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MIMURA Smooth Skin Cover SPF 20
MIMURA

MIMURA Smooth Skin Cover SPF 20

SPF 20Efficacy50/100IrritancyLow·2 UV filters
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Works for

0 of 1 advertised claim delivered

Sun protection
SPF 20 · 2 UV filters · Broad spectrum
Weak protectionSPF under 30
SPF 20Broad spectrumMineral + chemical filtersNo white cast

This product offers broad spectrum sun protection, but it is weak. We recommend to use a broad spectrum sunscreen with at least SPF 30.

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~3.4–5.1%
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~2.9–4.3%
~ marks concentrations estimated from label position and typical use levels
Moisturizing
Not advertised by the brand · 9 ingredients credited for this claim
Strong support

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: glycerin, butylene glycol.

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: dimethicone, peg-10 dimethicone.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: palmitoyl pentapeptide-4

DimethiconeKey active· Emollient, OcclusiveEffect: HighA 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~22–33%
Peg-10 dimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that works to soften the upper layer of the skin and reduce its water loss~1.3–2%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.35–0.8%
Palmitoyl pentapeptide-4HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.9–1.35%
CyclopentasiloxaneKey active· EmollientEffect: MediumA silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin~6–9%
Isononyl isononanoate· Emollient, OcclusiveEffect: LowForms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness~3.9–5.9%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.35–0.8%
Ascorbyl tetraisopalmitateEffect: Low, below effective doseA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.5–1.15%
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~0.1–0.4%
Anti-aging
Not advertised by the brand · 3 ingredients credited for this claim
Moderate support

This product contains palmitoyl pentapeptide-4. This ingredient might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works. The biggest anti-aging effect in this product comes from sun protection. Sun damage is the main factor causing early signs of skin aging. We, however, do not recommend using this product as a sunscreen because the protection it offers is not strong enough).

Palmitoyl pentapeptide-4Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.9–1.35%
Ascorbyl tetraisopalmitateUnder-dosedEffect: MediumA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.5–1.15%
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~0.1–0.4%

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~3.4–5.1%est.
Ascorbyl tetraisopalmitateA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)Medium~0.5–1.15%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
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Ingredients

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Dimethicone~22–33%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

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

More about Dimethicone
Cyclopentasiloxane~6–9%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin

More about Cyclopentasiloxane
Polysilicone-1 crosspolymer~4.6–6.9%
Formula
Irritation risk
Low
More about Polysilicone-1 crosspolymer
Isononyl isononanoate~3.9–5.9%
Formula
Irritation risk
Low
Works for
Moisturizing

Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness

More about Isononyl isononanoate
Ethylhexyl methoxycinnamate~3.4–5.1%
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~2.9–4.3%
UV filterKey active
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
Dimethicone/vinyl dimethicone crosspolymer~1.6–2.4%
Formula
Irritation risk
Low

Used to stabilize product formulations and create a nice product texture

More about Dimethicone/vinyl dimethicone crosspolymer
Silica~1.5–2.3%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Peg-10 dimethicone~1.3–2%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that works to soften the upper layer of the skin and reduce its water loss

More about Peg-10 dimethicone
Palmitoyl pentapeptide-4~0.9–1.35%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl pentapeptide-4
Di
Not recognized
Acetic acid~0.55–1.25%
Formula
Irritation risk
Low
More about Acetic acid
Dipeptide-10~0.5–1.15%
Formula
Irritation risk
Low
More about Dipeptide-10
Ascorbyl tetraisopalmitate~0.5–1.15%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-agingEvens skin toneMoisturizing

A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)

More about Ascorbyl tetraisopalmitate
Butylene glycol~0.35–0.8%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Glycerin~0.35–0.8%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Water~0.15–0.7%
Formula
Irritation risk
Low

Plain old water

More about Water
Carbomer~0.15–0.55%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Polysorbate 20~0.1–0.5%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Tocopherol~0.1–0.4%
Formula
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-agingAnti-inflammatory

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
Triethoxycaprylylsilane~0.1–0.35%
Formula
Irritation risk
Low

A type of silicone that helps oil and water mix well together. Helps to disperse other ingredients, e.g. pigments, evenly in a formulation

More about Triethoxycaprylylsilane
Stain oil flower oil
Not recognized
Ingredient list view

Dimethicone, Cyclopentasiloxane, Polysilicone-1 crosspolymer, Isononyl isononanoate, Ethylhexyl methoxycinnamate, Zinc oxide, Dimethicone/vinyl dimethicone crosspolymer, Silica, Peg-10 dimethicone, Palmitoyl pentapeptide-4, Unknown, Acetic acid, Dipeptide-10, Ascorbyl tetraisopalmitate, Butylene glycol, Glycerin, Water, Carbomer, Polysorbate 20, Tocopherol, Triethoxycaprylylsilane, Unknown

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Product summary

"MIMURA - Smooth Skin Cover SPF 20" "is a broad spectrum sunscreen meaning that it protects both from UVB rays (" burning "- they cause sunburn) and UVA rays (" aging "- they don't cause sunburn but lead to premature aging and pigmentation issues). However, this sunscreen does not offer enough sun protection. We recommend to use a sunscreen with at least SPF 30 daily.

Its formula is also hydrating, so you might not need an additional moistruizer during the day.

Sunscreen filters

This sunscreen uses a mixture of both mineral and organic (so-called" chemical ") UV filters. The organic filters in the product are: octinoxate. As for the mineral filters, this sunscreen uses zinc oxide.

Irritation risk

This product contains actives that can be irritating. We assess the overall irritancy of this 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 67.35$ 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 14 studies and safety reviews.

  1. 1
    Dimethicone as a protective ingredient in topical medicationsjaad.org
  2. 2
    Final Report on the Safety Assessment of Dimethicone Copolyoljournals.sagepub.com
  3. 3
    A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
  4. 4
    Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
  5. 5
    Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
  6. 6
    Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorodsiopscience.iop.org
MIMURA Smooth Skin Cover SPF 20
MIMURASmooth Skin Cover SPF 20
Buy at Yesstyle$67.35Amazon

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Buy at Yesstyle$67.35Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.