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OSKIA Super R Retinoid Sleep Serum Capsules
OSKIA

OSKIA Super R Retinoid Sleep Serum Capsules

Efficacy91/100IrritancyHigh
See all ingredients

Works for

Anti-aging
Hydroxypinacolone retinoate, Alaria esculenta extract + 3 more
Works well
What the product description says
“Gentle yet highly effective, OSKIA Super R Retinoid Sleep Serum Capsules is an evening Retinoid treatment that contains OSKIA’s advanced Super-Nutrient Retinoid Complex (Retinoid, Vitamins C & E, and Pro-Vitamin D3) to help maintain a firm, plump, and youthful looking complexion.”
Source: Face the future

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

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.

Hydroxypinacolone retinoateHeroEffect: HighA derivative of the most potent form of vitamin A, retinoic acid. The ingredient can be sold under name Granactive Retinoid. Note that if a skincare brand discloses the concentration of Granactive Retinoid in a product, the concentration refers to a diluted form of Hydroxypinacolone Retinoate: 1% of Granactive Retinoid corresponds to 0.1% of Hydroxypinacolone Retinoate. Hydroxypinacolone Retinoate (HPR) is a unique derivative of retinoic acid because it can directly work in the skin and does not require additional conversion steps. According to studies done by the manufacturer on models of human skin (not real people), this derivative is more effective than other cosmetic versions of retinoids (such as retinol, retinaldehyde, and retinyl palmitate), and, at the same time, causes less irritation. It has been also demonstrated to be more stable than retinol which makes formulating with easier and increases the chances that a product with it will maintain its effectiveness after opening. The packaging should still ideally be air-tight. HPR is available over the counter in the EU, UK, Asia, Australia and New Zealand, but is only with a prescription in Canada.~0.4–0.9%
Alaria esculenta extractEffect: LowWorks as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.~1.2–1.8%
UbiquinoneEffect: LowCoenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen~1–1.5%
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~0.5–1.15%
Ascorbyl tetraisopalmitateUnder-dosedA 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)~2.9–4.3%
Evens skin tone
Hydroxypinacolone retinoate, Ascorbyl tetraisopalmitate
Works well
What the product description says
“Created with OSKIA’s advanced Super-Nutrient Retinoid Complex, a combination of Retinoid, Vitamins C & E, plus Pro-Vitamin D3, this non-greasy and deeply penetrating serum supports skin health and visibly brightens the complexion to leave it feeling hydrated, radiant, and toned.”
Source: Face the future

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: hydroxypinacolone retinoate.

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

Hydroxypinacolone retinoateHeroEffect: HighA derivative of the most potent form of vitamin A, retinoic acid. The ingredient can be sold under name Granactive Retinoid. Note that if a skincare brand discloses the concentration of Granactive Retinoid in a product, the concentration refers to a diluted form of Hydroxypinacolone Retinoate: 1% of Granactive Retinoid corresponds to 0.1% of Hydroxypinacolone Retinoate. Hydroxypinacolone Retinoate (HPR) is a unique derivative of retinoic acid because it can directly work in the skin and does not require additional conversion steps. According to studies done by the manufacturer on models of human skin (not real people), this derivative is more effective than other cosmetic versions of retinoids (such as retinol, retinaldehyde, and retinyl palmitate), and, at the same time, causes less irritation. It has been also demonstrated to be more stable than retinol which makes formulating with easier and increases the chances that a product with it will maintain its effectiveness after opening. The packaging should still ideally be air-tight. HPR is available over the counter in the EU, UK, Asia, Australia and New Zealand, but is only with a prescription in Canada.~0.4–0.9%
Ascorbyl tetraisopalmitateUnder-dosedA 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)~2.9–4.3%
Moisturizing
Echium plantagineum seed oil, Alaria esculenta extract + 11 more
Works
What the product description says
“Created with OSKIA’s advanced Super-Nutrient Retinoid Complex, a combination of Retinoid, Vitamins C & E, plus Pro-Vitamin D3, this non-greasy and deeply penetrating serum supports skin health and visibly brightens the complexion to leave it feeling hydrated, radiant, and toned.”
Source: Face the future

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, alaria esculenta extract.

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, helianthus annuus seed oil.

