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Esker Firming Oil
Esker

Esker Firming Oil

Efficacy75/100IrritancyHigh
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Works for

1 of 1 advertised claim delivered

Moisturizing
12 ingredients credited for this claim
Good support
What the product description says
“Anchored by the hydrating properties of juniper berry, rosehip seed, and baobab oil, Firming Oil boasts a rich, quick-absorbing base that makes skin feel soft and supple.”
Source: Bluemercury

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: caprylic/capric triglyceride, cocos nucifera oil.

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).

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~3.1–4.7%
Persea gratissima oilKey active· EmollientEffect: HighAn emollient that helps soften the skin and could be helpful in repairing its barrier function~0.85–1.25%
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~6.1–9.2%
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~22–33%
Oenothera biennis oilKey active· EmollientEffect: HighHelps soften the upper layer of the skin and can support skin barrier function~0.55–1.3%
Adansonia digitata oilKey active· EmollientEffect: HighBaobab oil. Helps soften the upper layer of the skin~1–1.5%
SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~4.8–7.3%
Rosa canina seed oilKey activeEffect: HighA plant oil that helps soften the upper layer of the skin. It might have anti-oxidant properties. Might help reduce inflammation in skin and help against blemishes~1.9–2.8%
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.~2.5–3.7%
Adansonia digitata seed oilKey active· EmollientEffect: MediumHelps soften the upper layer of the skin~1.2–1.8%
TocopherolEffect: LowPure 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~3.8–5.7%
Rosa canina fruit oilUnder-dosedEffect: HighA great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritating~1.4–2.1%
Anti-oxidation
Not advertised by the brand · 4 ingredients credited for this claim
Strong support

This product contains antioxidants (tocopherol) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

TocopherolKey activeEffect: HighPure 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~3.8–5.7%
Oenothera biennis oilEffect: LowHelps soften the upper layer of the skin and can support skin barrier function~0.55–1.3%
Rosa canina seed oilEffect: LowA plant oil that helps soften the upper layer of the skin. It might have anti-oxidant properties. Might help reduce inflammation in skin and help against blemishes~1.9–2.8%
Rosa canina fruit oilEffect: Low, below effective doseA great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritating~1.4–2.1%
Anti-aging
Not advertised by the brand · 1 ingredient credited for this claim
Moderate support

This product contains tocopherol. This ingredient help neutralize free radicals in skin. By doing so, they might be able to prevent early signs of aging (like fine lines and wrinkles), at least to some extent. These ingredients will not be able to "reverse" signs of aging.

TocopherolEffect: LowPure 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~3.8–5.7%

Can it cause trouble?

Irritancy
5 strong irritants: Citrus grandis peel oil, Citrus paradisi peel oil + 3 more — patch-test recommended
High risk
We flagged 12 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Citrus grandis peel oilA plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skinHigh~0.3–0.75%est.
Citrus paradisi peel oilUsed as a fragrance. Can be irritatingHigh~0.15–0.6%est.
Cymbopogon martini oilAromatic plant oil used in cosmetics as a fragrance. A likely irritantHigh~0.15–0.55%est.
Lavandula angustifolia flower oilA fragrant plant oil, can be irritatingHigh~0.1–0.35%est.
Lavandula angustifolia extractUsed for fragrance and contains volatile compounds that can irritate the skinHigh~0.1–0.4%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~6.1–9.2%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~2.5–3.7%est.
Rosa canina seed oilA plant oil that helps soften the upper layer of the skin. It might have anti-oxidant properties. Might help reduce inflammation in skin and help against blemishesMedium~1.9–2.8%est.
Rosa canina fruit oilA great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritatingMedium~1.4–2.1%est.
Adansonia digitata seed oilHelps soften the upper layer of the skinMedium~1.2–1.8%est.
Persea gratissima oilAn emollient that helps soften the skin and could be helpful in repairing its barrier functionMedium~0.85–1.25%est.
Oenothera biennis oilHelps soften the upper layer of the skin and can support skin barrier functionMedium~0.55–1.3%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 comedogenic3/5~22–33%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Cocos nucifera oil~22–33%
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
Oil
Not recognized
Caprylic/capric triglyceride~6.1–9.2%
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
Squalane~4.8–7.3%
Key active
Irritation risk
Low
Works for
Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane
Tocopherol~3.8–5.7%
Key active
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
Helianthus annuus seed oil~3.1–4.7%
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
(macadamia ternifolia),juniper berry oil* (juniperus…
Not recognized
Simmondsia chinensis seed oil~2.5–3.7%
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
Rosa canina seed oil~1.9–2.8%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatoryAnti-oxidation

