Based on the ingredient list, "La Roche-Posay - Effaclar H Iso-Biome Moisturising Cream for Sensitive, Blemish Prone Skin" can work well for skin moisturization. The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Glycerin 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). Myristyl myristate, squalane, caprylyl glycol, palmitic acid and stearic acid 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

We love that this moisturizer contains a good concentration of niacinamide 2.30% - 2.80%. Niacinamide is a perfect active in a moistruizer because it helps calm down inflamation in skin and support the skin barrier. More than that, it is helpful for most common skin concerns: it helps regulat oil production, help reduce acne and clogged pores, improve skin tone and prevent pigmentation marks. It also helps fight photodamage.

Irritation risk

This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. 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 for 20.00£ in the United Kingdom.

For a detailed price comparison: click here.

Anti-aging

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

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.

Niacinamide2.3% - 2.8%

Irritation risk:Concentration:Effectiveness:HIGH

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

Anti-blemish

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

Niacinamide2.3% - 2.8%

Irritation risk:Concentration:Effectiveness:HIGH

Evens skin tone

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

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.

Niacinamide2.3% - 2.8%

Irritation risk:Concentration:Effectiveness:HIGH

Moisturizing

What does the product description say?

Effaclar H Iso-Biome Moisturising Cream for Sensitive, Blemish Prone Skin

Source: 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: glycerin, caprylyl glycol.

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: myristyl myristate, squalane.

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

2-oleamido-1,3-octadecanediol0.45% - 0.65%

Irritation risk:Concentration:Effectiveness:HIGH

Helps soften the upper layer of the skin and slow down the water loss over time

Glycerin5.5% - 6.7%

Irritation risk:Concentration:Effectiveness:HIGH

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

Myristyl myristate2% - 2.4%

Irritation risk:Comedogenicity:HighConcentration:Effectiveness:HIGH

An emollient. Is not recommended for acne-prone skin as it can be comedogenic

Niacinamide2.3% - 2.8%

Irritation risk:Concentration:Effectiveness:HIGH

Squalane4.8% - 5.9%

Irritation risk:Concentration:Effectiveness:HIGH

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.

Glyceryl stearate se0.7% - 1%

Irritation risk:Comedogenicity:MediumConcentration:Effectiveness:MEDIUM

Used to stabilize the product formulations and works as an emollient

Capryloyl glycine0.35% - 0.6%

Irritation risk:Concentration:Effectiveness:MEDIUM

Helps oil and water mix together, preserve cosmetic products, and attract water to the upper layer of the skin

Stearic acid1.3% - 1.6%

Irritation risk:Concentration:Effectiveness:LOW

Helps oil and water mix together and works as an emollient

Caprylyl glycol0.25% - 0.5%

Irritation risk:Concentration:Effectiveness:LOW

Helps preserve products and creates a nice product texture

Palmitic acid0.45% - 0.7%

Irritation risk:Concentration:Effectiveness:LOW

An emollient that is naturally present in skin and helps soften it

Key Actives

Niacinamide2.3% - 2.8%

Irritation risk:

Works for:Anti-blemish, Moisturizing, Anti-aging, Evens skin tone, Reduces irritation, Reduces redness, Antibacterial, Anti-inflammatory

Glycerin5.5% - 6.7%

Irritation risk:

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

Squalane4.8% - 5.9%

Irritation risk:

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.

Myristyl myristate2% - 2.4%

Irritation risk:Comedogenicity:High

Works for:Moisturizing

An emollient. Is not recommended for acne-prone skin as it can be comedogenic

2-oleamido-1,3-octadecanediol0.45% - 0.65%

Irritation risk:

Works for:Moisturizing

Helps soften the upper layer of the skin and slow down the water loss over time

Potential irritants

Parfum0.1% - 0.15%

Irritation risk:

An aromatic blend of unspecified and possibly irritating ingredients

Zea mays starch2.7% - 3.3%

Irritation risk:Comedogenicity:High

Used to thicken the product's consistency

Myristyl myristate2% - 2.4%

Irritation risk:Comedogenicity:High

An emollient. Is not recommended for acne-prone skin as it can be comedogenic

Potassium cetyl phosphate0.8% - 1.2%

Irritation risk:

Helps oil and water mix together

Myristic acid0.5% - 0.75%

Irritation risk:Comedogenicity:High

Helps oil and water mix together. Could be comedogenic

Hydroxyacetophenone0.3% - 0.55%

Irritation risk:

