Cellex-C Sea Silk Oil-Free Moisturizer

Cellex-C Sea Silk Oil-Free Moisturizer

Efficacy37/100IrritancyMedium
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Works for

1 of 2 advertised claims delivered

Moisturizing
Sodium hyaluronate, Glycerin + 6 more
Good evidence
What the product description says
“Cellex-C Sea Silk Oil-Free Moisturizer is developed with natural anti-aging and moisturizing benefits from a variety of sea life to nourish, moisturize and protect your skin.”
Source: Dermstore

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: jojoba esters, cetearyl alcohol.

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~2–3%
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%
Jojoba estersKey active· EmollientEffect: HighAn emollient made of jojoba oil. Helps soften the skin and support its barrier function~5.1–7.6%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~3.1–4.7%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~1.2–1.9%
Plankton extractKey activeEffect: MediumCan help attract water to the upper layer of the skin~0.55–1.35%
Stearic acid· EmollientEffect: LowHelps oil and water mix together and works as an emollient~1.5–2.2%
AllantoinUnder-dosedEffect: HighHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.1–0.4%
Anti-aging
No ingredient credited for this claim
No evidence
What the product description says
“Cellex-C Sea Silk Oil-Free Moisturizer is developed with natural anti-aging and moisturizing benefits from a variety of sea life to nourish, moisturize and protect your skin.”
Source: Dermstore

Effective ingredients missing or their concentration is too low.

Can it cause trouble?

Irritancy
2 strong irritants: Nasturtium officinale extract, Parfum
Medium risk
We flagged 8 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Nasturtium officinale extractUsed as a fragrance. Might have anti-oxidant propertiesHigh~0.35–0.85%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.01–0.1%est.
Jojoba estersAn emollient made of jojoba oil. Helps soften the skin and support its barrier functionMedium~5.1–7.6%est.
Ceteareth-20Helps oil and water mix together. Has some emollient propertiesMedium~2.7–4%est.
Plankton extractCan help attract water to the upper layer of the skinMedium~0.55–1.35%est.
Hippophae rhamnoides fruit extractA plant extract that might help neutralize free radicals in skin, but research on its effectiveness is lackingMedium~0.45–1.1%est.
Disodium edtaStabilizes the product formulationMedium~0.1–0.4%est.
Ci 42090A colorant (dye)Medium~0.05–0.15%est.
Comedogenic
4 ingredients rated 2 or more on the 0–5 pore-clogging scale
4 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
Plankton extractCan help attract water to the upper layer of the skin3/5~0.55–1.35%est.
Macrocystis pyrifera extract—3/5~0.15–0.55%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~3.1–4.7%est.
Ceteareth-20Helps oil and water mix together. Has some emollient properties2/5~2.7–4%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
Jojoba esters~5.1–7.6%
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
Cetearyl alcohol~3.1–4.7%
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
Ceteareth-20~2.7–4%
Comedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Cleansing

Helps oil and water mix together. Has some emollient properties

More about Ceteareth-20
Sodium hyaluronate~2–3%
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
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
Seasilk
Not recognized
Stearic acid~1.5–2.2%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Cetyl alcohol~1.2–1.9%
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
Polysorbate 20~0.95–1.45%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Plankton extract~0.55–1.35%
Key activeComedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Moisturizing

Can help attract water to the upper layer of the skin

More about Plankton extract
Hippophae rhamnoides fruit extract~0.45–1.1%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that might help neutralize free radicals in skin, but research on its effectiveness is lacking

More about Hippophae rhamnoides fruit extract
Nasturtium officinale extract~0.35–0.85%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

Used as a fragrance. Might have anti-oxidant properties

More about Nasturtium officinale extract
Dimethyl mea~0.35–0.8%
Formula
Irritation risk
Low
More about Dimethyl mea
Phenoxyethanol~0.3–0.75%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Carbomer~0.3–0.7%
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
Codium tomentosum extract~0.15–0.65%
Formula
Macrocystis pyrifera extract~0.15–0.55%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
More about Macrocystis pyrifera extract
Ulva lactuca extract~0.15–0.5%
Formula
Allantoin~0.1–0.4%
Under-dosed
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationReduces rednessAnti-blemishExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Disodium edta~0.1–0.4%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Methylparaben~0.05–0.25%
Formula
Irritation risk
Low

A preservative

More about Methylparaben
Propylparaben~0.05–0.25%
Formula
Irritation risk
Low

A preservative

More about Propylparaben
Ci 61570~0.05–0.2%
Formula
Irritation risk
Low
More about Ci 61570
Ci 42090~0.05–0.15%
Irritant · medium
Irritation risk
Medium

A colorant (dye)

More about Ci 42090
Parfum~0.01–0.1%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Ingredient list view

Water, Jojoba esters, Cetearyl alcohol, Ceteareth-20, Sodium hyaluronate, Glycerin, Unknown, Stearic acid, Cetyl alcohol, Polysorbate 20, Plankton extract, Hippophae rhamnoides fruit extract, Nasturtium officinale extract, Dimethyl mea, Phenoxyethanol, Carbomer, Codium tomentosum extract, Macrocystis pyrifera extract, Ulva lactuca extract, Allantoin, Disodium edta, Methylparaben, Propylparaben, Ci 61570, Ci 42090, Parfum

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Amazon USPrice as of 10/27/2026 15:01 GMT
$73.00
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Dermstore
$73.00
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