Echium plantagineum seed oilKey activeEffect: HighA plant oil that because of its high content of alpha-linolenic acid help support skin barrier function and moisturize the skin~1.9–2.9%
Alaria esculenta extractKey active· HumectantEffect: MediumWorks as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.~1.2–1.8%
UbiquinoneKey activeEffect: HighCoenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen~1–1.5%
7-dehydrocholesterolKey activeEffect: HighPro-vitamin D. It is claimed to have anti-inflammatory effect in skin, but there is no research available confirming that this compound converts to vitamin D in skin or has any other benefits apart from softening the upper layer of the skin. This compound is different from the Vitamin D3 analogues used in medicine to treat psoriasis~0.8–1.25%
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~0.45–1.1%
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~0.2–0.7%
Helianthus annuus seed oil unsaponifiablesKey active· EmollientEffect: 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~0.2–0.8%
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~0.1–0.4%
Octyldodecanol· EmollientEffect: LowAn emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation~3.5–5.3%
Olus oil· EmollientEffect: LowAn oil from a mixture of different vegetables. Helps soften the upper layer of the skin~0.15–0.6%
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)~2.9–4.3%
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~0.5–1.15%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.15–0.6%
Anti-blemish
Side benefit · Hydroxypinacolone retinoate, Rosmarinus officinalis leaf extract
Works well

This product can help reduce breakouts and clogged pores because it contains the following ingredient: hydroxypinacolone retinoate. This ingredient is used for treating acne and can have a noticeable effect.

Hydroxypinacolone retinoateHeroEffect: HighA derivative of the most potent form of vitamin A, retinoic acid. The ingredient can be sold under name Granactive Retinoid. Note that if a skincare brand discloses the concentration of Granactive Retinoid in a product, the concentration refers to a diluted form of Hydroxypinacolone Retinoate: 1% of Granactive Retinoid corresponds to 0.1% of Hydroxypinacolone Retinoate. Hydroxypinacolone Retinoate (HPR) is a unique derivative of retinoic acid because it can directly work in the skin and does not require additional conversion steps. According to studies done by the manufacturer on models of human skin (not real people), this derivative is more effective than other cosmetic versions of retinoids (such as retinol, retinaldehyde, and retinyl palmitate), and, at the same time, causes less irritation. It has been also demonstrated to be more stable than retinol which makes formulating with easier and increases the chances that a product with it will maintain its effectiveness after opening. The packaging should still ideally be air-tight. HPR is available over the counter in the EU, UK, Asia, Australia and New Zealand, but is only with a prescription in Canada.~0.4–0.9%
Rosmarinus officinalis leaf extractUnder-dosedCan be helpful in reducing inflammation in skin, including inflamed acne. It can be irritating~0.15–0.65%
Anti-oxidation
Side benefit · Ubiquinone, Alaria esculenta extract + 4 more
Works well

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

UbiquinoneKey activeEffect: HighCoenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen~1–1.5%
Alaria esculenta extractEffect: LowWorks as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.~1.2–1.8%
Cardiospermum halicacabum flower/leaf/vine extractEffect: LowA plant extract that might have some anti-inflammatory and anti-oxidant properties but evidence is missing~0.15–0.65%
Rosmarinus officinalis leaf extractEffect: Low, below effective doseCan be helpful in reducing inflammation in skin, including inflamed acne. It can be irritating~0.15–0.65%
Ascorbyl tetraisopalmitateUnder-dosedA 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)~2.9–4.3%
TocopherolUnder-dosedPure 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~0.5–1.15%

Can it cause trouble?

Irritancy
3 strong irritants: Hydroxypinacolone retinoate, Rosmarinus officinalis leaf extract + 1 more — patch-test recommended
High risk
We flagged 10 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Curcuma longa root extractA plant extract that can contain an active compound curcumin, that may have some anti-inflammatory properties when applied to the skin, but solid research is lacking and the typical concentration used in skincare products is too low. Can be an irritantHigh~1.4–2.1%est.
Hydroxypinacolone retinoateA derivative of the most potent form of vitamin A, retinoic acid. The ingredient can be sold under name Granactive Retinoid. Note that if a skincare brand discloses the concentration of Granactive Retinoid in a product, the concentration refers to a diluted form of Hydroxypinacolone Retinoate: 1% of Granactive Retinoid corresponds to 0.1% of Hydroxypinacolone Retinoate. Hydroxypinacolone Retinoate (HPR) is a unique derivative of retinoic acid because it can directly work in the skin and does not require additional conversion steps. According to studies done by the manufacturer on models of human skin (not real people), this derivative is more effective than other cosmetic versions of retinoids (such as retinol, retinaldehyde, and retinyl palmitate), and, at the same time, causes less irritation. It has been also demonstrated to be more stable than retinol which makes formulating with easier and increases the chances that a product with it will maintain its effectiveness after opening. The packaging should still ideally be air-tight. HPR is available over the counter in the EU, UK, Asia, Australia and New Zealand, but is only with a prescription in Canada.High~0.4–0.9%est.
Coco-glucosideUsed as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritatingHigh~0.35–0.85%est.
Rosmarinus officinalis leaf extractCan be helpful in reducing inflammation in skin, including inflamed acne. It can be irritatingHigh~0.15–0.65%est.
Cardiospermum halicacabum flower/leaf/vine extractA plant extract that might have some anti-inflammatory and anti-oxidant properties but evidence is missingHigh~0.15–0.65%est.
Rosa damascena extractOil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.High~0.05–0.2%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~2.9–4.3%est.
Echium plantagineum seed oilA plant oil that because of its high content of alpha-linolenic acid help support skin barrier function and moisturize the skinMedium~1.9–2.9%est.
7-dehydrocholesterolPro-vitamin D. It is claimed to have anti-inflammatory effect in skin, but there is no research available confirming that this compound converts to vitamin D in skin or has any other benefits apart from softening the upper layer of the skin. This compound is different from the Vitamin D3 analogues used in medicine to treat psoriasisMedium~0.8–1.25%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~0.45–1.1%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
Alternatives
Cheaper, or higher on efficacy
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sk.in flash | repair shot
Cheaper85% match
$30.98
A+ High-Dose Retinoid Serum
SUNDAY RILEY A+ High-Dose Retinoid Serum
Higher efficacy · 100/10075% match
$85.00
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Ingredients

