May Botanicals KELP! Seaweed Serum Sheet Mask | Organic Skincare

May Botanicals KELP! Seaweed Serum Sheet Mask | Organic Skincare

Efficacy25/100IrritancyHigh

Works for

Evens skin tone
Glycyrrhiza glabra root extract
Not delivered
What the product description says
“Kelp’s natural properties help with removing impurities and maintaining a healthy, even skin tone.”
Source: Content

This product contains ingredients (glycyrrhiza glabra root extract) that could help reduce hyperpigmentation (for example, post-acne marks or age spots) in theory, but there is not enough evidence that they actually work.

Glycyrrhiza glabra root extractEffect: LowA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals~0.15–0.65%
Moisturizing
Argania spinosa kernel oil ~0.45–1.1%, below the ~1% it needs + 2 more
Under-dosed
What the product description says
“The May Botanicals KELP! Seaweed Serum Sheet Mask is a biodegradable mask made from kelp, that aids in boosting skin's elasticity and firmness, leaving your face nourished, hydrated and glowing.”
Source: Content

Does not contain good ingredients to help with moisturization.

Laminaria japonica extractEffect: HighSeaweed extract that might help to attract water to the upper layer of the skin and have some anti-oxidant properties~4.2–6.3%
AdenosineEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.1–0.5%
Aloe barbadensis leaf extract· Humectant, EmollientEffect: LowTraditionally 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~23–34%
Scutellaria baicalensis root extract· HumectantEffect: LowA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties~0.1–0.45%
Pyrus communis fruit extract· HumectantEffect: LowCan have some moisturizing properties due to its sugar content~0.1–0.4%
Rosa damascena flower waterEffect: Low, below effective doseUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating~0.1–0.45%
Argania spinosa kernel oilUnder-dosedAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~0.45–1.1%
Centella asiatica extractUnder-dosedA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.45–1.1%
Avena sativa kernel extractUnder-dosedAn effective moisturizing and skin barrier repair ingredient. Helps calm down inflammation and has some anti-oxidant properties~0.35–0.8%
Anti-aging
Side benefit · Adenosine, Centella asiatica extract
Works well

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine.

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.

AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.1–0.5%
Centella asiatica extractUnder-dosedA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.45–1.1%

Can it cause trouble?

Irritancy
4 strong irritants: Angelica keiskei leaf/stem extract, Citrus junos fruit extract + 2 more — patch-test recommended
High risk
We flagged 14 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Angelica keiskei leaf/stem extractA fragrant plant extract. Might have some anti-oxidant properties. Can be irritatingHigh~0.2–0.8%est.
Citrus junos fruit extractContains essential oil. Can be irritating and lead to photosensitivityHigh~0.15–0.65%est.
Paeonia suffruticosa root extract—High~0.15–0.55%est.
Scutellaria baicalensis root extractA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant propertiesHigh~0.1–0.45%est.
Rosa damascena flower waterUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritatingHigh~0.1–0.45%est.
Prunus persica fruit extractA fruit extact. Might have some anti-oxidant propertiesHigh~0.15–0.6%est.
Jasminum officinale flower waterUsed as a fragrance. Can lead to irritationHigh~0.05–0.25%est.
Aloe barbadensis leaf extractTraditionally 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 skinMedium~23–34%est.
Serenoa serrulata fruit extractA plant extract that might help calm down inflammation in skin but evidence of effectiveness is lackingMedium~3.5–5.3%est.
Centella asiatica extractA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.Medium~0.45–1.1%est.
Argania spinosa kernel oilAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant propertiesMedium~0.45–1.1%est.
Bambusa vulgaris leaf/stem extractThe extract can contain up to 70% of silica. In cosmetics, silica helps absorb oil and creates a thicker product textureMedium~0.35–0.85%est.
Glycyrrhiza glabra root extractA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicalsMedium~0.15–0.65%est.
Pyrus communis fruit extractCan have some moisturizing properties due to its sugar contentMedium~0.1–0.4%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
Laminaria japonica extractSeaweed extract that might help to attract water to the upper layer of the skin and have some anti-oxidant properties3/5~4.2–6.3%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Aloe barbadensis leaf extract~23–34%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

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

More about Aloe barbadensis leaf extract
Laminaria japonica extract~4.2–6.3%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

Seaweed extract that might help to attract water to the upper layer of the skin and have some anti-oxidant properties

More about Laminaria japonica extract
Lactobacillus/aloe barbadensis ferment filtrate~4.3–6.5%
Formula
Serenoa serrulata fruit extract~3.5–5.3%
Irritant · medium
Irritation risk
Medium
Works for
Anti-inflammatory

A plant extract that might help calm down inflammation in skin but evidence of effectiveness is lacking

More about Serenoa serrulata fruit extract
Angelica polymorpha sinensis root extract~2.7–4%
Formula
Trigonella foenum-graecum seed extract~1.7–2.5%
Formula
Natto gum~1.5–2.3%
Formula
Irritation risk
Low
More about Natto gum
Leonurus sibiricus flower/leaf/stem extract~1.1–1.6%
Formula
Dioscorea opposita root extract~1–1.6%
Formula
Camellia japonica seed oil~0.9–1.35%
Formula
Irritation risk
Low

A plant oil that helps to soften the upper layer of the skin and can help restore skin's barrier function. Might have an anti-oxidant effect

More about Camellia japonica seed oil
Centella asiatica extract~0.45–1.1%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Reduces irritationAnti-inflammatoryReduces rednessMoisturizingAnti-agingAnti-oxidationAnti-blemish

A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.

