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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Necessaire The Conditioner versus Ouai Thick Hair Conditioner .

Published on June 02, 2023

Overview

What they are

These products are both cruelty-free and reef safe conditioners. They have a total of 6 ingredients in common

Suited For

They're both likely to be good for dry skin, brightening skin and sensitive skin

Free From

They both do not contain any parabens

What's Inside

They both contain fragrances and oils

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

Conditioner Brand
Conditioner American Brand United States

Conditioner

Moisturizing agents for hair.

Conditioner

Moisturizing agents for hair.

Price

Shop

Buy The Conditioner

Starts at $28.00
Shop

Buy Thick Hair Conditioner

Starts at $32.00

Ingredient Info

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

Necessaire The Conditioner 22 ingredients

Ouai Thick Hair Conditioner 40 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

Necessaire The Conditioner 22 ingredients

Ouai Thick Hair Conditioner 40 ingredients

Notable Ingredients

Exfoliators
Niacinamide
Hyaluronic Acid

Benefits

Hydrating (2)
Good For Oily Skin
Redness Reducing
Reduces Irritation
Reduces Large Pores
Dark Spots
Acne Fighting
Brightening (2)

Concerns

May Worsen Oily Skin
Acne Trigger (2)

Notable Ingredients

Vitamin E

Benefits

Hydrating (4)
Reduces Irritation
Anti-Aging
Scar Healing
Brightening (2)

Concerns

Drying (2)
May Worsen Oily Skin (3)
Acne Trigger (3)
Irritating (2)
Rosacea (3)
Eczema (2)
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Ingredients Compared

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

Necessaire The Conditioner 22 ingredients

Ouai Thick Hair Conditioner 40 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, 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

Necessaire The Conditioner contains this as ingredient number 1.

Ouai Thick Hair Conditioner contains this as ingredient number 1.

2
What it does: Emollient, Emulsifying, Emulsion Stabilising
Community Rating: Very Disliked

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

Necessaire The Conditioner contains this as ingredient number 2.

Ouai Thick Hair Conditioner contains this as ingredient number 2.

3
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

Necessaire The Conditioner contains this as ingredient number 3.

Ouai Thick Hair Conditioner contains this as ingredient number 19.

4
What it does: Skin Conditioning
Community Rating: Disliked

Persea Gratissima Oil is made by pressing dehydrated avocado fruit from the tree Persea gratissima, Lauraceae.

Avocado Oil has antioxidant properties. Antioxidants help fight off free-radicals. Free-radicals are molecules that may damage your skin cells.

Avocado Oil is mostly made up of the glycerides of fatty acids. About 67% of these fatty acids is made up of oleic acid. Palmitic acid and linoleic acid are also present.

These fatty acids help hydrate and soften the skin. It may increase collagen content in the skin. Collagen helps keep your skin plump and firm.

Avocado Oil reduces inflammation and has not shown to clog glands.

Avocados also have B vitamins, vitamin K, vitamin C, vitamin E, and potassium.

Learn more about Persea Gratissima Oil

Necessaire The Conditioner contains this as ingredient number 8.

Ouai Thick Hair Conditioner contains this as ingredient number 8.

5
What it does: Skin Conditioning
Community Rating: Loved

Panthenol (also referred to as pro-vitamin B5) is a common ingredient that helps hydrate and soothe the skin.

lt is a humectant, meaning that it helps the skin attract and retain moisture.

Another benefit is the anti-inflammatory abilities. This means that it's great for sensitive, irritation-prone skin.

Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.

Learn more about Panthenol

Necessaire The Conditioner contains this as ingredient number 10.

Ouai Thick Hair Conditioner contains this as ingredient number 6.

6
What it does: Buffering, Masking
Community Rating: Disliked

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

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.

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 look more even.

Read more about some other popular AHA's here:

Learn more about Citric Acid

Necessaire The Conditioner contains this as ingredient number 14.

Ouai Thick Hair Conditioner contains this as ingredient number 30.

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

Necessaire The Conditioner 22 ingredients

Ouai Thick Hair Conditioner 40 ingredients

41% are loved or liked
9% have mixed ratings
27% are disliked or very disliked
23% have no rating yet
28% are loved or liked
8% have mixed ratings
43% are disliked or very disliked
23% have no rating yet

Usage

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

When to use

Necessaire The Conditioner 22 ingredients

Ouai Thick Hair Conditioner 40 ingredients

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Alternatives

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