Filter by role to see what each ingredient is doing.

C13-15 alkane~23–35%
Formula
Irritation risk
Low

Helps dissolve other ingredients in the formula

More about C13-15 alkane
Dimethyl isosorbide~5.1–7.7%
Formula
Irritation risk
Low

Used to dissolve other ingredients in a product and can enhance their ability to penetrate the skin

More about Dimethyl isosorbide
Sorbitan isostearate~3.2–4.8%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Sorbitan isostearate
Octyldodecanol~3.5–5.3%
Formula
Irritation risk
Low
Works for
Moisturizing

An emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation

More about Octyldodecanol
Ascorbyl tetraisopalmitate~2.9–4.3%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin toneAnti-agingMoisturizing

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
Echium plantagineum seed oil~1.9–2.9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatory

A plant oil that because of its high content of alpha-linolenic acid help support skin barrier function and moisturize the skin

More about Echium plantagineum seed oil
Curcuma longa root extract~1.4–2.1%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatory

A plant extract that can contain an active compound curcumin, that may have some anti-inflammatory properties when applied to the skin, but solid research is lacking and the typical concentration used in skincare products is too low. Can be an irritant

More about Curcuma longa root extract
Alaria esculenta extract~1.2–1.8%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidationAnti-aging

Works as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.

More about Alaria esculenta extract
Ubiquinone~1–1.5%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidationAnti-aging

Coenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen

More about Ubiquinone
7-dehydrocholesterol~0.8–1.25%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Pro-vitamin D. It is claimed to have anti-inflammatory effect in skin, but there is no research available confirming that this compound converts to vitamin D in skin or has any other benefits apart from softening the upper layer of the skin. This compound is different from the Vitamin D3 analogues used in medicine to treat psoriasis

More about 7-dehydrocholesterol
Tocopherol~0.5–1.15%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-agingMoisturizingAnti-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
Caprylic/capric triglyceride~0.45–1.1%
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
Hydroxypinacolone retinoate~0.4–0.9%
Hero · Anti-aging, Evens skin tone, Anti-blemishIrritant · high
Irritation risk
High
Works for
Anti-blemishAnti-agingEvens skin toneExfoliation

A derivative of the most potent form of vitamin A, retinoic acid. The ingredient can be sold under name Granactive Retinoid. Note that if a skincare brand discloses the concentration of Granactive Retinoid in a product, the concentration refers to a diluted form of Hydroxypinacolone Retinoate: 1% of Granactive Retinoid corresponds to 0.1% of Hydroxypinacolone Retinoate. Hydroxypinacolone Retinoate (HPR) is a unique derivative of retinoic acid because it can directly work in the skin and does not require additional conversion steps. According to studies done by the manufacturer on models of human skin (not real people), this derivative is more effective than other cosmetic versions of retinoids (such as retinol, retinaldehyde, and retinyl palmitate), and, at the same time, causes less irritation. It has been also demonstrated to be more stable than retinol which makes formulating with easier and increases the chances that a product with it will maintain its effectiveness after opening. The packaging should still ideally be air-tight. HPR is available over the counter in the EU, UK, Asia, Australia and New Zealand, but is only with a prescription in Canada.

