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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Olaplex No.7 Bonding Oil versus Ouai Hair Oil .

Published on October 01, 2022

Overview

What they are

These products are both cruelty-free hair oils. They have a total of 11 ingredients in common

Cool Features

They both contain Vitamin E

Suited For

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

Free From

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

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 need an update? Let us know.

Hair Oil American Brand United States
Hair Oil American Brand United States

Hair Oil

Oil-based hair treatment to help nourish the hair.

Hair Oil

Oil-based hair treatment to help nourish the hair.

Price

Shop

Buy No.7 Bonding Oil

Starts at $30.00
Shop

Buy Hair Oil

Starts at $30.00

Ingredient Info

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

Olaplex No.7 Bonding Oil 25 ingredients

Ouai Hair Oil 45 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
reef-safe
eu-allergen-free
vegan
cruelty-free

At a glance

Click on any of the items below to learn more

Olaplex No.7 Bonding Oil 25 ingredients

Ouai Hair Oil 45 ingredients

Notable Ingredients

Vitamin E

Benefits

Hydrating (2)
Anti-Aging
Scar Healing
Brightening

Concerns

May Worsen Oily Skin (2)
Irritating (3)
Rosacea
Eczema

Notable Ingredients

Vitamin E

Benefits

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

Concerns

May Worsen Oily Skin (2)
Irritating (2)
Rosacea
Eczema (2)
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Ingredients Compared

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

Olaplex No.7 Bonding Oil 25 ingredients

Ouai Hair Oil 45 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: Emollient, Skin Conditioning, Skin Protecting
Community Rating: Very Disliked

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.

Olaplex No.7 Bonding Oil contains this as ingredient number 1.

Ouai Hair Oil contains this as ingredient number 2.

2
What it does: Skin Conditioning
Community Rating: Disliked

Phenyl Trimethicone is a silicon-based polymer. It is derived from silica.

Phenyl Trimethicone is used as an emollient and prevents products from foaming.

As an emollient, it helps trap moisture in the skin. It is considered an occlusive.

Learn more about Phenyl Trimethicone

Olaplex No.7 Bonding Oil contains this as ingredient number 5.

Ouai Hair Oil contains this as ingredient number 7.

3
What it does: Skin Conditioning
Community Rating: Loved

Beta-Carotene is a carotenoid. It is an antioxidant that converts to Vitamin A. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

It gives plants the red, orange, and yellow color. Some foods with Beta-Carotene include sweet potatoes, carrots, apricots, and cantaloupe.

Olaplex No.7 Bonding Oil contains this as ingredient number 9.

Ouai Hair Oil contains this as ingredient number 33.

4
What it does: Emollient, Masking, Skin Conditioning
Community Rating: Disliked

Helianthus Annuus Seed Oil is the oil derived from the seeds of a Sunflower. Sunflower seed oil is non-fragrant. It is an emollient, meaning it helps to soften the skin.

Sunflower seed oil contains many fatty acids. The fatty acids found in sunflower seeds include (from highest amount to least): linoleic acid, myristic acid, palmitic acid, stearic acid, arachidic acid, oleic acid, and linolenic acid.

These fatty acids help the skin create ceramides. Ceramides play a role in repairing the skin barrier.

Helianthus Annuus Seed Oil helps moisturize the skin. This in turn helps the skin look more rejuvenated and smoother.

Sunflowers are rich in vitamin E.

Historians believe Indigenous cultures of North America domesticated sunflowers before corn. Thus they relied on sunflower oil for a variety of uses. One such use is moisturizing skin and hair.

Sunflower seed oil may not be fungal acne safe. We recommend speaking with a professional if you have any concerns.

Learn more about Helianthus Annuus Seed Oil

Olaplex No.7 Bonding Oil contains this as ingredient number 10.

Ouai Hair Oil contains this as ingredient number 12.

5
What it does: Emollient, Skin Conditioning
Community Rating: Mixed

Moringa Oleifera Seed Oil is the oil expressed from the seeds of Moringa oleifera plant. It is more commonly known as Moringa seed oil.

Moringa seeds have antioxidant, anti-inflammatory, and skin hydrating properties. These seeds are rich in oils, proteins, monounsaturated fats, and tocopherols.

As an emollient, moringa seed oil helps trap moisture in the skin by creating a film on top. This helps keep your skin hydrated and soft.

