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111SKIN Y Theorem Day Cream Light NAC Y2
111SKIN

111SKIN Y Theorem Day Cream Light NAC Y2

Efficacy100/100IrritancyMedium
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Works for

1 of 1 advertised claim delivered

Moisturizing
Linoleic acid, Vitis vinifera seed oil + 9 more
Strong evidence
What the product description says
“The vitamin, antioxidant, and Hyaluronic Acid infused formula strengthens, plumps, and revitalises the complexion while keeping the skin hydrated and nourished.”
Source: 111skin

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: isopropyl myristate, vitis vinifera seed oil.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: linoleic acid

Vitis vinifera seed oilKey active· EmollientEffect: HighA great emollient that can also have anti-oxidant properties~0.1–0.5%
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~1.7–2.6%
Isopropyl myristateKey active· EmollientEffect: HighAn emollient that helps soften the skin. Could be comedogenic~5.5–8.2%
Linoleic acidHero· EmollientEffect: HighAn excellent emollient. Helps soften the skin, restore its barrier function, and can help to calm down inflammation. It can be helpful to prevent blemishes and clogged pores~0.15–0.55%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.5–1.15%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~1.3–1.9%
Hydrogenated palm oilKey active· EmollientEffect: MediumHelps soften the upper layer of the skin~3.2–4.8%
Stearic acid· EmollientEffect: LowHelps oil and water mix together and works as an emollient~2.1–3.2%
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~0.9–1.35%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~1.4–2.1%
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~0.35–0.85%

Can it cause trouble?

Irritancy
2 strong irritants: Retinyl palmitate, Parfum
Medium risk
We flagged 7 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.5–1%est.
Aesculus hippocastanum seed extractPlant extract. Might have some anti-oxidant properties. Can be irritatingHigh~0.1–0.45%est.
Retinyl palmitateThree steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effectHigh~0.05–0.3%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.1%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~0.9–1.35%est.
Sodium ascorbyl phosphateA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin CMedium~0.15–0.65%est.
Vitis vinifera seed oilA great emollient that can also have anti-oxidant propertiesMedium~0.1–0.5%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 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
Isopropyl myristateAn emollient that helps soften the skin. Could be comedogenic3/5~5.5–8.2%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~1.3–1.9%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
Isopropyl myristate~5.5–8.2%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

An emollient that helps soften the skin. Could be comedogenic

More about Isopropyl myristate
Hydrogenated palm oil~3.2–4.8%
Key active
Irritation risk
Low
Works for
CleansingMoisturizing

Helps soften the upper layer of the skin

More about Hydrogenated palm oil
Carbomer~2.7–4%
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
Stearic acid~2.1–3.2%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Glycerin~1.7–2.6%
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
Glyceryl stearate~1.4–2.1%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

More about Glyceryl stearate
Cetearyl alcohol~1.3–1.9%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Benzyl alcohol~0.5–1%
Irritant · high
Irritation risk
High

A preservative. Can be used to mask unpleasant smell. Can be irritating

More about Benzyl alcohol
Aloe barbadensis leaf extract~0.9–1.35%
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
Sodium hyaluronate~0.5–1.15%
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
Polysorbate 20~0.45–1.05%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Tocopherol~0.35–0.85%
Formula
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
Sodium hydroxide~0.3–0.7%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Xanthan gum~0.2–0.7%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Sodium ascorbyl phosphate~0.15–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Anti-blemishAnti-oxidationAnti-aging

A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C

More about Sodium ascorbyl phosphate
Aesculus hippocastanum seed extract~0.1–0.45%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

Plant extract. Might have some anti-oxidant properties. Can be irritating

More about Aesculus hippocastanum seed extract
Vitis vinifera seed oil~0.1–0.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A great emollient that can also have anti-oxidant properties

More about Vitis vinifera seed oil
Retinyl palmitate~0.05–0.3%
Irritant · high
Irritation risk
High
Works for
Anti-agingAnti-blemishEvens skin toneExfoliation

Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect

More about Retinyl palmitate
Linoleic acid~0.15–0.55%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingCleansingAnti-blemish

An excellent emollient. Helps soften the skin, restore its barrier function, and can help to calm down inflammation. It can be helpful to prevent blemishes and clogged pores

More about Linoleic acid
Acetyl cysteine~0.05–0.15%
Formula
Irritation risk
Low
More about Acetyl cysteine
Parfum~0.05–0.1%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Ingredient list view

Water, Isopropyl myristate, Hydrogenated palm oil, Carbomer, Stearic acid, Glycerin, Glyceryl stearate, Cetearyl alcohol, Benzyl alcohol, Aloe barbadensis leaf extract, Sodium hyaluronate, Polysorbate 20, Tocopherol, Sodium hydroxide, Xanthan gum, Sodium ascorbyl phosphate, Aesculus hippocastanum seed extract, Vitis vinifera seed oil, Retinyl palmitate, Linoleic acid, Acetyl cysteine, Parfum

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111skin
$220.00
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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
111SKINY Theorem Day Cream Light NAC Y2YOUR PRODUCTUltraceuticalsLIMITED EDITION SIZE Ultra Moisturiser CreamCliniqueDaily Calm™ Soothing Repair CreamBiossanceSqualane + Omega Repair Cream Jumbo
Match—58%58%58%
Price$220.00—$21.36−$198.64$65.39−$154.61
Shared key ingredients—4 of 63 of 64 of 6
Key difference—UreaCeramide NpCeramide Np
Irritancy Medium Low Low Low
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 15 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    Hyaluronic acid: A key molecule in skin agingncbi.nlm.nih.gov
  3. 3
    Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin careresearchgate.net
  4. 4
    Vitamin E in dermatologyncbi.nlm.nih.gov
  5. 5
    Vitamin E and Skin Healthlpi.oregonstate.edu
  6. 6
    Sodium ascorbyl phosphate shows in vitro and in vivo efficacy in the prevention and treatment of acne vulgarisncbi.nlm.nih.gov
111SKIN Y Theorem Day Cream Light NAC Y2
111SKINY Theorem Day Cream Light NAC Y2
Buy at 111skin$220.00Amazon

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

Buy at 111skin$220.00Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.