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CosMedix Micro Defense Microbiome Sheet Mask
CosMedix

CosMedix Micro Defense Microbiome Sheet Mask

Efficacy37/100IrritancyHigh
See all ingredients

Works for

Moisturizing
Coco-caprylate/caprate, Caprylic/capric triglyceride + 10 more
Works
What the product description says
“The serum infusion works to replenish moisture while encouraging a healthier microbiome environment, allowing skin to recalibrate rather than simply masking dryness.”
Source: Cosmedix

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, 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: caprylic/capric triglyceride, cocos nucifera oil.

Coco-caprylate/caprateKey active· EmollientEffect: MediumHelps to soften the upper layer of the skin without creating a greasy texture~2.7–4%
Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~1.4–2.1%
Cocos nucifera oilKey active· Emollient, OcclusiveEffect: HighAn emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic~1.2–1.8%
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~0.95–1.4%
Camelina sativa seed oilKey activeEffect: HighHelps soften the upper layer of the skin~0.5–1.1%
Alpha-glucan oligosaccharideKey activeEffect: HighHelps attract water to the upper layer of the skin~0.4–0.95%
Prunus amygdalus dulcis seedKey activeEffect: HighHelps soften the upper layer of the skin~0.4–0.95%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.1–0.35%
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~0.1–0.35%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~3.6–5.4%
Polyglyceryl-10 stearateEffect: LowHelps water and oil mix together and softens the upper layer of the skin~2–2.9%
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~0.15–0.65%
Anti-aging
Tocopherol
Not delivered
What the product description says
“Featuring skin-plumping sodium hyaluronate and nourishing almond and coconut oils, this luxe sheet mask reduces the appearance of fine lines and wrinkles and helps restore beneficial flora in the skin, which aids in protection from environmental stressors.”
Source: Cosmedix

Effective ingredients missing or their concentration is too low.

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~0.15–0.65%

Can it cause trouble?

Irritancy
4 strong irritants: Parfum, Limonene + 2 more — patch-test recommended
High risk
We flagged 8 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~0.55–1.3%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.1%est.
CitronellolA fragrance. Can be irritatingHigh~0.01–0.05%est.
LinaloolA fragrance. Can be irritatingHigh~0.01–0.05%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~3.6–5.4%est.
Polyglyceryl-10 stearateHelps water and oil mix together and softens the upper layer of the skinMedium~2–2.9%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~1.4–2.1%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.1–0.5%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
Cocos nucifera oilAn emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic3/5~1.2–1.8%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Propanediol~4.3–6.5%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Pentylene glycol~3.6–5.4%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol
Coco-caprylate/caprate~2.7–4%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin without creating a greasy texture

More about Coco-caprylate/caprate
Polyglyceryl-10 stearate~2–2.9%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps water and oil mix together and softens the upper layer of the skin

More about Polyglyceryl-10 stearate
Bentonite~1.6–2.4%
Formula
Irritation risk
Low
Works for
Anti-blemish

Helps stabilize the product formulation

More about Bentonite
Caprylic/capric triglyceride~1.4–2.1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

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

More about Caprylic/capric triglyceride
Cocos nucifera oil~1.2–1.8%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

An emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic

More about Cocos nucifera oil
Glycerin~0.95–1.4%
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
Parfum~0.55–1.3%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Camelina sativa seed oil~0.5–1.1%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Camelina sativa seed oil
Prunus amygdalus dulcis seed~0.4–0.95%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Prunus amygdalus dulcis seed
Alpha-glucan oligosaccharide~0.4–0.95%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin

More about Alpha-glucan oligosaccharide
Xanthan gum~0.2–0.75%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Tocopherol~0.15–0.65%
Formula
Irritation risk
Low
Works for
Anti-oxidationAnti-inflammatoryAnti-agingMoisturizing

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
Citric acid~0.1–0.5%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
Sodium hyaluronate~0.1–0.35%
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
Helianthus annuus seed oil~0.1–0.35%
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
Sodium hydroxide~0.05–0.2%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Limonene~0.05–0.1%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Citronellol~0.01–0.05%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Linalool~0.01–0.05%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Ingredient list view

Water, Propanediol, Pentylene glycol, Coco-caprylate/caprate, Polyglyceryl-10 stearate, Bentonite, Caprylic/capric triglyceride, Cocos nucifera oil, Glycerin, Parfum, Camelina sativa seed oil, Prunus amygdalus dulcis seed, Alpha-glucan oligosaccharide, Xanthan gum, Tocopherol, Citric acid, Sodium hyaluronate, Helianthus annuus seed oil, Sodium hydroxide, Limonene, Citronellol, Linalool

Compare prices

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Amazon USPrice as of 11/14 12:00 GMT
$61.00
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Cosmedix
$61.00
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
CosMedixMicro Defense Microbiome Sheet MaskYOUR PRODUCTBiocytePrebiotic Mask RebalancingRITUALSThe Ritual of Namaste Hydrating Sheet MaskKORRESGreek Yoghurt Deep Moisture Facial Tissue Mask 1 Tissue Mask
Match—44%44%42%
Price$61.00—$13.09−$47.91—
Shared key ingredients—7 of 85 of 85 of 8
Key difference——Saccharide Isomerate—
Irritancy High High High Low
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 12 studies and safety reviews.

  1. 1
    Safety Assessment of Alkyl Esters as Used in Cosmeticscir-safety.org
  2. 2
    Safety Assessment of Polyglyceryl Fatty Acid Esters as Used in Cosmeticscir-safety.org
  3. 3
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  4. 4
    Physical and chemical characteristics and fatty acids composition of seeds oil isolated from Camelina sativa (L) cultivated in Mongoliaresearchgate.net
  5. 5
    Vitamin E in dermatologyncbi.nlm.nih.gov
  6. 6
    Vitamin E and Skin Healthlpi.oregonstate.edu
CosMedix Micro Defense Microbiome Sheet Mask
CosMedixMicro Defense Microbiome Sheet Mask
Buy at Cosmedix$61.00$61.00as of 11/14 12:00 GMT

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

Buy at Cosmedix$61.00$61.00as of 11/14 12:00 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.