Many compounds in moringa seed oil are antioxidant and anti-inflammatory. These compounds include Vitamin E. , catechins, ferulic acid, and more.

Another compound found in Moringa seed oil is oleic acid.

Moringa trees are native to the Himalayan mountains.

Learn more about Moringa Oleifera Seed Oil

Olaplex No.7 Bonding Oil contains this as ingredient number 11.

Ouai Hair Oil contains this as ingredient number 19.

6
What it does: Masking, Perfuming
Community Rating: Very Disliked

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

In the US, the alternative name for parfum is 'fragrance'. The term '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. One example is Calendula flower extract. Essential oil ingredients still impart a scent or 'fragrance'.

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

Products use parfum often to give products a scent or cover up smells of different ingredients.

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

Olaplex No.7 Bonding Oil contains this as ingredient number 15.

Ouai Hair Oil contains this as ingredient number 38.

7
What it does: Perfuming
Community Rating: Very Disliked

Hexyl Cinnamal is a fragrance ingredient with a similar scent to jasmine. It can be naturally found in chamomile essential oil.

This ingredient is a known EU allergen and may sensitize the skin. The EU requires this ingredient to be listed separately on an ingredients list.

Hexyl Cinnamal is not water soluble but is soluble in oils.

Learn more about Hexyl Cinnamal

Olaplex No.7 Bonding Oil contains this as ingredient number 16.

Ouai Hair Oil contains this as ingredient number 44.

8
What it does: UV Absorber, UV Filter
Community Rating: Very Disliked

Ethylhexyl Methoxycinnamate is an organic compound that provides UVB protection. It often goes by the more common name of octinoxate. It is created from methoxycinnamic acid and 2-ethylhexanol.

Ethylhexyl Methoxycinnamate absorbs UVB rays with wavelengths between 280-320 nm. UV absorbers protect your skin by using chemical reactions to convert UV rays into heat and energy.

UVB (290-320 nm) rays emit more energy than UVA rays. They are capable of damaging DNA, causing sunburns and are thought to be linked to skin cancer.

The state of Hawaii has banned sunscreens containing octinoxate due to its potential impact on coral reefs. More research is needed to bridge gaps in this research. The European Union allows higher levels of octinoxate in sunscreens than the US and Australia.

Ethylhexyl Methoxycinnamate is oil soluble. It is not stable and may lose efficacy when exposed to sunlight.

Learn more about Ethylhexyl Methoxycinnamate

Olaplex No.7 Bonding Oil contains this as ingredient number 18.

Ouai Hair Oil contains this as ingredient number 29.

9
What it does: Antioxidant, Masking, Skin Conditioning
Community Rating: Liked

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.

Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.

You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.

There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.

Learn more about Tocopherol

Olaplex No.7 Bonding Oil contains this as ingredient number 20.

Ouai Hair Oil contains this as ingredient number 27.

10
What it does: Perfuming
Community Rating: Very Disliked

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

Linalool has the same effect as Limonene when exposed to air. Oxidized linalool can cause allergies and skin sensitivity.

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

Learn more about Linalool

Olaplex No.7 Bonding Oil contains this as ingredient number 22.

Ouai Hair Oil contains this as ingredient number 42.

11
What it does: Perfuming
Community Rating: Very Disliked

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

Olaplex No.7 Bonding Oil contains this as ingredient number 24.

Ouai Hair Oil contains this as ingredient number 40.

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

Olaplex No.7 Bonding Oil 25 ingredients

Ouai Hair Oil 45 ingredients

20% are loved or liked
12% have mixed ratings
48% are disliked or very disliked
20% have no rating yet
16% are loved or liked
18% have mixed ratings
62% are disliked or very disliked
4% have no rating yet

Usage

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

When to use

Olaplex No.7 Bonding Oil 25 ingredients

Ouai Hair Oil 45 ingredients

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Reviews

Here's what our community thinks

Olaplex No.7 Bonding Oil 25 ingredients

5.0 /5
from 3 reviews

Ouai Hair Oil 45 ingredients

Hair Oil hasn't been rated yet.
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Alternatives

Our Dupe Finder has found 2 potential alternatives that have similar ingredients to Olaplex No.7 Bonding Oil.

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Our Dupe Finder has found 3 potential alternatives that have similar ingredients to Ouai Hair Oil.

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