MUJI

MUJI Lip Cream SPF 20 - 2 Types

Name: MUJI - Lip Cream SPF 20 - 2 Types
Brand: MUJI

SPF 20Efficacy75/100IrritancyLow·2 UV filters

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Works for

1 of 2 advertised claims delivered

Sun protection

SPF 20 · 2 UV filters · Partial spectrum

Weak protectionSPF under 30

SPF 20Partial spectrumChemical filtersNo white cast

This product does not offer good protection against UVA rays.

UV spectrum

UVB290–320 nmUVA II320–340 nmUVA I340–400 nm

Octinoxate

Zinc Oxide

FilterCoverageWhat it doesEst. amount

OctinoxateEthylhexyl MethoxycinnamateUVBOctinoxate. 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~0.6–1.4%

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~0.35–0.85%

~ marks concentrations estimated from label position and typical use levels

Moisturizing

Lanolin, Petrolatum + 3 more

Strong evidence

What the product description says

“Lip Cream SPF 20 .”

From product name

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: simmondsia chinensis seed oil, paraffin.

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).

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

LanolinHero· Emollient, OcclusiveEffect: HighSebum of wool-bearing animals (most commonly sheep). Helps soften the upper layer of the skin and reduce the skin water loss. In rare cases could be an allergen. Not suitable for vegans~3.7–5.5%

PetrolatumHero· Emollient, OcclusiveEffect: HighOne of the most effective and the most studied occlusive ingredients that creates a protective layer on top of the skin preventing moisture loss~2.9–4.4%

Simmondsia chinensis seed oilKey active· Emollient, OcclusiveEffect: HighSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.~1.5–2.2%

CeresinEffect: Low~7.4–11.1%

Paraffin· OcclusiveEffect: LowPrevents water loss from the skin surface and thickens the product consistency~22–33%

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

Ethylhexyl methoxycinnamateOctinoxate. 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 irritatingHigh~0.6–1.4%est.

Simmondsia chinensis seed oilSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.Medium~1.5–2.2%est.

Comedogenic

Clean of flagged comedogenic ingredients

None flagged

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Ingredients

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Paraffin~22–33%

Formula

Irritation risk: Low

Works for

Moisturizing

Prevents water loss from the skin surface and thickens the product consistency

More about Paraffin

Ceresin~7.4–11.1%

Formula

Irritation risk: Low

Works for

Moisturizing

More about Ceresin

Microcrystalline wax~4.8–7.1%

Formula

Irritation risk: Low

Used to create a thicker product consistency

More about Microcrystalline wax

Purified

Not recognized

Lanolin~3.7–5.5%

Hero · Moisturizing

Irritation risk: Low

Works for

MoisturizingCleansing

Sebum of wool-bearing animals (most commonly sheep). Helps soften the upper layer of the skin and reduce the skin water loss. In rare cases could be an allergen. Not suitable for vegans

More about Lanolin

White

Not recognized

Petrolatum~2.9–4.4%

Hero · Moisturizing

Irritation risk: Low

Works for

Moisturizing

One of the most effective and the most studied occlusive ingredients that creates a protective layer on top of the skin preventing moisture loss

More about Petrolatum

Hydrogenated polybutene~1.7–2.5%

Formula

Irritation risk: Low

More about Hydrogenated polybutene

Glyceryl ethylhexanoate~1.7–2.5%

Formula

Irritation risk: Low

More about Glyceryl ethylhexanoate

Simmondsia chinensis seed oil~1.5–2.2%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

Softens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.

More about Simmondsia chinensis seed oil

Ethylhexyl methoxycinnamate~0.6–1.4%

UV filterKey activeIrritant · high

Irritation risk: High

Works for

Sun protection

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

More about Ethylhexyl methoxycinnamate

Zinc oxide~0.35–0.85%

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

Ingredient list view

Paraffin, Ceresin, Microcrystalline wax, Unknown, Lanolin, Unknown, Petrolatum, Hydrogenated polybutene, Glyceryl ethylhexanoate, Simmondsia chinensis seed oil, Ethylhexyl methoxycinnamate, Zinc oxide

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Product summary

We do not recommend "MUJI - Lip Cream SPF 20 - 2 Types" 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 is a "mixed" sunscreen in the sense that it uses both mineral and organic (so-called "chemical") sun filters. Here are the organic filters this product uses: octinoxate. As for the mineral filters, this sunscreen uses zinc oxide.

Irritation risk

There are actives in this product that can be irritating. We assess the overall irritancy of this lip product to be low. 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.

Price

The product retails for 7.40$ in the United States.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 6 studies and safety reviews.

1
The lanolin paradox revisited Matiz, Catalina et al. Journal of the American Academy of Dermatology, Volume 64, Issue 1, 197jaad.org
2
A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
3
Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
4
Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
5
Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorodsiopscience.iop.org
6
ZnO nanoparticles and organic chemical UV-filters are equally well tolerated by human immune cellsncbi.nlm.nih.gov

MUJILip Cream SPF 20 - 2 Types

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