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

Retinoid

Hyaluronic Acid

Benefits

Hydrating

Anti-Aging

Acne Fighting

Brightening (2)

Concerns

Drying

May Worsen Oily Skin (2)

Irritating (2)

Rosacea (2)

Eczema (2)

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

Perfuming, Preservative, Solvent

Antioxidant, Masking

Emulsion Stabilising, Gel Forming

1 / 0

Humectant, Skin Conditioning, Skin Protecting, Solvent

0 / 0

Preservative

0 / 0

Emollient, Skin Protecting, Solvent

0-2 / 0

Emulsifying

0-1 / 0

Skin Conditioning, Solvent

Humectant, Skin Conditioning

0 / 0

Moisturising, Skin Conditioning

Buffering, Emulsifying, Masking

2 / 0

Ingredients Explained

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

Tretinoin 0.05%

What it does:

Community Rating: Loved

Tretinoin is a form of Vitamin A. It is stronger than retinol and only available with a prescription in many countries.

Research on tretinoin has found it to be effective in anti-aging the skin. It helps improve damage from the sun, even the skin tone, and smooth out wrinkles.

Tretinoin has also been found to be an effective acne treatment by reducing sebum production in pores.

Tretinoin, like other forms of Vitamin A, increases the turnover cycle of skin cells. This helps the skin create newer and healthier skin cells faster. Due to its strength, it can cause irritation, redness, and dry skin. Those with sensitive skin should consult a professional about using tretinoin.

Using retinoids will increase sun-sensitivity in the first few weeks of use. Though studies show retinoids increase your skin's natural SPF with continuous use, it is best to always wear sunscreen and sun-protection.

Read about Retinol

Learn more about Tretinoin

Benzyl Alcohol

What it does: Perfuming, Preservative, Solvent

Community Rating: Very Disliked

Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.

Benzyl Alcohol has both antibacterial and antioxidant properties. These properties help lengthen the shelf life of products. Benzyl Alcohol is a solvent and helps dissolve other ingredients. It can also improve the texture and spreadability.

Alcohol comes in many different forms. Different types of alcohol will have different effects on skin. This ingredient is an astringent alcohol.

Using high concentrations of these alcohols are drying on the skin. They may strip away your skin's natural oils and even damage your skin barrier. Astringent alcohols may also irritate skin.

Other types of astringent alcohols include:

According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients.

Any type of sanitizing product will have high amounts of alcohol to help kill bacteria and viruses.

Learn more about Benzyl Alcohol

BHT

What it does: Antioxidant, Masking

Community Rating: Very Disliked

BHT is a synthetic antioxidant. As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.

BHT also helps stabilize products and prevent them from degrading. Many products are sensitive to air and light. BHT prevents them from breaking down when exposed.

Carbomer

What it does: Emulsion Stabilising, Gel Forming

Community Rating: Disliked

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

Carbomer is commonly found in many types of cosmetics products. It is found to be safe in concentrations up to 15%. However, a high amount of carbomer can cause pilling or balling up of products. Most products contain 1% of less of carbomer.

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

Methylparaben

What it does: Preservative

Community Rating: Very Disliked

Methylparaben is a preservative and is a paraben. It is used to prevent the growth of fungus, mold, and other harmful bacteria. Parabens are chemicals used as preservatives in both cosmetics and food.

Methylparaben can be synthetically created. It can also be found naturally in some fruits, such as blueberries.

Oftentimes, Methylparaben is combined with other parabens to help increase the shelf life.

The safety of Methylparaben is currently being studied. While ongoing studies are looking into the safety of parabens, the results have been very mixed. Some studies have not found Methylparaben to be harmful.

Learn more about Methylparaben

Paraffinum Liquidum

What it does: Emollient, Skin Protecting, Solvent

Community Rating: Very Disliked

Paraffinum Liquidum is also known as liquid paraffin. It is a type of highly refined mineral oil.

Like other oils, Paraffinum Liquidum has emollient properties. Emollients help soothe and soften the skin. By creating a barrier to trap moisture within, emollients help keep your skin hydrated.

Paraffinum Liquidum does not irritate the skin and is non-comedogenic. However, this ingredient may not work well for those with oily skin or fungal acne.

If you have concerns about using this ingredient in your routine, we recommend speaking with a professional.

Learn more about Paraffinum Liquidum

Octoxynol-9

What it does: Emulsifying

Octoxynol-9 are part of a group called ethoxylated alkyl phenols. Octoxynols are usually found in hair-coloring products.

As an emulsifier, it helps keep other ingredients together.

The 9 stands for the average number of ethylene oxide units used to create this ingredient.

Learn more about Octoxynol-9

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

Sodium Hyaluronate

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

Collagen

What it does: Moisturising, Skin Conditioning

Community Rating: Loved

Collagen is the most abundant type of structural protein found in your body. In your skin, it is responsible for keeping it firm and youthful.

Your body uses collagen for a variety of tasks. These tasks include repairing and maintaning tissues, helping cells communicate, and helping your body’s immune system respond to attacks.

Collagen is comprised mostly of glycine, proline, and hydroxypoline. These are amino acids.

Collagen can be used in the morning or night. It will not increase sun sensitivity, but you should always wear sunscreen during the day.

Learn more about Collagen

Triethanolamine

What it does: Buffering, Emulsifying, Masking

Community Rating: Very Disliked

Triethanolamine is an emulsifier and pH adjuster. It is created using ethylene oxide and ammonia. This gives Triethanolamine a nitrogen core and a similar scent to ammonia.

As an emulsifier, it prevents ingredients from separating and enhances texture by adding volume to a product.

PH adjusters are common in cosmetic products. The pH of a product can affect the effectiveness of other ingredients. A product with a high pH may also irritate the skin.

Learn more about Triethanolamine

Embed Ingredients

Here's what our community thinks of the 12 ingredients in this product ✨

42% are loved or liked

0% have mixed ratings

50% are disliked or very disliked

8% have no rating yet

When to use

We've created a guide with info on when you should use Altreno Tretinoin 0.05%. We've also included some recommended products to use it with, as well as some routine inspiration!

Read our guide on when to use Tretinoin 0.05% ->

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The data we've presented on this page has been verified by a member of the SkinSort Team.