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Paula's choice C5 Super Boost Moisturizer
Paula's choice

Paula's choice C5 Super Boost Moisturizer

Efficacy75/100IrritancyMedium
See all ingredients In 3 routines
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Works for

3 of 3 advertised claims delivered

Evens skin tone
3-o-ethyl ascorbic acid, Ascorbyl glucoside
Moderate evidence
What the product description says
“The hero ingredient in this innovative moisturizer is vitamin C, a research-supported antioxidant that does so much more than brighten tone.”
Source: Paula's Choice US

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: 3-o-ethyl ascorbic acid, ascorbyl glucoside.

3-o-ethyl ascorbic acidKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~4.4–5.4%
Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~1.7–2.1%
Moisturizing
Polyglutamic acid, Squalane + 14 more
Good evidence
What the product description says
“C5 Super Boost Moisturizer”
From product name

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: polyglutamic acid, 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: dimethicone, squalane.

Polyglutamic acidKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin.~0.15–0.3%
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.~1.2–1.4%
SqualeneKey active· Emollient, OcclusiveEffect: HighAn oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast~0.25–0.45%
Glycine soja oilKey active· EmollientEffect: HighA good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.~0.2–0.35%
Bacillus fermentKey activeEffect: HighA product of bacterial fermentation. Can help attract water to the upper layer of the skin~0.15–0.3%
Beta-sitosterolKey active· EmollientEffect: HighA phytosterol that can support skin's barrier function and help the skin stay hydrated~0.2–0.4%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~3.3–4%
Jojoba estersKey active· EmollientEffect: HighAn emollient made of jojoba oil. Helps soften the skin and support its barrier function~0.2–0.4%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.45%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.15–0.3%
LysolecithinEffect: LowLecithin derivative. It helps oil and water mix together and can enhance penetration of other ingredients. It helps soften the upper layer of the skin~0.2–0.35%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~2.3–2.8%
Polyglyceryl-6 distearateEffect: LowHelps oil and water mix together while softening the upper layer of the skin~1.9–2.3%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.2–0.35%
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~0.15–0.3%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.2–0.35%
Anti-aging
Ascorbyl glucoside, Acetyl zingerone + 2 more
Moderate evidence
What the product description says
“Visibly improve the skin's firmness and bounce with the Paula's Choice C5 Super Boost Moisturiser, a skincare product that works to boost hydration with a blend of powerful ingredients while helping to minimise the signs of free-radical damage.”
Source: SpaceNK

This product contains acetyl zingerone, ascorbyl glucoside. These ingredients might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.

Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~1.7–2.1%
Acetyl zingeroneKey activeEffect: MediumAn active compound sourced from ginger root. It can help neutralize free radicals in skin. It might be able to help reduce fine lines and wrinkles and improve the skin tone. In small concentrations, used as a chelating agent and helps preserve stability of product formulations.~0.15–0.3%
3-o-ethyl ascorbic acidEffect: LowA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~4.4–5.4%
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~0.15–0.3%
Anti-oxidation
Not advertised by the brand · Acetyl zingerone, Squalene + 4 more
Strong evidence

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

The following ingredients - 3-o-ethyl ascorbic acid, ascorbyl glucoside, squalene also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

Acetyl zingeroneKey activeEffect: HighAn active compound sourced from ginger root. It can help neutralize free radicals in skin. It might be able to help reduce fine lines and wrinkles and improve the skin tone. In small concentrations, used as a chelating agent and helps preserve stability of product formulations.~0.15–0.3%
SqualeneKey activeEffect: MediumAn oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast~0.25–0.45%
3-o-ethyl ascorbic acidKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~4.4–5.4%
Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~1.7–2.1%
TocopherolUnder-dosedEffect: 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~0.15–0.3%
Rosmarinus officinalis leaf extractEffect: Low, below effective doseCan be helpful in reducing inflammation in skin, including inflamed acne. It can be irritating~0.15–0.25%

Can it cause trouble?

