Versus

Ouai Thick Hair Treatment Masque Versus Ouai Leave In Conditioner - Original

Hair Mask
Leave-in Conditioner
American Brand United States
American Brand United States

Updated on June 02, 2025

Overview

What they are

These products are both cruelty-free and reef safe . They have a total of 11 ingredients in common

Cool Features

They both contain Vitamin C and Vitamin E

Suited For

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

Free From

They both do not contain any parabens

What's Inside

They both contain common allergens, fragrances, oils and silicones

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

Ingredient Info

Click any item below to learn more and see relevant ingredients

What's inside

What's inside

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Thick Hair Treatment Masque

Water

Skin Conditioning

Cetyl Alcohol

Emollient
2 / 2 Fatty Alcohol Icon

Behentrimonium Chloride

Preservative
Preservative Icon

Cetearyl Alcohol

Emollient
2 / 1 Fatty Alcohol IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon

Butyrospermum Parkii Butter

Skin Conditioning
Helps hydrate Dry Skin IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon

Amodimethicone

Silicon Icon

Behentrimonium Methosulfate

Sulfate Icon

Hydrogenated Castor Oil/Sebacic Acid Copolymer

Emollient
Oil IconNot safe for Fungal Acne Icon

Stearamidopropyl Dimethylamine

Emulsifying

Cetyl Esters

Emollient
1 / 1 Not safe for Fungal Acne Icon

Quaternium-87

Cleansing

C18-38 Alkyl Hydroxystearoyl Stearate

Emollient

Olea Europaea Fruit Oil

Masking
0-2 / 0 Fragrance IconOil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon

Propylene Glycol Dibenzoate

Skin Conditioning

Prunus Amygdalus Dulcis Oil

Skin Conditioning
3 / 0 Oil IconHelps hydrate Dry Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon

Macadamia Ternifolia Seed Oil

Emollient
Oil IconNot safe for Fungal Acne Icon

Keratin

Skin Conditioning

Hydrolyzed Keratin

Humectant
Helps hydrate Dry Skin Icon

Hydrolyzed Pea Protein

Emollient

Hydrolyzed Adansonia Digitata Seed Extract

Shorea Stenoptera Seed Butter

Emollient
Not safe for Fungal Acne Icon

Tocopherol

Antioxidant
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing Icon

C10-40 Isoalkylamidopropylethyldimonium Ethosulfate

Sulfate Icon

Ascorbyl Palmitate

Antioxidant
2 / 0 Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconNot safe for Fungal Acne Icon

Caprylyl Glycol

Emollient

BHT

Antioxidant
Antioxidant Icon

Trideceth-3

Emulsifying

Trideceth-15

Emulsifying

Acetic Acid

Buffering

Dimethicone

Emollient
1 / 0 Silicon Icon

Laureth-23

Cleansing
3 / 0

Laureth-4

Emulsifying
5 / 4 May worsen Oily Skin Icon

Salicylic Acid

Masking
BHA IconPreservative IconGood for Oily Skin IconGood for Minimizing Pores IconHelps fight Acne IconHelps brighten skin IconCan worsen Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Divinyldimethicone/Dimethicone Copolymer

C12-13 Pareth-23

Cleansing

C12-13 Pareth-3

Emulsifying

Sodium Hydroxide

Buffering

Hydroxyethylcellulose

Emulsion Stabilising

Disodium Phosphate

Buffering

Sodium Phosphate

Buffering

Polysorbate 60

Emulsifying
Not safe for Fungal Acne Icon

Guar Hydroxypropyltrimonium Chloride

Skin Conditioning

Citric Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay worsen Rosacea Icon

Disodium EDTA

Cetrimonium Chloride

Antimicrobial
Preservative Icon

Sodium Chloride

Masking
Can worsen Dry Skin IconBad for Acne Prone Skin IconMay worsen Rosacea Icon

Isopropyl Alcohol

Solvent
0 / 0 Alcohol IconCan worsen Dry Skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon

Potassium Sorbate

Preservative
Preservative Icon

Benzyl Alcohol

Perfuming
Alcohol IconFragrance IconPreservative IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Sodium Benzoate

