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RoC Skincare Hydration+ Serum Capsules
RoC Skincare

RoC Skincare Hydration+ Serum Capsules

Efficacy100/100IrritancyLow
See all ingredients

Works for

Moisturizing
Isosorbide dicaprylate, Coconut alkanes + 7 more
Works well
What the product description says
“A hydrating face serum with Hyaluronic Acid to plump skin by drawing moisture to the skin surface.”
Source: RoC Skincare

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: 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: caprylic/capric triglyceride, cocos nucifera oil.

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

Isosorbide dicaprylateHero· EmollientEffect: HighHelps soften the upper layer of the skin. Early studies suggest that it can help strengthen the skin barrier~1.5–2.2%
Coconut alkanesKey active· EmollientEffect: MediumAn emollient that helps soften the skin~23–34%
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.~6.2–9.3%
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~4.9–7.3%
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~3.9–5.9%
Ethylhexyl palmitateKey active· EmollientEffect: MediumAn emollient that helps soften the skin and create a nice product texture~2.8–4.3%
Coco-caprylate/caprateKey active· EmollientEffect: MediumHelps to soften the upper layer of the skin without creating a greasy texture~1.8–2.7%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.4–1%
TrihydroxystearinKey activeEffect: MediumHelps soften the upper layer of the skin and improve the product texture~0.35–0.8%

Can it cause trouble?

Irritancy
4 flagged ingredients
Low risk
We flag 4 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Coconut alkanesAn emollient that helps soften the skinMedium~23–34%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~6.2–9.3%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~4.9–7.3%est.
BhtA preservativeMedium~0.05–0.3%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
Cocos nucifera oilAn emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic3/5~3.9–5.9%est.
Ethylhexyl palmitateAn emollient that helps soften the skin and create a nice product texture3/5~2.8–4.3%est.
Coconut alkanesAn emollient that helps soften the skin2/5~23–34%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Coconut alkanes~23–34%
Key activeComedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Moisturizing

An emollient that helps soften the skin

More about Coconut alkanes
Simmondsia chinensis seed oil~6.2–9.3%
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
Caprylic/capric triglyceride~4.9–7.3%
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
Cocos nucifera oil~3.9–5.9%
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
Ethylhexyl palmitate~2.8–4.3%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

An emollient that helps soften the skin and create a nice product texture

More about Ethylhexyl palmitate
Ethylene/propylene/styrene copolymer~1.8–2.7%
Formula
Irritation risk
Low

Used to create a thicker product consistency

More about Ethylene/propylene/styrene copolymer
Coco-caprylate/caprate~1.8–2.7%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin without creating a greasy texture

More about Coco-caprylate/caprate
Isosorbide dicaprylate~1.5–2.2%
Hero · Moisturizing
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin. Early studies suggest that it can help strengthen the skin barrier

More about Isosorbide dicaprylate
Polyurethane-79~0.9–1.35%
Formula
Irritation risk
Low
More about Polyurethane-79
Sodium hyaluronate~0.4–1%
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
Trihydroxystearin~0.35–0.8%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and improve the product texture

More about Trihydroxystearin
Glucomannan~0.15–0.55%
Formula
Irritation risk
Low
More about Glucomannan
Butylene/ethylene/propylene copolymer~0.15–0.55%
Formula
Irritation risk
Low
More about Butylene/ethylene/propylene copolymer
Bht~0.05–0.3%
Irritant · medium
Irritation risk
Medium

A preservative

More about Bht
Ingredient list view

Coconut alkanes, Simmondsia chinensis seed oil, Caprylic/capric triglyceride, Cocos nucifera oil, Ethylhexyl palmitate, Ethylene/propylene/styrene copolymer, Coco-caprylate/caprate, Isosorbide dicaprylate, Polyurethane-79, Sodium hyaluronate, Trihydroxystearin, Glucomannan, Butylene/ethylene/propylene copolymer, Bht

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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
RoC SkincareHydration+ Serum CapsulesYOUR PRODUCTLancer SkincareLegacy Youth TreatmentMara BeautyChlorella + Reishi Sea Vitamin C SerumINNBEAUTY PROJECTPro C Serum
Match—43%40%40%
Price$32.99—$52.00+$19.01$64.00+$31.01
Shared key ingredients—3 of 53 of 52 of 5
Key difference—Heptapeptide-15 PalmitateTetrahexyldecyl AscorbateNiacinamide
Irritancy Low Medium High Medium
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 4 studies and safety reviews.

  1. 1
    Safety Assessment of Alkyl Esters as Used in Cosmeticscir-safety.org
  2. 2
    Improvement of hydration and epidermal barrier function in human skin by a novel compound isosorbide dicaprylatepubmed.ncbi.nlm.nih.gov
  3. 3
    Hyaluronic acid: A key molecule in skin agingncbi.nlm.nih.gov
  4. 4
    Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin careresearchgate.net
RoC Skincare Hydration+ Serum Capsules
RoC SkincareHydration+ Serum Capsules
Buy at RoC Skincare$32.99Amazon

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

Buy at RoC Skincare$32.99Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.