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Sun Bum Moisturizing Lip Balm SPF 30
Sun Bum

Sun Bum Moisturizing Lip Balm SPF 30

SPF 30Efficacy100/100IrritancyMedium·5 UV filters
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Works for

2 of 2 advertised claims delivered

Sun protection
SPF 30 · 5 UV filters
Broad spectrum
SPF 30Broad spectrumMineral + chemical filtersNo white cast

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

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
Homosalate
Octocrylene
Octisalate
Zinc Oxide
Avobenzone
FilterCoverageWhat it doesEst. amount
HomosalateUVB Photo-stable A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation10%
OctocryleneUVB Photo-stable A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen8%
OctisalateEthylhexyl SalicylateUVBOctisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen5%
Zinc Oxide Mineral UVBUVA Photo-stable A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant~0.4–0.9%
AvobenzoneButyl MethoxydibenzoylmethaneUVA1Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.3%
~ 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
Helianthus annuus seed wax, Helianthus annuus seed oil + 5 more
Good evidence
What the product description says
“Moisturizing Lip Balm SPF 30”
From product name

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: helianthus annuus seed oil, ricinus communis seed oil.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

Helianthus annuus seed waxKey active· EmollientEffect: HighHelps soften the upper layer of the skin and support skin's barrier function while creating a thicker product consistency~0.5–1.1%
Helianthus annuus seed oilKey active· Emollient, OcclusiveEffect: HighA great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function~0.5–1.2%
Argania spinosa kernel oilKey active· EmollientEffect: HighAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~1.7–2.6%
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~3.9–5.9%
Canola oilKey active· EmollientEffect: MediumA plant oil that can help soften the upper layer of the skin~5.7–8.5%
Capryloyl glycerin/sebacic acid copolymerKey activeEffect: MediumHelps soften the upper layer of the skin~23–34%
Aloe barbadensis leaf extract· Humectant, EmollientEffect: LowTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~2.3–3.4%
Anti-aging
Not advertised by the brand · No ingredient credited for this claim
Strong evidence

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

Can it cause trouble?

Irritancy
1 strong irritant: Parfum
Medium risk
We flagged 12 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.5–1.15%est.
Ci 15850A red colorantHigh~0.1–0.3%est.
Ci 45410A red colorantHigh~0.05–0.3%est.
HomosalateA weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulationMedium10%
OctocryleneA weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreenMedium8%
Butyl methoxydibenzoylmethaneAvobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.Medium3%
Canola oilA plant oil that can help soften the upper layer of the skinMedium~5.7–8.5%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~3.9–5.9%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~2.6–3.9%est.
Aloe barbadensis leaf extractTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~2.3–3.4%est.
Argania spinosa kernel oilAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant propertiesMedium~1.7–2.6%est.
Tocopheryl acetateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.Medium~0.15–0.65%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 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
Ci 45410A red colorant3/5~0.05–0.3%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Homosalate10%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation

More about Homosalate
Octocrylene8%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen

More about Octocrylene
Ethylhexyl salicylate5%
UV filter
Irritation risk
Low
Works for
Sun protection

Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen

More about Ethylhexyl salicylate
Butyl methoxydibenzoylmethane3%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.

More about Butyl methoxydibenzoylmethane
Capryloyl glycerin/sebacic acid copolymer~23–34%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Capryloyl glycerin/sebacic acid copolymer
Canola oil~5.7–8.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A plant oil that can help soften the upper layer of the skin

More about Canola oil
Silica~4.6–6.9%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Ricinus communis seed oil~3.9–5.9%
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
Polyhydroxystearic acid~2.6–3.9%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Aloe barbadensis leaf extract~2.3–3.4%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf extract
Argania spinosa kernel oil~1.7–2.6%
Key activeIrritant · 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
Bisabolol~1.2–1.9%
Formula
Irritation risk
Low
Works for
Reduces irritationAnti-inflammatoryAnti-oxidation