Masking
Preservative Icon

Phenoxyethanol

Preservative
Preservative Icon

Parfum

Masking
Fragrance IconMay worsen Eczema IconMay worsen Rosacea Icon

Linalool

Perfuming
Fragrance IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Citronellol

Perfuming
Fragrance IconMay cause irritation IconEU Allergen Icon
Leave In Conditioner

Water

Skin Conditioning

Cyclopentasiloxane

Emollient
Silicon Icon

Cetearyl Alcohol

Emollient
2 / 1 Fatty Alcohol IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon

Quaternium-91

Parfum

Masking
Fragrance IconMay worsen Eczema IconMay worsen Rosacea Icon

Ingredients Explained

These ingredients are found in both products.

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

This ingredient is a preservative and often used for it's anti-static properties. You'll most likely see this ingredient in hair conditioners.

It does not cause irritation or sensitization in leave-on products at 1-5%.

Emollient, Emulsifying, Emulsion Stabilising

Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.

Cetearyl alcohol is an emollient. Emollients help soothe and hydrate the skin by trapping moisture.

Studies show Cetearyl alcohol is non-toxic and non-irritating. The FDA allows products labeled "alcohol-free" to have fatty alcohols.

This ingredient is usually derived from plant oils such as palm, vegetable, or coconut oils. There is debate on whether this ingredient will cause acne.

Due to the fatty acid base, this ingredient may not be Malassezia folliculitis safe.

Learn more about Cetearyl Alcohol
Antimicrobial, Emulsifying, Preservative

This ingredient is a preservative, antimicrobial, and emulsifier. It is often used in cosmetics for its ability to cleanse, condition, and reduce static.

Cetrimonium chloride is a quaternary ammonium salt, meaning it has a water-soluble structure.

Buffering, Masking

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

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

If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.

Read more about some other popular AHA's here:

Learn more about Citric Acid
Perfuming

Citronellol is used to add fragrance/parfum to a product. It is often derived from plants such as roses. In fact, it can be found in many essential oils including geranium, lavender, neroli, and more. The scent of Citronellol is often described as "fresh, grassy, and citrus-like".

Since the Citronellol molecule is already unstable, Citronellol becomes irritating on the skin when exposed to air.

Citronellol is a modified terpene. Terpenes are unsaturated hydrocarbons found in plants. They make up the primary part of essential oils.

Citronellol is not able to be absorbed into deeper layers of the skin. It has low permeability,

Citronellol is also a natural insect repellent.

Learn more about Citronellol

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

This ingredient is derived from guar gum.

It is a conditioning ingredient, meaning it helps soften skin and hair.

Perfuming

Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.

Like Limonene, this ingredient oxidizes when exposed to air. Oxidized linalool can cause allergies and skin sensitivity.

This ingredient has a scent that is floral, spicy tropical, and citrus-like.

Learn more about Linalool
Masking, Perfuming

Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.

Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture.

For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad labeling category of “FRAGRANCE” or “PARFUM” according to EU and US regulations.

The term 'parfum' or 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term.

For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance by INCI standards.

One example is Calendula flower extract. Calendula is an essential oil that still imparts a scent or 'fragrance'.

Depending on the blend, the ingredients in the mixture can cause allergies and sensitivities on the skin. Some ingredients that are known EU allergens include linalool and citronellol.

Parfum can also be used to mask or cover an unpleasant scent.

The bottom line is: not all fragrances/parfum/ingredients are created equally. If you are worried about fragrances, we recommend taking a closer look at an ingredient. And of course, we always recommend speaking with a professional.

Learn more about Parfum
Preservative

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent 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.

Skin Conditioning, Solvent

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. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

When to use

8 Routines
50% use in am
50% use in pm
63% use every day
29 Routines
59% use in am
41% use in pm
62% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

3.50
Overall rating
5
4
3
2
1
What people say
Soft 50% Waves 50%

Ouai Leave In Conditioner 54 ingredients

3.80
Overall rating
5
4
3
2
1
What people say
Soft 50% Frizz 25% Straight Hair 25%