Used to increase effectiveness of preservatives

Caprylyl glycol0.25% - 0.5%

Irritation risk:

Helps preserve products and creates a nice product texture

Citric acid0.15% - 0.3%

Irritation risk:

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

Comedogenic ingredients

Zea mays starch2.7% - 3.3%

Irritation risk:Comedogenicity:High

Used to thicken the product's consistency

Myristyl myristate2% - 2.4%

Irritation risk:Comedogenicity:High

An emollient. Is not recommended for acne-prone skin as it can be comedogenic

Glyceryl stearate se0.7% - 1%

Irritation risk:Comedogenicity:Medium

Used to stabilize the product formulations and works as an emollient

Myristic acid0.5% - 0.75%

Irritation risk:Comedogenicity:High

Helps oil and water mix together. Could be comedogenic

All ingredients

Water45% - 55%

Irritation risk:

Plain old water

Glycerin5.5% - 6.7%

Irritation risk:

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

Squalane4.8% - 5.9%

Irritation risk:

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.

Dimethiconol panthenol3.4% - 4.2%

Irritation risk:

Zea mays starch2.7% - 3.3%

Irritation risk:Comedogenicity:High

Used to thicken the product's consistency

Niacinamide2.3% - 2.8%

Irritation risk:

Ammonium polyacryloyldimethyl taurate2% - 2.5%

Irritation risk:

Used to create a thicker product consistency

Myristyl myristate2% - 2.4%

Irritation risk:Comedogenicity:High

An emollient. Is not recommended for acne-prone skin as it can be comedogenic

Bixa orellana seed extract1.6% - 1.9%

Irritation risk:

Stearic acid1.3% - 1.6%

Irritation risk:

Helps oil and water mix together and works as an emollient

Potassium cetyl phosphate0.8% - 1.2%

Irritation risk:

Helps oil and water mix together

Glyceryl stearate se0.7% - 1%

Irritation risk:Comedogenicity:Medium

Used to stabilize the product formulations and works as an emollient

Sodium hydroxide0.5% - 0.8%

Irritation risk:

Used to adjust the product's pH

Myristic acid0.5% - 0.75%

Irritation risk:Comedogenicity:High

Helps oil and water mix together. Could be comedogenic

2-oleamido-1,3-octadecanediol0.45% - 0.65%

Irritation risk:

Helps soften the upper layer of the skin and slow down the water loss over time

Palmitic acid0.45% - 0.7%

Irritation risk:

An emollient that is naturally present in skin and helps soften it

Hydroxyacetophenone0.3% - 0.55%

Irritation risk:

Used to increase effectiveness of preservatives

Capryloyl glycine0.35% - 0.6%

Irritation risk:

Helps oil and water mix together, preserve cosmetic products, and attract water to the upper layer of the skin

Caprylyl glycol0.25% - 0.5%

Irritation risk:

Helps preserve products and creates a nice product texture

Vitreoscilla ferment0.2% - 0.35%

Irritation risk:

Citric acid0.15% - 0.3%

Irritation risk:

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

Maltodextrin0.15% - 0.3%

Irritation risk:

Used to stabilize the product formulation and can help absorb oil

Xanthan gum0.15% - 0.25%

Irritation risk:

Used to create a thicker product consistency

Parfum0.1% - 0.15%

Irritation risk:

An aromatic blend of unspecified and possibly irritating ingredients

Unknown

Irritation risk:

The ingredient is not recognized

Ingredient list view

Water, Glycerin, Squalane, Dimethiconol panthenol, Zea mays starch, Niacinamide, Ammonium polyacryloyldimethyl taurate, Myristyl myristate, Bixa orellana seed extract, Stearic acid, Potassium cetyl phosphate, Glyceryl stearate se, Sodium hydroxide, Myristic acid, 2-oleamido-1,3-octadecanediol, Palmitic acid, Hydroxyacetophenone, Capryloyl glycine, Caprylyl glycol, Vitreoscilla ferment, Citric acid, Maltodextrin, Xanthan gum, Parfum, Unknown

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La Roche-Posay Effaclar H Iso-Biome Moisturising Cream for Sensitive, Blemish Prone Skin

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Key actives

Product Summary

Ingredient callouts

Irritation risk

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What can the product work for?

Works for

Anti-aging

Anti-blemish

Evens skin tone

Moisturizing

What does the product description say?

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Potential irritants

Comedogenic ingredients

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