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Product summary
Based on the ingredients included, "Klairs - Fundamental Nourishing Eye Butter" works well for moisturizing the skin. The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Humectants in this product (acetyl hexapeptide-8, betaine, glycerin, pantolactone and sodium hyaluronate) help to increase the water content in the upper layer of the skin. (These ingredients do so by "capturing" water molecules from the outside air or from within the deeper layers of the skin). Emollients in this formulation (helianthus annuus seed oil, cetearyl alcohol, glyceryl stearate, oleic acid and palmitic acid) help to reduce the moisture loss from the skin. They also soften the skin surface and relieve the feeling of dryness and tightness.
Ingredient callouts
We like that this moisturizer contains peptides (oligopeptide-32 0.10% - 0.45%, copper tripeptide-1 0.10% - 0.50% and acetyl hexapeptide-8 0.10% - 0.45%). There are many different kind of Peptides and they are naturally present in our skin. They all are a combination of aminoacids. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The science is still not settled on how effective Peptides are in skincare, but it is very likely that they have a benefit. Peptides might help restore the skin barrier and fight the signs of aging. At the very least, Peptides work as humectants: they attract water to the upper layer of the skin and improve its hydration.
Irritation risk
There are some common irritants in this product, including ingredients that do not have benefits for the skin. We assess the overall irritancy of this moisturizer to be high. 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.
About the brand
According to Cruelty-Free Kitty "Klairs" is cruelty free and so is its parent company.
Price
The product retails from 19.17£ up to 25.64£ in the United Kingdom, for 2499.99KSH in Kenya, from 31.20A$ up to 39.00A$ in Australia, from 21.00$ up to 24.70$ in the United States and for 40.30CA$ in Canada.
Enriched with a blend of peptides to improve skin elasticity Formulated with Vitamin A and E which provides anti-oxidant properties Protects the thin skin around the eyes without a greasy finish
This product contains acetyl hexapeptide-8, copper tripeptide-1, oligopeptide-32.
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.
A naturally occurring peptide. One of the most studied peptides in dermatology. It is sometimes abbreviated GHK-Cu. Belongs to the class of carrier peptides. It stimulates both synthesis and breakdown of collagen in skin. It is released in skin wounds and inflammation to support healing. It accelerates wound-healing of the skin and can stimulate hair growth. There are preliminary studies that confirm that copper tripeptide can help support collagen production reducing fine lines and wrinkles and decrease inflammation in skin.
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:
betaine, glycerin.
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:
helianthus annuus seed oil, cetearyl alcohol.
The following ingredients in this product are especially good for supporting the skin barrier and helping with
the hydration level: acetyl hexapeptide-8, copper tripeptide-1, oligopeptide-32
A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function
Helps attract water to the upper layer of the skin
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Anti-oxidation
This product contains antioxidants (camellia sinensis extract) that might be able to help
neutralize free radicals in skin to lessen the damage it gets from the UV light (sun).
There is not enough evidence to confirm their effectiveness in skin though.
A plant extract that is rich in a fragrance compound eugenol that is a frequent allergen and can be irritating. It might also contain anti-oxidants to help neutralize free radicals
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Honesty check
How honest is this product?
Promise
Can it deliver?
Moisturizing
Anti-aging
Total Promises Fulfilled score:
87/100.
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Learn more
US Retailers
$18.88
In stock
Size: 0.0440924524 pounds
[ Dear Klairs] Fundamental Nourishing Eye Butter
Price as of 1/26/2025 5:20 GMT.
More info
Soko Glam
$24.00
In stock
Fundamental Nourishing Eye Butter
$24.70
In stock
Fundamental Nourishing Eye Butter
UK Retailers
beauty and Seoul
£19.17
In stock
KLAIRS Fundamental Nourishing Eye Butter
£23.00
In stock
Size: 20 g
Fundamental Nourishing Eye Butter
£23.00
In stock
Size: 20 g
Fundamental Nourishing Eye Butter
£23.17
In stock
Size: 0.0440924524 pounds
Klairs Fundamental Nourishing Eye Butter
Price as of 1/27/2025 2:52 GMT.
More info
KE Retailers
Glowsecret
KSH 2,499.99
Out of stock
Size: 20 G
Klairs - FUNDAMENTAL NOURISHING EYE BUTTER
AU Retailers
A$30.59
In stock
Size: 0.0440924524 pounds
KLAIRS Fundamental Nourishing Eye Butter
Price as of 1/26/2025 23:1 GMT.
More info
Lila Beauty
A$34.50
In stock
Size: 20 g
Buy Klairs Fundamental Nourishing Eye Butter Australia - Korean Beauty Skincare
Works for:
Anti-oxidation,
Antibacterial,
Anti-aging,
Moisturizing,
Anti-blemish,
Evens skin tone
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function
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