Irritancy
1 strong irritant: Rosmarinus officinalis leaf extract
Medium risk
We flagged 18 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
3-o-ethyl ascorbic acidA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in productsHigh~4.4–5.4%est.
Rosmarinus officinalis leaf extractCan be helpful in reducing inflammation in skin, including inflamed acne. It can be irritatingHigh~0.15–0.25%est.
Polyglyceryl-6 distearateHelps oil and water mix together while softening the upper layer of the skinMedium~1.9–2.3%est.
Ascorbyl glucosideA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in productsMedium~1.7–2.1%est.
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerA gelling agent that thickens the product consistency and leaves the skin with a velvety finishMedium~1.3–1.6%est.
Polyglyceryl-6 polyricinoleateHelps oil and water mix togetherMedium~0.35–0.65%est.
Hydrogenated phosphatidylcholineHelps oil and water mix togetherMedium~0.3–0.55%est.
Jojoba estersAn emollient made of jojoba oil. Helps soften the skin and support its barrier functionMedium~0.2–0.4%est.
Acetyl zingeroneAn active compound sourced from ginger root. It can help neutralize free radicals in skin. It might be able to help reduce fine lines and wrinkles and improve the skin tone. In small concentrations, used as a chelating agent and helps preserve stability of product formulations.Medium~0.15–0.3%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.2–0.35%est.
Polyglyceryl-3 beeswaxHelps water and oil mix together. Could be an allergen (beeswax)Medium~0.15–0.3%est.
EthylhexylglycerinA preservativeMedium~0.15–0.3%est.
Hexylene glycolHelps create a more spreadable product textureMedium~0.15–0.25%est.
Polysorbate 60Helps oil and water mix togetherMedium~0.2–0.35%est.
Glycine soja oilA good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.Medium~0.2–0.35%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.15–0.3%est.
Phytic acidAn alpha-hydroxy acid (AHA), but is mostly used to stabilize product formulations in cosmeticsMedium~0.2–0.35%est.
Potassium sorbateA preservativeMedium~0.15–0.3%est.
Comedogenic
3 ingredients rated 2 or more on the 0–5 pore-clogging scale
3 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
Theobroma cacao seed extract—3/5~0.45–0.65%est.
Glycine soja oilA good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.2/5~0.2–0.35%est.
SqualeneAn oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast2/5~0.25–0.45%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Carbon~5.4–6.6%
Formula
Irritation risk
Low
More about Carbon
3-o-ethyl ascorbic acid~4.4–5.4%
Key activeIrritant · high
Irritation risk
High
Works for
Evens skin toneAnti-oxidationAnti-aging

A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products

More about 3-o-ethyl ascorbic acid
Dimethicone~3.3–4%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Butylene glycol~2.3–2.8%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Polyglyceryl-6 distearate~1.9–2.3%
Irritant · medium
Irritation risk
Medium
Works for
CleansingMoisturizing

Helps oil and water mix together while softening the upper layer of the skin

More about Polyglyceryl-6 distearate
Ascorbyl glucoside~1.7–2.1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Evens skin toneAnti-agingAnti-oxidation

A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products

More about Ascorbyl glucoside
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer~1.3–1.6%
Irritant · medium
Irritation risk
Medium

A gelling agent that thickens the product consistency and leaves the skin with a velvety finish

More about Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer
Squalane~1.2–1.4%
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
Citrullus lanatus seed oil~0.75–1.15%
Formula
Irritation risk
Low
More about Citrullus lanatus seed oil
Hydrogenated lecithin~0.55–0.85%
Formula
Irritation risk
Low
Works for
Cleansing

Helps to retain moisture by creating a protective barrier on the skin. Rich in fatty acids. Improves product texture and helps with the penetration of other ingredients.

More about Hydrogenated lecithin
Theobroma cacao seed extract~0.45–0.65%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
More about Theobroma cacao seed extract
Polyglyceryl-6 polyricinoleate~0.35–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-6 polyricinoleate
Hydrogenated phosphatidylcholine~0.3–0.55%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Hydrogenated phosphatidylcholine
Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate~0.3–0.5%
Formula
Irritation risk
Low

Used to increase stability of product formulations

More about Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate
Sodium hyaluronate~0.25–0.45%
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
Oryza sativa bran extract~0.25–0.4%
Formula
Irritation risk
Low

Used to thicken the product consistency

More about Oryza sativa bran extract
Propanediol~0.25–0.4%
Formula
Irritation risk
Low

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

More about Propanediol
Jojoba esters~0.2–0.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient made of jojoba oil. Helps soften the skin and support its barrier function

More about Jojoba esters
Tocopherol~0.15–0.3%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-inflammatoryMoisturizingAnti-aging

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
Acetyl zingerone~0.15–0.3%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-aging

An active compound sourced from ginger root. It can help neutralize free radicals in skin. It might be able to help reduce fine lines and wrinkles and improve the skin tone. In small concentrations, used as a chelating agent and helps preserve stability of product formulations.

More about Acetyl zingerone
Caprylyl glycol~0.2–0.35%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Cetyl alcohol~0.15–0.3%
Key active
Irritation risk
Low
Works for
CleansingMoisturizing

A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together

More about Cetyl alcohol
Polyglyceryl-3 beeswax~0.15–0.3%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together. Could be an allergen (beeswax)

More about Polyglyceryl-3 beeswax
Helianthus annuus seed extract~0.15–0.25%
Formula
Irritation risk
Low
More about Helianthus annuus seed extract
Ethylhexylglycerin~0.15–0.3%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Hexylene glycol~0.15–0.25%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps create a more spreadable product texture

More about Hexylene glycol
Acetyl sh-hexapeptide-5 amide acetate~0.1–0.25%
Formula
Irritation risk
Low
More about Acetyl sh-hexapeptide-5 amide acetate
Sodium phytate~0.15–0.3%
Formula
Irritation risk
Low

Used to stabilize product formulations

More about Sodium phytate
Polysorbate 60~0.2–0.35%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 60
Sorbitan isostearate~0.2–0.35%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Sorbitan isostearate
Lecithin~0.2–0.35%
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
Rosmarinus officinalis leaf extract~0.15–0.25%
Irritant · high
Irritation risk
High
Works for
Anti-blemishAntibacterialAnti-oxidation

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

More about Rosmarinus officinalis leaf extract
Glycine soja oil~0.2–0.35%
Key activeComedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Moisturizing

A good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.

