Explore Routine Login

Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Medik8 Crystal Retinal 3 versus Paula's Choice 1% Retinol Treatment US .

Last updated on March 20, 2024. Published on May 04, 2022

Overview

What they are

These products are both vegan and cruelty-free . They have a total of 9 ingredients in common

Cool Features

They both contain exfoliants, hyaluronic acid, retinoid, Vitamin C and Vitamin E

Suited For

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

Free From

They both do not contain any harsh alcohols, parabens or sulfates

What's Inside

They both contain oils

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

Serum British Brand United Kingdom
Facial Treatment American Brand United States

Serum

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

Facial Treatment

Facial treatments are specially designed to treat a skin concern. Acne treatments and anti-aging products are common examples of facial treatments.

Price

Shop

Buy Crystal Retinal 3

Shop

Buy 1% Retinol Treatment

Starts at $64.00

Ingredient Info

Click any item below to learn more and view relevant 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

Notable Ingredients

Retinoid
Vitamin C (2)
Vitamin E
Exfoliators
Hyaluronic Acid

Benefits

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

Concerns

Drying
May Worsen Oily Skin
Acne Trigger (2)
Irritating
Rosacea

Notable Ingredients

Retinoid
Vitamin C
Vitamin E
Exfoliators
Ceramides
Hyaluronic Acid
Peptides (4)

Benefits

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

Concerns

Drying
Irritating
Eczema (2)
Join our community

Build your routine, track which ingredients work for you, and much more with your free account.

Join SkinSort

Ingredients Compared

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

Ingredients Side-by-side

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

Learn more about what what Com. / Irr. ratings are

Loading ingredients...

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, Solvent
Community Rating: Loved

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

Medik8 Crystal Retinal 3 contains this as ingredient number 1.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 1.

2
What it does: Humectant, Skin Conditioning, Skin Protecting, Solvent
Community Rating: 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

Medik8 Crystal Retinal 3 contains this as ingredient number 3.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 3.

3
What it does: Antioxidant, Skin Conditioning
Community Rating: Liked

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.

Tocopheryl Acetate is commonly found in both skincare and dietary supplements.

Learn more about Tocopheryl Acetate

Medik8 Crystal Retinal 3 contains this as ingredient number 10.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 30.

4
What it does: Humectant, Skin Conditioning
Community Rating: Loved

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate

Medik8 Crystal Retinal 3 contains this as ingredient number 12.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 21.

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.

Medik8 Crystal Retinal 3 contains this as ingredient number 17.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 40.

6
What it does: Skin Conditioning, Solvent
Community Rating: Mixed

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.

This property also makes Pentylene Glycol a great texture enhancer. It can help thicken or emulsify a product. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.

Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.

Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.

Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.

Learn more about Pentylene Glycol

Medik8 Crystal Retinal 3 contains this as ingredient number 18.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 41.

7
What it does:
Community Rating: Disliked

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.

Disodium EDTA is a salt of edetic acid and is found to be safe in cosmetic ingredients.

Learn more about Disodium EDTA

Medik8 Crystal Retinal 3 contains this as ingredient number 27.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 34.

8
What it does: Preservative
Community Rating: Very Disliked

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

Medik8 Crystal Retinal 3 contains this as ingredient number 30.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 52.

9
What it does: Emollient, Emulsifying, Skin Conditioning
Community Rating: Disliked

Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.

Lecithin is an emollient. Emollients help soften the skin and creates a barrier to keep moisture in.

As an emulsifier, it also helps prevent water and oil ingredients from separating. Lecithin can help ingredients be better absorbed by the skin. The phospholipids in Lecithin can produce liposomes. Liposomes help other ingredients get through the skin barrier.

Learn more about Lecithin

Medik8 Crystal Retinal 3 contains this as ingredient number 34.

Paula's Choice 1% Retinol Treatment US contains this as ingredient number 28.

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

33% are loved or liked
15% have mixed ratings
38% are disliked or very disliked
13% have no rating yet
32% are loved or liked
15% have mixed ratings
40% are disliked or very disliked
13% have no rating yet

Usage

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

When to use

Loading routine usage...
Loading routine usage...

Reviews

Here's what our community thinks

Medik8 Crystal Retinal 3 39 ingredients

5.0 /5
from 2 ratings

Paula's Choice 1% Retinol Treatment 53 ingredients

4.5 /5
from 4 ratings
glasscasita's avatar

glasscasita

6 months ago · Combination Skin
Review

Love it
My favorite retinol. Been using it for a year and never had any bad reactions (be sure to follow instructions like starting slow). It's a...

Love it
My favorite retinol. Been using it for a year and never had any bad reactions (be sure to follow instructions like starting slow). It's a bit pricey but worth it

Alternatives

Our Dupe Finder has found 6 potential alternatives that have similar ingredients to Medik8 Crystal Retinal 3.

See 6 alternatives

Our Dupe Finder has found 4 potential alternatives that have similar ingredients to Paula's Choice 1% Retinol Treatment US.

See 4 alternatives
Loading similar comparisons...