More about Centella asiatica extract
Argania spinosa kernel oil~0.45–1.1%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

An emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties

More about Argania spinosa kernel oil
Anemarrhena asphodeloides root extract~0.35–0.85%
Formula
Irritation risk
Low
Works for
Anti-oxidation

A plant extract that might have some anti-oxidant properties

More about Anemarrhena asphodeloides root extract
Bambusa vulgaris leaf/stem extract~0.35–0.85%
Irritant · medium
Irritation risk
Medium

The extract can contain up to 70% of silica. In cosmetics, silica helps absorb oil and creates a thicker product texture

More about Bambusa vulgaris leaf/stem extract
Avena sativa kernel extract~0.35–0.8%
Under-dosed
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationReduces rednessAnti-oxidation

An effective moisturizing and skin barrier repair ingredient. Helps calm down inflammation and has some anti-oxidant properties

More about Avena sativa kernel extract
Corylus avellana seed oil~0.3–0.7%
Formula
Angelica keiskei leaf/stem extract~0.2–0.8%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A fragrant plant extract. Might have some anti-oxidant properties. Can be irritating

More about Angelica keiskei leaf/stem extract
Citrus junos fruit extract~0.15–0.65%
Irritant · high
Irritation risk
High

Contains essential oil. Can be irritating and lead to photosensitivity

More about Citrus junos fruit extract
Xanthan gum~0.15–0.6%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Paeonia suffruticosa root extract~0.15–0.55%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation
More about Paeonia suffruticosa root extract
Scutellaria baicalensis root extract~0.1–0.45%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatoryAnti-oxidationMoisturizingReduces irritationAntibacterial

A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties

More about Scutellaria baicalensis root extract
Glycyrrhiza glabra root extract~0.15–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidationReduces rednessEvens skin toneAnti-inflammatoryAntibacterial

A plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals

More about Glycyrrhiza glabra root extract
Plantago asiatica extract~0.15–0.55%
Formula
Adenosine~0.1–0.5%
Key active
Irritation risk
Low
Works for
Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine
Rosa damascena flower water~0.1–0.45%
Irritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

Used to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating

More about Rosa damascena flower water
Pyrus communis fruit extract~0.1–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Can have some moisturizing properties due to its sugar content

More about Pyrus communis fruit extract
Prunus persica fruit extract~0.15–0.6%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A fruit extact. Might have some anti-oxidant properties

More about Prunus persica fruit extract
Jasminum officinale flower water~0.05–0.25%
Irritant · high
Irritation risk
High

Used as a fragrance. Can lead to irritation

More about Jasminum officinale flower water
Hedera helix leaf/stem extract~0.1–0.35%
Formula
Cucumis melo seed extract~0.05–0.25%
Formula
Ingredient list view

Aloe barbadensis leaf extract, Laminaria japonica extract, Lactobacillus/aloe barbadensis ferment filtrate, Serenoa serrulata fruit extract, Angelica polymorpha sinensis root extract, Trigonella foenum-graecum seed extract, Natto gum, Leonurus sibiricus flower/leaf/stem extract, Dioscorea opposita root extract, Camellia japonica seed oil, Centella asiatica extract, Argania spinosa kernel oil, Anemarrhena asphodeloides root extract, Bambusa vulgaris leaf/stem extract, Avena sativa kernel extract, Corylus avellana seed oil, Angelica keiskei leaf/stem extract, Citrus junos fruit extract, Xanthan gum, Paeonia suffruticosa root extract, Scutellaria baicalensis root extract, Glycyrrhiza glabra root extract, Plantago asiatica extract, Adenosine, Rosa damascena flower water, Pyrus communis fruit extract, Prunus persica fruit extract, Jasminum officinale flower water, Hedera helix leaf/stem extract, Cucumis melo seed extract

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Amazon USPrice as of 11/14 09:15 GMT
$69.95
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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
May BotanicalsKELP! Seaweed Serum Sheet Mask | Organic SkincareYOUR PRODUCTJUMISOSuper Soothing Cica & Aloe Facial SerumGRAYMELINAstaxanthin Stemcell SerumFarm StayAloe All-In-One Ampoule
Match—47%47%47%
Price$69.95$14.59−$55.36$15.30−$54.65$17.80−$52.15
Shared key ingredients—2 of 41 of 41 of 4
Key difference—NiacinamideCeramide NpNiacinamide
Irritancy High High Medium Medium
Drying alcohol————
View product Shop Shop Shop

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Product summary

"May Botanicals - KELP! Seaweed Serum Sheet Mask | Organic Skincare" is effective for: Anti-aging

Ingredient callouts

  • Adenosine 0.10% - 0.50%. It is a compound that in involved in many biological processes inside the skin cells. According one high-quality clinical trial, topical Adenosine in low concentrations can somewhat help improve "deep wrinkles" - the wrinkles that appear with age in places where our faces are most dynamic (for example, on the forehead or in the corners of the eyes).

Price

The product retails for 137.00£ in the United Kingdom.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 16 studies and safety reviews.

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May Botanicals KELP! Seaweed Serum Sheet Mask | Organic Skincare
May BotanicalsKELP! Seaweed Serum Sheet Mask | Organic Skincare

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

As an Amazon Associate, WIMJ earns from qualifying purchases.