Updated on April 18, 2025
Overview
What they are
These products are both hair oils. They have a total of 9 ingredients in common
Suited For
They're both likely to be good for dry skin, sensitive skin and dark spots
Free From
They both do not contain any 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 needs an update? Let us know.
Ingredient Info
L'Oréal Professionnel Mythic Oil 18 ingredients
Ouai Hair Oil 45 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
L'Oréal Professionnel Mythic Oil 18 ingredients
Ouai Hair Oil 45 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Cyclopentasiloxane
Emollient
Dimethicone
Emollient
Prunus Amygdalus Dulcis Oil
Skin Conditioning
Isododecane
EmollientHydrogenated Ethylhexyl Olivate
EmollientC12-15 Alkyl Benzoate
AntimicrobialPhenyl Trimethicone
Skin Conditioning
Simmondsia Chinensis Seed Oil
Emollient
Dimethiconol
Emollient
Jojoba Esters
Emollient
Butyrospermum Parkii Butter
Skin Conditioning
Helianthus Annuus Seed Oil
Emollient
Oryza Sativa Bran Oil
Emollient
Adansonia Digitata Seed Oil
Emollient
Borago Officinalis Seed Oil
Emollient
Crambe Abyssinica Seed Oil
Skin Conditioning
Glycine Soja Oil
Emollient
Passiflora Edulis Seed Oil
Emollient
Moringa Oleifera Seed Oil
Emollient
Coconut Alkanes
Emollient
Kaempferia Galanga Root Extract
Skin ConditioningHelianthus Annuus Extract
Emollient
Amaranthus Caudatus Seed Extract
Skin Conditioning
Oryza Sativa Bran Extract
Skin Conditioning
Daucus Carota Sativa Root Extract
Skin Conditioning
Rosmarinus Officinalis Leaf Extract
AntimicrobialTocopherol
Antioxidant
Coco-Caprylate/Caprate
Emollient
Ethylhexyl Methoxycinnamate
UV Absorber
Polysilicone-15
UV Filter
Diisostearyl Malate
EmollientHydrogenated Olive Oil Unsaponifiables
Emollient
Beta-Carotene
Skin ConditioningBHT
Antioxidant
Citric Acid
Buffering
Benzoic Acid
Masking
Phenoxyethanol
Preservative
Parfum
Masking
Benzyl Benzoate
Antimicrobial
Citronellol
Perfuming
Benzyl Salicylate
Perfuming
Linalool
Perfuming
Hydroxycitronellal
Perfuming
Hexyl Cinnamal
Perfuming
Geraniol
Perfuming
Cyclopentasiloxane, Dimethicone, Prunus Amygdalus Dulcis Oil, Isododecane, Hydrogenated Ethylhexyl Olivate, C12-15 Alkyl Benzoate, Phenyl Trimethicone, Simmondsia Chinensis Seed Oil, Dimethiconol, Jojoba Esters, Butyrospermum Parkii Butter, Helianthus Annuus Seed Oil, Oryza Sativa Bran Oil, Adansonia Digitata Seed Oil, Borago Officinalis Seed Oil, Crambe Abyssinica Seed Oil, Glycine Soja Oil, Passiflora Edulis Seed Oil, Moringa Oleifera Seed Oil, Coconut Alkanes, Kaempferia Galanga Root Extract, Helianthus Annuus Extract, Amaranthus Caudatus Seed Extract, Oryza Sativa Bran Extract, Daucus Carota Sativa Root Extract, Rosmarinus Officinalis Leaf Extract, Tocopherol, Coco-Caprylate/Caprate, Ethylhexyl Methoxycinnamate, Polysilicone-15, Diisostearyl Malate, Hydrogenated Olive Oil Unsaponifiables, Beta-Carotene, BHT, Citric Acid, Benzoic Acid, Phenoxyethanol, Parfum, Benzyl Benzoate, Citronellol, Benzyl Salicylate, Linalool, Hydroxycitronellal, Hexyl Cinnamal, Geraniol
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.
C12-15 Alkyl Benzoate is an emollient and texture enhancer. Due to its solubility, it is often used in sunscreens to help evenly distribute active ingredients.
As an emollient, C12-15 Alkyl Benzoate helps soften and hydrate your skin. Emollients create a film on your skin that traps moisture within.
This ingredient has been reported to cause eye irritation.
Learn more about C12-15 Alkyl BenzoateCitronellol 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 CitronellolCyclopentasiloxane, or D5, is a silicone used to improve texture of products and trap moisture.
D5 is considered lightweight and volatile. Volatile means it evaporates quickly after application. Once evaporated, D5 leaves a thin barrier that helps keep skin hydrated.
It is also an emollient. Emollients help soften the skin and prevent water loss. Silicones create a silky texture in products. D5 helps other ingredients become more spreadable.
Studies show D5 is safe to use in skincare products. We recommend speaking with a skincare professional if you have concerns.
Learn more about CyclopentasiloxaneDimethiconol is a silicone that resembles the popular dimethicone. Like other silicones, it is an emollient. Emollients create a thin film on skin to prevent moisture from escaping.
This ingredient helps to create a silky texture and improve spreadability. Due to its high molecular weight and thickness, it is often combined with cyclopentasiloxane.
Geraniol is used to add fragrance/parfum to a product. It is the main component of citronellol. It is a monoterpenoid and an alcohol.
Monoterpenes are naturally found in many parts of different plants.
Geraniol can be found in many essential oils including Rose Oil and Citronella Oil. The scent of Geraniol is often described as "rose-like". Many foods also contain Geraniol for fruit flavoring.
Geraniol can irritate the skin when exposed to air. However, irritation depends on the ability of geraniol to penetrate into the skin. In general, geraniol is not able to penetrate skin easily.
Geraniol is colorless and has low water-solubility. However, it is soluble in common organic solvents.
Like citronellol, it is a natural insect repellent.
2,6-Octadien-1-ol, 3,7-dimethyl-, (2E)-
Learn more about GeraniolHexyl 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 CinnamalHydroxycitronellal is a fragrance created from citronellal. The smell of hydroxycitronellal is often described as "citrus-like" or "melon-like".
Hydroxycitronellal is a known EU allergen and may cause irritation when applied to the skin.
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 LinaloolParfum 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 ParfumIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
L'Oréal Professionnel Mythic Oil 18 ingredients
Ouai Hair Oil 45 ingredients
