It has ingredients that are good for fighting acne, dry skin, brightening skin, reducing pores, scar healing and dark spots

Free From

It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates

Fun facts

Circadia is from United States. This product is used in 1 routines created by our community.

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

Ingredient List (12)

Water, Propanediol, Mandelic Acid, Butylene Glycol, Tranexamic Acid, Sodium PCA, Glycerin, Methylglucoside Phosphate, Azelaic Acid, Magnesium Carboxymethyl Beta-Glucan, Hydroxyethylcellulose, Phenoxyethanol

You should know

Here's our breakdown of the notable ingredients, benefits, and concerns we determined from the ingredients in this product. Click any item to learn more.

Notable Ingredients

AHA

Benefits

Hydrating

Redness Reducing

Reduces Large Pores (2)

Dark Spots (2)

Scar Healing

Acne Fighting

Brightening (2)

Concerns

Irritating

Rosacea

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

Ingredients Overview

Here's our quick-to-read summary of the ingredients in this product. Keep scrolling if you'd like to learn more about what each ingredient does!

Ingredient

Com. / Irr. Rating

Features

Skin Conditioning, Solvent

Solvent

Antimicrobial

Humectant, Masking, Skin Conditioning, Solvent

1 / 0

Astringent, Skin Conditioning

Humectant, Skin Conditioning

0 / 0

Humectant, Skin Conditioning, Skin Protecting, Solvent

0 / 0

Skin Conditioning

Buffering, Masking

Skin Conditioning

Emulsion Stabilising, Stabilising

Preservative

Ingredients Explained

This product contains 12 ingredients. Click on any ingredient to learn more about it

Water

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

Propanediol

What it does: Solvent

Community Rating: Liked

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

Propanediol is not likely to cause sensitivity and considered safe to use.

It is derived from corn or petroleum with a clear color and no scent.

Learn more about Propanediol

Mandelic Acid

What it does: Antimicrobial

Community Rating: Liked

Mandelic Acid helps exfoliate skin. It also contains antioxidant properties.

As an AHA, Mandelic Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and look more even.

Mandelic Acid may be an alternative to Glycolic Acid for those with sensitive skin.

Mandelic Acid may help reduce wrinkles, acne, and hyperpigmentation.

Read more about some other popular AHA's here:

Learn more about Mandelic Acid

Butylene Glycol

What it does: Humectant, Masking, Skin Conditioning, Solvent

Community Rating: 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.

Tranexamic Acid

What it does: Astringent, Skin Conditioning

Community Rating: Loved

Tranexamic Acid is best used for treating hyperpigmentation, discoloration, and melasma. It can also help build a stronger skin barrier.

Once applied, Tranexamic Acid starts decreasing inflammation from UV exposure. Tranexamic Acid also prevents our skin cells from meeting the pigment production cells.

Fun fact: Tranexamic Acid is also a medication used to reduce heavy bleeding.

This acid is derived from lysine, an amino acid.

Learn more about Tranexamic Acid

Sodium PCA

What it does: Humectant, Skin Conditioning

Community Rating: Loved

Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.

The PCA stands for pyrrolidone carboxylic acid, a natural amino acid derivative.

Sodium PCA is a has conditioning, anti-inflammatory, and humectant properties. Humectants help hydrate your skin by drawing moisture from the air. This helps keep your skin moisturized.

Learn more about Sodium PCA

Glycerin

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

Methylglucoside Phosphate

What it does: Skin Conditioning

We don't have a description for Methylglucoside Phosphate.

Azelaic Acid

What it does: Buffering, Masking

Community Rating: Loved

Azelaic acid is a naturally occurring acid that is derived from grains. However, the lab-created form is typically used within cosmetic products as it has better shelf-stability.

It has been shown to be effective in the treatment of acne, rosacea, and other skin conditions. Azelaic acid helps reduce the growth of bacteria that cause acne and helps to reduce inflammation.

It also helps to improve the appearance of skin by reducing the production of sebum and unclogging pores.

Azelaic Acid also has antioxidant properties. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

One of the main benefits of azelaic acid is that it is gentle and well-tolerated by most people. It is also non-comedogenic, meaning that it will not clog pores.

Learn more about Azelaic Acid

Magnesium Carboxymethyl Beta-Glucan

What it does: Skin Conditioning

We don't have a description for Magnesium Carboxymethyl Beta-Glucan.

Hydroxyethylcellulose

What it does: Emulsion Stabilising, Stabilising

Community Rating: Mixed

Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.

Hydroxyethylcellulose helps stabilize products by preventing ingredients from separating. It can also help thicken the texture of a product.

This ingredient can also be found in pill medicines to help our bodies digest other ingredients.

Learn more about Hydroxyethylcellulose

Phenoxyethanol

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.

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