUnder-dosedEffect: HighTypically used to stabilize the product formulations. It is a salt of a polyhydroxy acid (PHA) and in larger concentrations, can help shed the dead cells from the skin surface revealing smoother skin. It can help attract water to the upper layer of the skin. Might to be helpful against acne and clogged pores. Could be helpful in neutralizing free radicals, but solid research is missing. Due to the zinc content, might help calm down inflammation in skin~0.15–0.6%
Copper gluconateUnder-dosedEffect: HighTypically used to stabilize the product formulations. It is a salt of polyhydroxy acid (PHA) and in larger concentrations, can help shed the dead cells from the skin surface revealing smoother skin. It can help attract water to the upper layer of the skin. Might to be helpful against acne and clogged pores. Could be helpful in neutralizing free radicals, but solid research is missing~0.1–0.45%
Argania spinosa kernel oilUnder-dosedEffect: HighAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~0.55–1.25%

Can it cause trouble?

Irritancy
4 strong irritants: Mentha piperita oil, Mentha viridis leaf oil + 2 more — patch-test recommended
High risk
We flagged 14 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Mentha piperita oilUsed as a fragrance and can be irritatingHigh~1–1.5%est.
Mentha viridis leaf oilUsed as a fragrance and can be irritatingHigh~0.4–0.9%est.
Passiflora incarnata seed oilA plant oil that can help soften the upper layer of the skin. Contains essential oil that can be irritatingHigh~0.1–0.5%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.15%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~4.6–7%est.
Butyloctyl salicylateA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its ownMedium~2.6–3.9%est.
Aluminum starch octenylsuccinateUsed to thicken the product's consistencyMedium~1.8–2.6%est.
Argania spinosa kernel oilAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant propertiesMedium~0.55–1.25%est.
Zinc gluconateTypically used to stabilize the product formulations. It is a salt of a polyhydroxy acid (PHA) and in larger concentrations, can help shed the dead cells from the skin surface revealing smoother skin. It can help attract water to the upper layer of the skin. Might to be helpful against acne and clogged pores. Could be helpful in neutralizing free radicals, but solid research is missing. Due to the zinc content, might help calm down inflammation in skinMedium~0.15–0.6%est.
Copper gluconateTypically used to stabilize the product formulations. It is a salt of polyhydroxy acid (PHA) and in larger concentrations, can help shed the dead cells from the skin surface revealing smoother skin. It can help attract water to the upper layer of the skin. Might to be helpful against acne and clogged pores. Could be helpful in neutralizing free radicals, but solid research is missingMedium~0.1–0.45%est.
Polysorbate 60Helps oil and water mix togetherMedium~0.1–0.4%est.
Ricinus communis seed oilA plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistencyMedium~0.1–0.5%est.
Stevia rebaudiana extractA plant extract that adds a sweat taste to products (for example, for lip products). Might help to attract water to the upper layer of the skin and have some anti-oxidant effectMedium~0.05–0.25%est.
Hydrogenated castor oilA plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistencyMedium~0.1–0.45%est.
Comedogenic
3 ingredients rated 2 or more on the 0–5 pore-clogging scale
3 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Theobroma cacao seed butterHelps soften the upper layer of the skin and can be helpful in restoring the skin barrier function. Might have some anti-oxidant effect3/5~4.6–6.9%est.
Butyrospermum parkii butterA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals3/5~3.7–5.6%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~0.85–1.3%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Synthetic beeswax~26–39%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Synthetic beeswax
Polyhydroxystearic acid~4.6–7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Theobroma cacao seed butter~4.6–6.9%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-dandruff

Helps soften the upper layer of the skin and can be helpful in restoring the skin barrier function. Might have some anti-oxidant effect

More about Theobroma cacao seed butter
Butyrospermum parkii butter~3.7–5.6%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-agingAnti-oxidation

A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals

More about Butyrospermum parkii butter
Butyloctyl salicylate~2.6–3.9%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own

More about Butyloctyl salicylate
C32-36 isoalkyl stearate~2.3–3.4%
Formula
Irritation risk
Low
More about C32-36 isoalkyl stearate
Aluminum starch octenylsuccinate~1.8–2.6%
Irritant · medium
Irritation risk
Medium

Used to thicken the product's consistency

More about Aluminum starch octenylsuccinate
Bis-diglyceryl polyacyladipate-2~1.7–2.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and reduce water loss from its surface

More about Bis-diglyceryl polyacyladipate-2
Behenyl behenate~1.3–2%
Formula
Irritation risk
Low
More about Behenyl behenate
Mentha piperita oil~1–1.5%
Irritant · high
Irritation risk
High

Used as a fragrance and can be irritating

More about Mentha piperita oil
Euphorbia cerifera wax~1–1.6%
Formula
Irritation risk
Low
More about Euphorbia cerifera wax
Candelilla cera~0.9–1.35%
Formula
Irritation risk
Low
More about Candelilla cera
Stearyl behenate~0.8–1.2%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Stearyl behenate
Cetearyl alcohol~0.85–1.3%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Punica granatum sterols~0.5–1.15%
Formula
Irritation risk
Low
More about Punica granatum sterols
Argania spinosa kernel oil~0.55–1.25%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

An emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties

More about Argania spinosa kernel oil
Polyglyceryl-3 stearate~0.45–1%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 stearate
Mentha viridis leaf oil~0.4–0.9%
Irritant · high
Irritation risk
High

Used as a fragrance and can be irritating

More about Mentha viridis leaf oil
Pimpinella anisum seed oil~0.35–0.8%
Formula
Irritation risk
Low
More about Pimpinella anisum seed oil
Panthenol~0.3–0.75%
Hero · Moisturizing
Irritation risk
Low
Works for
Reduces rednessMoisturizingReduces irritation