An active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties

More about Bisabolol
Boron nitride~1.2–1.8%
Formula
Irritation risk
Low

Helps to absord oil and evenly disperse other ingredients (for example, pigment) in product formulation

More about Boron nitride
Euphorbia cerifera wax~1–1.6%
Formula
Irritation risk
Low
More about Euphorbia cerifera wax
Parfum~0.5–1.15%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Helianthus annuus seed oil~0.5–1.2%
Key active
Irritation risk
Low
Works for
Moisturizing

A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function

More about Helianthus annuus seed oil
Helianthus annuus seed wax~0.5–1.1%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and support skin's barrier function while creating a thicker product consistency

More about Helianthus annuus seed wax
Saccharin~0.3–0.75%
Formula
Irritation risk
Low
More about Saccharin
Tocopheryl acetate~0.15–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.

More about Tocopheryl acetate
Zinc oxide~0.4–0.9%
UV filterUnder-dosed
Irritation risk
Low
Works for
Sun protection

A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant

More about Zinc oxide
Iron oxides~0.1–0.45%
Formula
Irritation risk
Low
Works for
Sun protection

An umbrella term for the following three colorants: CI 77491, CI 77492, CI 77499. They might be able to offer some protection against visible light, but the degree of the protection is not clear

More about Iron oxides
Ci 15850~0.1–0.3%
Irritant · high
Irritation risk
High

A red colorant

More about Ci 15850
Ci 45410~0.05–0.3%
Comedogenic 3/5Irritant · high
Irritation risk
High
Comedogenicity
3/5

A red colorant

More about Ci 45410
Ingredient list view

Homosalate, Octocrylene, Ethylhexyl salicylate, Butyl methoxydibenzoylmethane, Capryloyl glycerin/sebacic acid copolymer, Canola oil, Silica, Ricinus communis seed oil, Polyhydroxystearic acid, Aloe barbadensis leaf extract, Argania spinosa kernel oil, Bisabolol, Boron nitride, Euphorbia cerifera wax, Parfum, Helianthus annuus seed oil, Helianthus annuus seed wax, Saccharin, Tocopheryl acetate, Zinc oxide, Iron oxides, Ci 15850, Ci 45410

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Amazon USPrice as of 10/30/2026 06:11 GMT
$8.99
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Product summary

We assess that "Sun Bum - Moisturizing Lip Balm SPF 30" can provide reliable sun protection based on the ingredient list. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).

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. The UV filters in this sunscreen are: avobenzone 0.00% (declared), octisalate 0.00% (declared), homosalate 0.00% (declared) and octocrylene 0.00% (declared).

Irritation risk

This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this lip sunscreen to be medium. 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 18 studies and safety reviews.

  1. 1
    Opinion on Homosalate - Scientific Committee on Consumer Products ec.europa.eu
  2. 2
    Canola Oilsciencedirect.com
  3. 3
    Final report on the safety assessment of Ricinus Communis (Castor) Seed Oil, Hydrogenated Castor Oil, Glyceryl Ricinoleate, Glyceryl Ricinoleate SE, Ricinoleic Acid, Potassium Ricinoleate, Sodium Ricinoleate, Zinc Ricinoleate, Cetyl Ricinoleate, Ethyl Ricinoleate, Glycol Ricinoleate, Isopropyl Ricinoleate, Methyl Ricinoleate, and Octyldodecyl Ricinoleatencbi.nlm.nih.gov
  4. 4
    Castor Oil: Properties, Uses, and Optimization of Processing Parameters in Commercial Productionncbi.nlm.nih.gov
  5. 5
    Effect of ricinoleic acid in acute and subchronic experimental models of inflammationncbi.nlm.nih.gov
  6. 6
    Natural vegetable fats in the prevention of irritant contact dermatitisncbi.nlm.nih.gov
Sun Bum Moisturizing Lip Balm SPF 30
Sun BumMoisturizing Lip Balm SPF 30
Buy at UltaCheck price$8.99as of 10/30 06:11 GMT

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

Buy at UltaCheck price$8.99as of 10/30 06:11 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.