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Summer Fridays Lip Butter Balm Brown Sugar
Summer Fridays

Summer Fridays Lip Butter Balm Brown Sugar

Efficacy75/100IrritancyLow
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Works for

1 of 1 advertised claim delivered

Moisturizing
Butyrospermum parkii butter, Cera microcristallina + 9 more
Good evidence
What the product description says
“Suitable for all skin types, it features a silky texture that glides on easily.Formulated with shea and murumuru seed butters alongside vegan waxes, this lip balm works to hydrate and soothe the lips while providing just a touch of colour.”
Source: SpaceNK

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: butyrospermum parkii butter, cera microcristallina.

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~2.2–3.4%
Cera microcristallinaKey active· Emollient, OcclusiveEffect: HighHelps to soften the upper layer of the skin, reduce water loss from its surface and create a thicker product consistency~1.5–2.2%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.05–0.15%
Astrocaryum murumuru seed butterKey active· EmollientEffect: HighHelps soften the upper layer of the skin. Could be comedogenic due to the myrisic acid content~0.15–0.7%
Diisostearyl malateKey active· EmollientEffect: MediumHelps to soften the upper layer of the skin~5.8–8.8%
Hydrogenated poly(c6-14 olefin)Key active· EmollientEffect: MediumHelps soften the upper layer of the skin and create a nice product texture~2.9–4.3%
Hydrogenated polyisobutene· Emollient, OcclusiveEffect: LowUsed to improve the product consistency and soften the upper layer of the skin~4.9–7.3%
Octyldodecanol· EmollientEffect: LowAn emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation~1–1.5%
Phytosteryl/isostearyl/cetyl/stearyl/behenyl dimer dilinoleate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~22–34%
Propylene carbonateEffect: LowIs used to dissolve other ingredients and create nice product texture~0.1–0.35%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.05–0.2%

Can it cause trouble?

Irritancy
2 flagged ingredients
Low risk
We flag 2 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Diisostearyl malateHelps to soften the upper layer of the skinMedium~5.8–8.8%est.
Astrocaryum murumuru seed butterHelps soften the upper layer of the skin. Could be comedogenic due to the myrisic acid contentMedium~0.15–0.7%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
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 radicals3/5~2.2–3.4%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Phytosteryl/isostearyl/cetyl/stearyl/behenyl dimer dilinoleate~22–34%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product consistency

More about Phytosteryl/isostearyl/cetyl/stearyl/behenyl dimer dilinoleate
Diisostearyl malate~5.8–8.8%
Key activeIrritant · medium
Irritation risk
Medium
Works for
CleansingMoisturizing

Helps to soften the upper layer of the skin

More about Diisostearyl malate
Hydrogenated polyisobutene~4.9–7.3%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to improve the product consistency and soften the upper layer of the skin

More about Hydrogenated polyisobutene
Polybutene~3.7–5.5%
Formula
Irritation risk
Low

Used to create a thicker product consistency

More about Polybutene
Hydrogenated poly(c6-14 olefin)~2.9–4.3%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product texture

More about Hydrogenated poly(c6-14 olefin)
Butyrospermum parkii butter~2.2–3.4%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-aging

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
Microcrystalline wax~1.5–2.2%
Formula
Irritation risk
Low

Used to create a thicker product consistency

More about Microcrystalline wax
Cera microcristallina~1.5–2.2%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin, reduce water loss from its surface and create a thicker product consistency

More about Cera microcristallina
Octyldodecanol~1–1.5%
Formula
Irritation risk
Low
Works for
Moisturizing

An emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation

More about Octyldodecanol
Synthetic wax~0.85–1.25%
Formula
Irritation risk
Low

Used to stabilize product formulations and thicken product consistency

More about Synthetic wax
Disteardimonium hectorite~0.45–1.05%
Formula
Irritation risk
Low

A type of clay that is used to thicken the product consistency

More about Disteardimonium hectorite
Polyglyceryl-2 diisostearate~0.4–0.95%
Formula
Irritation risk
Low
Works for
Cleansing
More about Polyglyceryl-2 diisostearate
Mica~0.4–0.95%
Formula
Irritation risk
Low

Creates an illusion of smoother and more radiant skin tone. Adds shimmer to the skin by reflecting light

More about Mica
Vanillin~0.15–0.55%
Formula
Irritation risk
Low
More about Vanillin
Astrocaryum murumuru seed butter~0.15–0.7%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps soften the upper layer of the skin. Could be comedogenic due to the myrisic acid content

More about Astrocaryum murumuru seed butter
Propylene carbonate~0.1–0.35%
Formula
Irritation risk
Low
Works for
Moisturizing

Is used to dissolve other ingredients and create nice product texture

More about Propylene carbonate
Tocopherol~0.05–0.2%
Formula
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-inflammatoryAnti-aging

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Sodium hyaluronate~0.05–0.15%
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
Ingredient list view

Phytosteryl/isostearyl/cetyl/stearyl/behenyl dimer dilinoleate, Diisostearyl malate, Hydrogenated polyisobutene, Polybutene, Hydrogenated poly(c6-14 olefin), Butyrospermum parkii butter, Microcrystalline wax, Cera microcristallina, Octyldodecanol, Synthetic wax, Disteardimonium hectorite, Polyglyceryl-2 diisostearate, Mica, Vanillin, Astrocaryum murumuru seed butter, Propylene carbonate, Tocopherol, Sodium hyaluronate

Compare prices

Retailers ranked by price — lowest first.

SpaceNK US
$23.00
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Amazon USPrice as of 10/23/2026 21:15 GMT
$24.00
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Affiliate links · prices updated regularly · As an Amazon Associate, WIMJ earns from qualifying purchases.

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 7 studies and safety reviews.

  1. 1
    Final report of the cosmetic ingredient review expert panel on the safety assessment of Polyisobutene and Hydrogenated Polyisobutene as used in cosmeticssemanticscholar.org
  2. 2
    Final report of the cosmetic ingredient review expert panel on the safety assessment of Polyisobutene and Hydrogenated Polyisobutene as used in cosmeticsncbi.nlm.nih.gov
  3. 3
    AMAZON RAINFOREST COSMETICS: CHEMICAL APPROACH FOR QUALITY CONTROLscielo.br
  4. 4
    Vitamin E in dermatologyncbi.nlm.nih.gov
  5. 5
    Vitamin E and Skin Healthlpi.oregonstate.edu
  6. 6
    Hyaluronic acid: A key molecule in skin agingncbi.nlm.nih.gov
Summer Fridays Lip Butter Balm Brown Sugar
Summer FridaysLip Butter Balm Brown Sugar
Buy at SpaceNK US$23.00$24.00as of 10/23 21:15 GMT

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

Buy at SpaceNK US$23.00$24.00as of 10/23 21:15 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.