Helps attract water to the upper layer of the skin and can help improve skin barrier function

More about Panthenol
Sodium hyaluronate~0.2–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Magnesium aspartate~0.2–0.7%
Key active
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizing

Might be helpful in restoring skin barrier function and calm down inflammation in skin

More about Magnesium aspartate
Zinc gluconate~0.15–0.6%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingEvens skin toneAnti-oxidationAnti-agingAnti-blemishAnti-inflammatoryExfoliation

Typically used to stabilize the product formulations. It is a salt of a polyhydroxy acid (PHA) and in larger concentrations, can help shed the dead cells from the skin surface revealing smoother skin. It can help attract water to the upper layer of the skin. Might to be helpful against acne and clogged pores. Could be helpful in neutralizing free radicals, but solid research is missing. Due to the zinc content, might help calm down inflammation in skin

More about Zinc gluconate
Mangifera indica seed butter~0.15–0.55%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

Helps to soften the upper layer of the skin and might have some anti-oxidant effect

More about Mangifera indica seed butter
Passiflora incarnata seed oil~0.1–0.5%
Irritant · high
Irritation risk
High
Works for
Moisturizing

A plant oil that can help soften the upper layer of the skin. Contains essential oil that can be irritating

More about Passiflora incarnata seed oil
Copper gluconate~0.1–0.45%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-agingEvens skin toneAnti-blemishExfoliationAnti-oxidation

Typically used to stabilize the product formulations. It is a salt of polyhydroxy acid (PHA) and in larger concentrations, can help shed the dead cells from the skin surface revealing smoother skin. It can help attract water to the upper layer of the skin. Might to be helpful against acne and clogged pores. Could be helpful in neutralizing free radicals, but solid research is missing

More about Copper gluconate
Prunus avium seed oil~0.15–0.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Cherry pit oil. Is rich in linoleic and oleic fatty acids and works as an emollient moisturizer

More about Prunus avium seed oil
Polysorbate 60~0.1–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 60
Ricinus communis seed oil~0.1–0.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatory

A plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistency

More about Ricinus communis seed oil
Stevia rebaudiana extract~0.05–0.25%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A plant extract that adds a sweat taste to products (for example, for lip products). Might help to attract water to the upper layer of the skin and have some anti-oxidant effect

More about Stevia rebaudiana extract
Hydrogenated castor oil~0.1–0.45%
Key activeIrritant · medium
Irritation risk
Medium
Works for
CleansingMoisturizingAnti-inflammatory

A plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistency

More about Hydrogenated castor oil
Limonene~0.05–0.15%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Ingredient list view

Synthetic beeswax, Polyhydroxystearic acid, Theobroma cacao seed butter, Butyrospermum parkii butter, Butyloctyl salicylate, C32-36 isoalkyl stearate, Aluminum starch octenylsuccinate, Bis-diglyceryl polyacyladipate-2, Behenyl behenate, Mentha piperita oil, Euphorbia cerifera wax, Candelilla cera, Stearyl behenate, Cetearyl alcohol, Punica granatum sterols, Argania spinosa kernel oil, Polyglyceryl-3 stearate, Mentha viridis leaf oil, Pimpinella anisum seed oil, Panthenol, Sodium hyaluronate, Magnesium aspartate, Zinc gluconate, Mangifera indica seed butter, Passiflora incarnata seed oil, Copper gluconate, Prunus avium seed oil, Polysorbate 60, Ricinus communis seed oil, Stevia rebaudiana extract, Hydrogenated castor oil, Limonene

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Product summary

We do not recommend "Bigger than Beauty Skincare - TEST- BTBS Sunproof™ Nourishing Lip Balm SPF 24" because it does not provide good UVA protection. UVA sun rays don't burn the skin, but they still lead to photoaging and hyperpigmentation.

Sunscreen filters

This sunscreen uses so-called "chemical", or organic UV filters (organic simply means that their molecules contain atoms of carbon). These filters typically give good sun protection and rarely leave a white cast, but they can be irritating for sensitive skin. These are the sun protection ingredients in this sunscreen: butyloctyl salicylate 2.60% - 3.90%.

Irritation risk

We assess the overall irritancy of this lip sunscreen to be high. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 24 studies and safety reviews.

  1. 1
    Cocoa polyphenols and their influence on parameters involved in ex vivo skin restructuringncbi.nlm.nih.gov
  2. 2
    Safety assessment of Salicylic Acid, Butyloctyl Salicylate, Calcium Salicylate, C12-15 Alkyl Salicylate, Capryloyl Salicylic Acid, Hexyldodecyl Salicylate, Isocetyl Salicylate, Isodecyl Salicylate, Magnesium Salicylate, MEA-Salicylate, Ethylhexyl Salicylate, Potassium Salicylate, Methyl Salicylate, Myristyl Salicylate, Sodium Salicylate, TEA-Salicylate, and Tridecyl Salicylatencbi.nlm.nih.gov
  3. 3
    Safety assessment of bis-diglyceryl polyacyladipate-2 and bis-diglyceryl polyacyladipate-1 as used in cosmeticsncbi.nlm.nih.gov
  4. 4
    Natural vegetable fats in the prevention of irritant contact dermatitisncbi.nlm.nih.gov
  5. 5
    Skin moisturizing effects of panthenol-based formulationspdfs.semanticscholar.org
  6. 6
    Safety Assessment of Panthenol, Pantothenic Acid, and Derivatives as Used in Cosmeticscir-safety.org
Bigger than Beauty Skincare TEST- BTBS Sunproof™ Nourishing Lip Balm SPF 24
Bigger than Beauty SkincareTEST- BTBS Sunproof™ Nourishing Lip Balm SPF 24
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