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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Le Mieux Collagen Peptide Serum versus Medik8 Liquid Peptides .

Published on December 16, 2023

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 5 ingredients in common

Cool Features

They both contain hyaluronic acid and peptides

Suited For

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing, dark spots and better texture

Free From

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates

What's Inside

They both contain fragrances

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.

Serum American Brand United States
Serum British Brand United Kingdom

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Price

Shop

Buy Collagen Peptide Serum

Shop

Buy Liquid Peptides

Starts at $62.00

Ingredient Info

Click any item below to learn more and view relevant ingredients.

Le Mieux Collagen Peptide Serum 37 ingredients

Medik8 Liquid Peptides 33 ingredients

alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free

At a glance

Click on any of the items below to learn more

Le Mieux Collagen Peptide Serum 37 ingredients

Medik8 Liquid Peptides 33 ingredients

Notable Ingredients

Retinoid
Ceramides (2)
Hyaluronic Acid
Peptides (6)

Benefits

Hydrating (4)
Good For Oily Skin
Redness Reducing (3)
Reduces Irritation (3)
Skin Texture (3)
Reduces Large Pores (2)
Anti-Aging (5)
Dark Spots
Scar Healing (2)
Acne Fighting (2)
Brightening

Concerns

Drying
May Worsen Oily Skin
Irritating (2)
Rosacea
Eczema

Notable Ingredients

AHA (2)
Hyaluronic Acid
Peptides (9)

Benefits

Hydrating
Reduces Irritation
Skin Texture (2)
Reduces Large Pores (2)
Anti-Aging
Dark Spots
Scar Healing (2)
Brightening (3)

Concerns

Irritating (2)
Rosacea (2)
Eczema
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Ingredients Compared

Ingredients that are highlighted in purple are present in both products.

Le Mieux Collagen Peptide Serum 37 ingredients

Medik8 Liquid Peptides 33 ingredients

Ingredients Side-by-side

Ingredients that are highlighted in purple are present in both products.

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Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

1
What it does: Skin Conditioning
Community Rating: Liked

Palmitoyl Tripeptide-1 is a 3-amino acid peptide. Peptides are building blocks for protein.

Palmitoyl Tripeptide-1 is a signal peptide. This means it tells our skin to create collagen. Collagen is a protein that makes connective tissue. Boosting collagen production leads to a healthier skin barrier. Having a healthy skin barrier means having firm and hydrated skin.

Palmitoyl Tripeptide-1 can help reduce wrinkles and make the skin look more youthful.

Read more about other common types of peptides here:

Learn more about Palmitoyl Tripeptide-1

Le Mieux Collagen Peptide Serum contains this as ingredient number 3.

Medik8 Liquid Peptides contains this as ingredient number 22.

2
What it does: Skin Conditioning
Community Rating: Loved

Palmitoyl Tetrapeptide-7 is a peptide. Peptides are building blocks for protein.

This ingredient consists of four amino acids and palmitic acid. These amino acids are arginine, proline, glutamine, and glycine.

This ingredient has many benefits. These benefits include boosting collagen production, fighting inflammation, and reversing UV damage.

By preventing our bodies from producing interleukins, Palmitoyl Tetrapeptide-7 helps fight inflammation. An interleukin is a chemical that signals to the body to produce an inflammatory response. Interleukin production is accelerated by UV radiation.

Palmitoyl Tetrapeptide-7 tells our body to create more collagen. Collagen is a protein that makes connective tissue. Boosting collagen production leads to a healthier skin barrier. Having a healthy skin barrier means having firm and hydrated skin.

Read more about other common types of peptides here:

Learn more about Palmitoyl Tetrapeptide-7

Le Mieux Collagen Peptide Serum contains this as ingredient number 4.

Medik8 Liquid Peptides contains this as ingredient number 25.

3
What it does: Skin Conditioning
Community Rating: Liked

Palmitoyl Tripeptide-5 isn't fungal acne safe and is a peptide.

Le Mieux Collagen Peptide Serum contains this as ingredient number 6.

Medik8 Liquid Peptides contains this as ingredient number 17.

4
What it does: Emollient, Humectant, Skin Conditioning
Community Rating: Liked

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.

Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.

This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.

Learn more about Caprylyl Glycol

Le Mieux Collagen Peptide Serum contains this as ingredient number 34.

Medik8 Liquid Peptides contains this as ingredient number 11.

5
What it does: Skin Conditioning
Community Rating: Mixed

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.

Le Mieux Collagen Peptide Serum contains this as ingredient number 35.

Medik8 Liquid Peptides contains this as ingredient number 15.

Here's what our community thinks of the ingredients in these two products.

Le Mieux Collagen Peptide Serum 37 ingredients

Medik8 Liquid Peptides 33 ingredients

46% are loved or liked
24% have mixed ratings
8% are disliked or very disliked
22% have no rating yet
58% are loved or liked
9% have mixed ratings
30% are disliked or very disliked
3% have no rating yet

Usage

Here's some more info on how this product is used by our community.

When to use

Le Mieux Collagen Peptide Serum 37 ingredients

Medik8 Liquid Peptides 33 ingredients

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Reviews

Here's what our community thinks

Le Mieux Collagen Peptide Serum 37 ingredients

Collagen Peptide Serum hasn't been rated yet.
Rate it now

Medik8 Liquid Peptides 33 ingredients

5.0 /5
from 3 ratings
Julietteanne6464's avatar

Julietteanne6464

9 months ago · Normal Skin
Review

It’s water based and firms my skin. My skin loves it. I also like Bare Minerals Herb Serum as it has niacinamide and my skin loves that too. Medik8...

It’s water based and firms my skin. My skin loves it. I also like Bare Minerals Herb Serum as it has niacinamide and my skin loves that too. Medik8 Crystal Retinal 3 and 6 also. Elemis pro rad cream wash and dynamic resurf and kefir mist

Alternatives

We haven't detected any alternatives for Le Mieux Collagen Peptide Serum.

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