More about Hydroxypinacolone retinoate
Coco-glucoside~0.35–0.85%
Irritant · high
Irritation risk
High
Works for
Cleansing

Used as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritating

More about Coco-glucoside
Rosmarinus officinalis leaf extract~0.15–0.65%
Under-dosedIrritant · high
Irritation risk
High
Works for
Anti-blemishAnti-oxidationAntibacterial

Can be helpful in reducing inflammation in skin, including inflamed acne. It can be irritating

More about Rosmarinus officinalis leaf extract
Cardiospermum halicacabum flower/leaf/vine extract~0.15–0.65%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatoryAnti-oxidation

A plant extract that might have some anti-inflammatory and anti-oxidant properties but evidence is missing

More about Cardiospermum halicacabum flower/leaf/vine extract
Helianthus annuus seed oil unsaponifiables~0.2–0.8%
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 unsaponifiables
Helianthus annuus seed oil~0.2–0.7%
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
Olus oil~0.15–0.6%
Formula
Irritation risk
Low
Works for
Moisturizing

An oil from a mixture of different vegetables. Helps soften the upper layer of the skin

More about Olus oil
Lecithin~0.15–0.6%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin

More about Lecithin
Glycerin~0.1–0.4%
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
Water~0.05–0.25%
Formula
Irritation risk
Low

Plain old water

More about Water
Sodium benzoate~0.05–0.25%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Rosa damascena extract~0.05–0.2%
Irritant · high
Irritation risk
High

Oil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.

More about Rosa damascena extract
Ingredient list view

C13-15 alkane, Dimethyl isosorbide, Sorbitan isostearate, Octyldodecanol, Ascorbyl tetraisopalmitate, Echium plantagineum seed oil, Curcuma longa root extract, Alaria esculenta extract, Ubiquinone, 7-dehydrocholesterol, Tocopherol, Caprylic/capric triglyceride, Hydroxypinacolone retinoate, Coco-glucoside, Rosmarinus officinalis leaf extract, Cardiospermum halicacabum flower/leaf/vine extract, Helianthus annuus seed oil unsaponifiables, Helianthus annuus seed oil, Olus oil, Lecithin, Glycerin, Water, Sodium benzoate, Rosa damascena extract

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🇬🇧 Face the future (UK)
≈ $75.12
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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
OSKIASuper R Retinoid Sleep Serum CapsulesYOUR PRODUCTsk.inflash | repair shotSUNDAY RILEYA+ High-Dose Retinoid SerumZelensPower A Retexturising and Renewing Serum
Match—85%75%74%
Price—$30.98$85.00$57.62
Shared key ingredients—3 of 116 of 114 of 11
Key difference—DimethiconeRetinolRetinol
Irritancy High Medium High Medium
Drying alcohol—— Contains drying alcohol —
View product Shop Shop Shop
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Product summary

"OSKIA - Super R Retinoid Sleep Serum Capsules" is effective for: Anti-blemish, Anti-oxidation, Anti-aging and Evens skin tone

This product could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • this product contains an effective form of Retinoids (vitamin A): hydroxypinacolone retinoate 0.40% - 0.90%. Retinoids are potent multitasking actives. They work to improve and prevent early signs of aging, reduce hyperpigmentation (age spots and post-acne marks), and prevent inflamed blemishes and clogged pores. The downside of Retinoids is that they can be irritating. If you are not already using a Retinoid in your routine, it is best to start slowly and apply the Retinoid product only a few times per week. If your skin tolerates it well, you can gradually increase the frequency to daily.
  • Humectants (glycerin 0.10% - 0.40%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails for 75.00£ 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 25 studies and safety reviews.

  1. 1
    Activity enhancement of ferulic acid with dimethyl isosorbride in cosmetic compositionspatents.google.com
  2. 2
    Assessment of penetration of Ascorbyl Tetraisopalmitate into biological membranes by molecular dynamicssciencedirect.com
  3. 3
    Stability evaluation of tocopheryl acetate and ascorbyl tetraisopalmitate in isolation and incorporated in cosmetic formulations using thermal analysisscielo.br
  4. 4
    A new lipophilic pro-vitamin C, tetra-isopalmitoyl ascorbic acid (VC-IP), prevents UV-induced skin pigmentation through its anti-oxidative propertiessciencedirect.com
  5. 5
    New lipophilic pro-vitamin C, tetra-isopalmitoyl ascorbic acid (VC-IP), suppresses senile lentigo through controlling of melanocytes-keratinocytes interactionmorressier.com
  6. 6
    Healing fats of the skin: the structural and immunologic roles of the omega-6 and omega-3 fatty acidsncbi.nlm.nih.gov
OSKIA Super R Retinoid Sleep Serum Capsules
OSKIASuper R Retinoid Sleep Serum Capsules
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Find on Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.