More about Glycine soja oil
Lysolecithin~0.2–0.35%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Lecithin derivative. It helps oil and water mix together and can enhance penetration of other ingredients. It helps soften the upper layer of the skin

More about Lysolecithin
Bacillus ferment~0.15–0.3%
Key active
Irritation risk
Low
Works for
Moisturizing

A product of bacterial fermentation. Can help attract water to the upper layer of the skin

More about Bacillus ferment
Citric acid~0.15–0.3%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Polyglutamic acid~0.15–0.3%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin.

More about Polyglutamic acid
Beta-sitosterol~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

A phytosterol that can support skin's barrier function and help the skin stay hydrated

More about Beta-sitosterol
Phytic acid~0.2–0.35%
Irritant · medium
Irritation risk
Medium

An alpha-hydroxy acid (AHA), but is mostly used to stabilize product formulations in cosmetics

More about Phytic acid
Squalene~0.25–0.45%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
MoisturizingAnti-oxidation

An oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast

More about Squalene
Phenoxyethanol~0.2–0.35%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Sodium benzoate~0.15–0.25%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Potassium sorbate~0.15–0.3%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Sodium hydroxide~0.1–0.2%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Ingredient list view

Water, Carbon, 3-o-ethyl ascorbic acid, Dimethicone, Butylene glycol, Polyglyceryl-6 distearate, Ascorbyl glucoside, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Squalane, Citrullus lanatus seed oil, Hydrogenated lecithin, Theobroma cacao seed extract, Polyglyceryl-6 polyricinoleate, Hydrogenated phosphatidylcholine, Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, Sodium hyaluronate, Oryza sativa bran extract, Propanediol, Jojoba esters, Tocopherol, Acetyl zingerone, Caprylyl glycol, Cetyl alcohol, Polyglyceryl-3 beeswax, Helianthus annuus seed extract, Ethylhexylglycerin, Hexylene glycol, Acetyl sh-hexapeptide-5 amide acetate, Sodium phytate, Polysorbate 60, Sorbitan isostearate, Lecithin, Rosmarinus officinalis leaf extract, Glycine soja oil, Lysolecithin, Bacillus ferment, Citric acid, Polyglutamic acid, Beta-sitosterol, Phytic acid, Squalene, Phenoxyethanol, Sodium benzoate, Potassium sorbate, Sodium hydroxide

Compare prices

Retailers ranked by price — lowest first.

Paula's Choice US
$45.00
Buy
Amazon USPrice as of 10/21/2026 06:02 GMT
$49.00
Buy
SpaceNK US
$62.00
Buy

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

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Product summary

Based on the ingredients included, "Paula's choice - C5 Super Boost Moisturizer" works well for moisturizing the skin. This moisturizer uses a good combo of humectants and emollients. These both types of ingredients are essentials for improving the skin hydration and keeping the skin barrier healthy. Panthenol, polyglutamic acid, sodium hyaluronate, butylene glycol and caprylyl glycol in this product (humectants) attract water molecules to the upper layer of the skin (the water comes from the outside air or from the deeper layers of the skin if the air is dry). Beta-sitosterol, glycine soja oil, helianthus annuus extract, jojoba esters and theobroma cacao seed butter in this product help decrease the water evoporation from the skin, so that it stays hydrated for longer. These ingredients also soften the skin and take away the feeling of tightness and dryness.

Ingredient callouts

  • This formulation also includes panthenol (pro-vitamin B5) at about 1.20% - 1.40% concentration. In this concentration, panthenol works effectively to improve the skin barrier and reduce inflammation.

Irritation risk

This moisturizer contains actives that can be irritating. We assess the overall irritancy of this moisturizer to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails from 38.25$ up to 45.00$ in the United States.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 24 studies and safety reviews.

  1. 1
    Antioxidant Ability and Stability Studies of 3-O-Ethyl Ascorbic Acid, a Cosmetic Tyrosinase Inhibitorncbi.nlm.nih.gov
  2. 2
    Dimethicone as a protective ingredient in topical medicationsjaad.org
  3. 3
    Final Report on the Safety Assessment of Dimethicone Copolyoljournals.sagepub.com
  4. 4
    The Roles of Vitamin C in Skin Healthncbi.nlm.nih.gov
  5. 5
    Stability, transdermal penetration, and cutaneous effects of ascorbic acid and its derivativesncbi.nlm.nih.gov
  6. 6
    Safety Assessment of Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate as Used in Cosmeticscir-safety.org
Paula's choice C5 Super Boost Moisturizer
Paula's choiceC5 Super Boost Moisturizer
Buy at Paula's Choice US$45.00$49.00as of 10/21 06:02 GMT

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

Buy at Paula's Choice US$45.00$49.00as of 10/21 06:02 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.