Works for:
based on ingredients and %- Sun protection
- Anti-aging
- Anti-oxidation
- Moisturizing
Can it cause trouble?
- Irritation risk: high
- Comedogenic risk ingredients: 3
Key actives
Product Summary
We believe that "Sun Bum - SPF 30 Key Lime Lip Balm, Keylime, One-Size" can provide reliable sun protection based on the ingredients listed. It can protect from both UVA and UVB rays. This is great news because 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 2.00% (declared), octinoxate 7.50% (declared), octisalate 5.00% (declared) and homosalate 15.00% (declared).
Irritation risk
It contains a bunch of common irritants, including ingredients that do not provide any known benefit for the skin. It might not be the best choice if your skin is sensitive. 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.
Anti-aging
This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains ascorbic acid.
Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.
This product can also 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.
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect
Anti-oxidation
This product contains antioxidants (ascorbic acid) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).
The following ingredients - camellia sinensis leaf extract, ginkgo biloba leaf extract, punica granatum extract also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.
The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging
A plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
A plant extract that might help neutralize free radicals and reduce inflammation in skin. It can be irritating
Helps soften the upper layer of the skin and can be helpful in restoring the skin barrier function. Might have some anti-oxidant effect
A plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritating
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.
Might be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect
A plant extract that can help neutralize free radicals in skin. It contains a compound salicin that can theoretically be converted into salicylic acid that, in turn, helps reduce inflammation in skin, but the evidence of effectiveness in skin is lacking and the extract is usually not used in a concentration that would enable an exfoliating effect
A plant extract that might have some anti-inflammatory properties, but solid evidence is lacking. It can be irritating
Sun protection
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.
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.
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
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
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
Moisturizing
What does the product description say?
Keep your lips moisturized with Sun Bum SPF 30 Key Lime Lip Balm.
Source: Walmart
This product can help soften the skin and reduce its moisture loss with emollients and occlusives: caprylic/capric triglyceride, dimethicone.
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).
Helps soften the upper layer of the skin and can be helpful in restoring the skin barrier function. Might have some anti-oxidant effect
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin
A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together
An emollient that helps soften the skin and create a nice product texture
Used to create a nice product consistency
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
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
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function
Might be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect
A silicone that serves as an emollient. Helps create a nice non-greasy feels
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Sun protection |
Total Promises Fulfilled score: 100/100.
Potential irritants
Comedogenic ingredients
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 Sun Bum SPF 30 Key Lime Lip Balm, Keylime, One-Size | Current | - | |
 B.Tan spf is your bff...SPF30 lotion | 63% | - | |
 Ocean Potion Dab-on Spot Stick Sunscreen SPF 50 | 62% | $-1.00 | |
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Key Actives
Potential irritants
Comedogenic ingredients
All ingredients
Ingredient list view
Butyl methoxydibenzoylmethane, Homosalate, Ethylhexyl methoxycinnamate, Ethylhexyl salicylate, Adipic acid/diglycol crosspolymer, Aloe barbadensis leaf extract, Ascorbic acid, Bht, Calendula officinalis flower extract, Camellia sinensis leaf extract, Caprylic/capric triglyceride, Cetyl alcohol, Citrus grandis fruit extract, Citrus limon peel extract, Cucumis sativus fruit extract, Cyclohexasiloxane, Cyclopentasiloxane, Diisobutyl adipate, Dimethicone, Equisetum arvense extract, Ethylhexyl palmitate, Parfum, Ginkgo biloba leaf extract, Hydrated silica, Isostearyl linoleate, Macrocystis pyrifera extract, Paraffinum liquidum, Ozokerite, Panax ginseng root extract, Peg-8, Polysorbate 80, Propylene glycol, Propylparaben, Punica granatum extract, Retinyl palmitate, Rosmarinus officinalis extract, Salix alba bark extract, Salvia officinalis extract, Sodium saccharin, Theobroma cacao seed butter, Tocopheryl acetate, Water
- Opinion on Homosalate - Scientific Committee on Consumer Products
- Topical application of Calendula officinalis (L.): Formulation and evaluation of hydrophilic cream with antioxidant activity
- The seamy side of natural medicines: contact sensitization to arnica (Arnica montana L.) and marigold (Calendula officinalis L.)
- Final report on the safety assessment of Calendula officinalis extract and Calendula officinalis
- Contact dermatitis as an adverse reaction to some topically used European herbal medicinal products – part 1: Achillea millefolium–Curcuma longa
- Amended final report of the safety assessment of dibutyl adipate as used in cosmetics
- Dimethicone as a protective ingredient in topical medications
- Final Report on the Safety Assessment of Dimethicone Copolyol
- Safety Assessment of Ginkgo biloba-Derived Ingredients as Used in Cosmetics
- Cosmeceutical Critique: Ginkgo Biloba
- A review on the extensive skin benefits of mineral oil
- Ginseng in Dermatology: A Review
- Antiaging effects of the mixture of Panax ginseng and Crataegus pinnatifida in human dermal fibroblasts and healthy human skin
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- Extract of Punica granatum inhibits skin photoaging induced by UVB irradiation
- Topical microemulsion containing Punica granatum extract: its control over skin erythema and melanin in healthy Asian subjects
- Safety Assessment of Punica granatum -Derived Ingredients as Used in Cosmetics
- Efficacy and Safety of White Willow Bark (Salix alba) Extract
- An evaluation of the effect of a topical product containing salicin on the visible signs of human skin aging
- Cocoa polyphenols and their influence on parameters involved in ex vivo skin restructuring