A plant oil that helps soften the upper layer of the skin. It might have anti-oxidant properties. Might help reduce inflammation in skin and help against blemishes

More about Rosa canina seed oil
Rosa canina fruit oil~1.4–2.1%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritating

More about Rosa canina fruit oil
Adansonia digitata seed oil~1.2–1.8%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Adansonia digitata seed oil
Adansonia digitata oil~1–1.5%
Key active
Irritation risk
Low
Works for
Moisturizing

Baobab oil. Helps soften the upper layer of the skin

More about Adansonia digitata oil
Persea gratissima oil~0.85–1.25%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that helps soften the skin and could be helpful in repairing its barrier function

More about Persea gratissima oil
Oenothera biennis oil~0.55–1.3%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidationAnti-blemishAnti-inflammatory

Helps soften the upper layer of the skin and can support skin barrier function

More about Oenothera biennis oil
Oenothera biennis extract~0.45–1.05%
Formula
Irritation risk
Low
More about Oenothera biennis extract
Citrus grandis peel oil~0.3–0.75%
Irritant · high
Irritation risk
High

A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin

More about Citrus grandis peel oil
Citrus paradisi peel oil~0.15–0.6%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating

More about Citrus paradisi peel oil
Cymbopogon martini oil~0.15–0.55%
Irritant · high
Irritation risk
High

Aromatic plant oil used in cosmetics as a fragrance. A likely irritant

More about Cymbopogon martini oil
Lavandula angustifolia flower oil~0.1–0.35%
Irritant · high
Irritation risk
High

A fragrant plant oil, can be irritating

More about Lavandula angustifolia flower oil
Lavandula angustifolia extract~0.1–0.4%
Irritant · high
Irritation risk
High

Used for fragrance and contains volatile compounds that can irritate the skin

More about Lavandula angustifolia extract
Ingredient list view

Cocos nucifera oil, Unknown, Caprylic/capric triglyceride, Squalane, Tocopherol, Helianthus annuus seed oil, Unknown, Simmondsia chinensis seed oil, Rosa canina seed oil, Rosa canina fruit oil, Adansonia digitata seed oil, Adansonia digitata oil, Persea gratissima oil, Oenothera biennis oil, Oenothera biennis extract, Citrus grandis peel oil, Citrus paradisi peel oil, Cymbopogon martini oil, Lavandula angustifolia flower oil, Lavandula angustifolia extract

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Bluemercury
$40.00
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 10 studies and safety reviews.

  1. 1
    Vitamin E in dermatologyncbi.nlm.nih.gov
  2. 2
    Vitamin E and Skin Healthlpi.oregonstate.edu
  3. 3
    Effect of Olive and Sunflower Seed Oil on the Adult Skin Barrier: Implications for Neonatal Skin Careonlinelibrary.wiley.com
  4. 4
    Topically Applied Sunflower Seed Oil Prevents Invasive Bacterial Infections in Preterm Infants in Egyptjournals.lww.com
  5. 5
    Effect of topically applied lipids on surfactant-irritated skinonlinelibrary.wiley.com
  6. 6
    Impact of topical oils on the skin barrier: possible implications for neonatal health in developing countriesonlinelibrary.wiley.com
Esker Firming Oil
EskerFirming Oil
Buy at Bluemercury$40.00Amazon

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

Buy at Bluemercury$40.00Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.