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René Furterer Absolue Keratine Ultimate Repair Serum

René Furterer Absolue Keratine Ultimate Repair Serum Ingredients Explained

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Published March 26, 2023

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Overview

What it is

Serum with 13 ingredients that contains Vitamin E

Cool Features

It is cruelty-free and reef safe

Suited For

It has ingredients that are good for dry skin and brightening skin

Free From

It doesn't contain any harsh alcohols, parabens, silicones or sulfates

Fun facts

René Furterer is from France.

We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.

Quick info

Free from

Safety & Ethics

French Brand

Brand country of origin

Ingredients, at a glance

What's in this product, and how it might affect your skin.

Notable Ingredients

Benefits

Ingredients List

Dive into the full list of ingredients.

C9-12 Alkane Solvent

C9-12 Alkane is synethically created using alkanes, or paraffins. It is added to products as a solvent. This means its main purpose is to help dissolve ingredients and create even texture.

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Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
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2 Benefits
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Coco-Caprylate Emollient
Not safe for Fungal Acne Icon

Coco-Caprylate is created from fatty coconut alcohol and caprylic acid.

Very disliked
Not safe for Fungal AcneNot safe for Fungal Acne Icon
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Camelina Sativa Seed Oil Skin Conditioning
Oil IconNot safe for Fungal Acne Icon

Camelina Sativa Seed Oil is an oil and isn't fungal acne safe.

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OilOil IconNot safe for Fungal AcneNot safe for Fungal Acne Icon
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Alpha-Isomethyl Ionone Perfuming, Skin Conditioning
Fragrance IconEU Allergen Icon

Alpha-Isomethyl Ionone is a fragrance. It can be synthetically created or naturally occurring.

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FragranceFragrance IconEU AllergenEU Allergen Icon
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Arginine Hcl Skin Conditioning

We don't have a description for Arginine Hcl yet.

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Butylene Glycol Humectant, Masking, Skin Conditioning
1 / 0

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

1 Com. / 0 Irr.
Mixed reviews
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Coumarin Perfuming
Fragrance IconEU Allergen Icon

Coumarins are a group of substances found naturally in plants. There are over 1300 types of coumarins identified. It has a natural vanilla scent.

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FragranceFragrance IconEU AllergenEU Allergen Icon
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Glycine Soja Seedcake Extract Skin Protecting

We don't have a description for Glycine Soja Seedcake Extract yet.

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Limonene Perfuming, Solvent
Fragrance Icon

Limonene is a fragrance that adds scent and taste to a formulation.

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FragranceFragrance Icon
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Lysine Hcl Skin Conditioning
Helps hydrate Dry Skin Icon

Lysine HCl is an alpha amino acid salt.

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Helps hydrate Dry SkinHelps hydrate Dry Skin Icon
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Sodium Dilauramidoglutamide Lysine Humectant

We don't have a description for Sodium Dilauramidoglutamide Lysine yet.

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Tocopherol Antioxidant, Masking, Skin Conditioning
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

0-3 Com. / 0-3 Irr.
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Vitamin EVitamin E IconAntioxidantAntioxidant Icon4 BenefitsMay cause irritationMay cause irritation Icon
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What the community thinks

Based on the number of likes and dislikes each ingredient has received.

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Ingredients Explained

This product contains 13 ingredients. Click on any ingredient to learn more about it
Solvent

C9-12 Alkane is synethically created using alkanes, or paraffins. It is added to products as a solvent. This means its main purpose is to help dissolve ingredients and create even texture.

Humectant, Skin Conditioning, Skin Protecting
Loved

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin
Emollient
Very Disliked

Coco-Caprylate is created from fatty coconut alcohol and caprylic acid.

It is a lightweight emollient. Emollients create a thin barrier on the skin to trap moisture in. This helps keep your skin hydrated and soft.

Once applied, Coco-Caprylate is absorbed quickly and leaves a silky feel. It may help solubilize other ingredients, or help other ingredients be dispersed evenly.

Coco-Caprylate may not be fungal acne safe.

Learn more about Coco-Caprylate
Skin Conditioning
Disliked

Camelina Sativa Seed Oil is an oil and isn't fungal acne safe.

Perfuming, Skin Conditioning

Alpha-Isomethyl Ionone is a fragrance. It can be synthetically created or naturally occurring.

The scent of Alpha-Isomethyl Ionone is described as "flowery" but can also be "woody".

Naturally occurring Alpha-Isomethyl Ionone may be found in Saccharomyces cerevisiae, or the yeast used to make wine and bread.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

Learn more about Alpha-Isomethyl Ionone
Skin Conditioning
Liked

We don't have a description for Arginine Hcl yet.

Humectant, Masking, Skin Conditioning
Mixed

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

  • It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
  • It is a humectant, which means that it helps attract moisture into the skin.
  • It helps improve product application.

Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.

Perfuming
Very Disliked

Coumarins are a group of substances found naturally in plants. There are over 1300 types of coumarins identified. It has a natural vanilla scent.

Coumarin is an identified EU known allergy, meaning it may cause an allergic reaction when applied to the skin.

In many countries, coumarin is banned as a food additive. However, it can be found in soaps, tobacco products, and some alcohol drinks.

Plants use coumarins as a chemical defense. Some plants that have coumarins include lavender, tonka beans, and yellow clovers.

Learn more about Coumarin

We don't have a description for Glycine Soja Seedcake Extract yet.

Perfuming, Solvent
Very Disliked

Limonene is a fragrance that adds scent and taste to a formulation.

It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus".

Limonene acts as an antioxidant, meaning it helps neutralize free radicals.

When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

Learn more about Limonene
Skin Conditioning
Loved

Lysine HCl is an alpha amino acid salt.

Our skin uses amino acids as a precursor for building protein, and therefore keratins, collagen and elastin.

We don't have a description for Sodium Dilauramidoglutamide Lysine yet.

Antioxidant, Masking, Skin Conditioning
Liked

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.

Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.

You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.

There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.

Learn more about Tocopherol

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