Marc Anthony Grow Long Biotin Leave In Conditioner Versus Ouai Leave In Conditioner - Original
Updated on June 02, 2025
Overview
What they are
These products are both cruelty-free and reef safe leave-in conditioners. They have a total of 8 ingredients in common
Cool Features
They both contain Vitamin E
Suited For
They're both likely to be good for anti aging, dry skin, sensitive skin and scar healing
Free From
They both do not contain any parabens or sulfates
What's Inside
They both contain 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
Marc Anthony Grow Long Biotin Leave In Conditioner 23 ingredients
Ouai Leave In Conditioner 54 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
Marc Anthony Grow Long Biotin Leave In Conditioner 23 ingredients
Ouai Leave In Conditioner 54 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningCetyl Alcohol
Emollient
Behentrimonium Chloride
Preservative
Parfum
Masking
Phenoxyethanol
Preservative
Caffeine
Skin Conditioning
Tocopheryl Acetate
Antioxidant
Panax Ginseng Root Extract
Emollient
Biotin
AntiseborrhoeicCocos Nucifera Oil
Masking
Stearyl Alcohol
Emollient
Propylene Glycol
Humectant
Cyclopentasiloxane
Emollient
Divinyldimethicone/Dimethicone Copolymer
Isopropyl Alcohol
Solvent
Amodimethicone
Ethylhexylglycerin
Skin ConditioningC12-13 Pareth-3
EmulsifyingCetrimonium Chloride
Antimicrobial
Trideceth-12
EmulsifyingC12-13 Pareth-23
CleansingButylene Glycol
Humectant
Sodium Hydroxide
BufferingWater, Cetyl Alcohol, Behentrimonium Chloride, Parfum, Phenoxyethanol, Caffeine, Tocopheryl Acetate, Panax Ginseng Root Extract, Biotin, Cocos Nucifera Oil, Stearyl Alcohol, Propylene Glycol, Cyclopentasiloxane, Divinyldimethicone/Dimethicone Copolymer, Isopropyl Alcohol, Amodimethicone, Ethylhexylglycerin, C12-13 Pareth-3, Cetrimonium Chloride, Trideceth-12, C12-13 Pareth-23, Butylene Glycol, Sodium Hydroxide
Water
Skin ConditioningCyclopentasiloxane
Emollient
Cetearyl Alcohol
Emollient
Quaternium-91
Parfum
Masking
Phenoxyethanol
Preservative
Adansonia Digitata Seed Oil
Emollient
Argania Spinosa Kernel Oil
Emollient
Oenothera Biennis Oil
Emollient
Tocopheryl Acetate
Antioxidant
Hydrolyzed Rhodophyceae Extract
Tamarindus Indica Extract
SmoothingPanthenol
Skin Conditioning
Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein
CleansingArginine
Masking
Aspartic Acid
Masking
PCA
Humectant
Glycine
Buffering
Alanine
MaskingSerine
Masking
Valine
MaskingIsoleucine
Skin ConditioningProline
Skin ConditioningThreonine
Sodium Hyaluronate
Humectant
Histidine
Humectant
Brassica Campestris/Aleurites Fordi Oil Copolymer
Skin Conditioning
Cetrimonium Chloride
Antimicrobial
Glycerin
Humectant
Dipropylene Glycol
MaskingPolysilicone-29
Behentrimonium Chloride
Preservative
Myristyl Myristate
Emollient
Silicone Quaternium-16
Skin ConditioningLeuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Butylene Glycol
Humectant
Undeceth-11
EmollientButyloctanol
HumectantGuar Hydroxypropyltrimonium Chloride
Skin ConditioningUndeceth-5
Emulsifying3-O-Ethyl Ascorbic Acid
Skin Conditioning
Sodium PCA
Humectant
Sodium Lactate
BufferingPhenylalanine
Masking
Disodium EDTA
Citric Acid
Buffering
Citronellol
Perfuming
Geraniol
Perfuming
Alpha-Isomethyl Ionone
Perfuming
Cinnamyl Alcohol
Perfuming
Citral
Perfuming
Linalool
Perfuming
Hydroxycitronellal
Perfuming
Limonene
Perfuming
Water, Cyclopentasiloxane, Cetearyl Alcohol, Quaternium-91, Parfum, Phenoxyethanol, Adansonia Digitata Seed Oil, Argania Spinosa Kernel Oil, Oenothera Biennis Oil, Tocopheryl Acetate, Hydrolyzed Rhodophyceae Extract, Tamarindus Indica Extract, Panthenol, Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein, Arginine, Aspartic Acid, PCA, Glycine, Alanine, Serine, Valine, Isoleucine, Proline, Threonine, Sodium Hyaluronate, Histidine, Brassica Campestris/Aleurites Fordi Oil Copolymer, Cetrimonium Chloride, Glycerin, Dipropylene Glycol, Polysilicone-29, Behentrimonium Chloride, Myristyl Myristate, Silicone Quaternium-16, Leuconostoc/Radish Root Ferment Filtrate, Butylene Glycol, Undeceth-11, Butyloctanol, Guar Hydroxypropyltrimonium Chloride, Undeceth-5, 3-O-Ethyl Ascorbic Acid, Sodium PCA, Sodium Lactate, Phenylalanine, Disodium EDTA, Citric Acid, Citronellol, Geraniol, Alpha-Isomethyl Ionone, Cinnamyl Alcohol, Citral, Linalool, Hydroxycitronellal, Limonene
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%.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Learn more about Butylene GlycolThis 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.
Cyclopentasiloxane, 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 CyclopentasiloxaneParfum 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 ParfumPhenoxyethanol 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.
Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.
Tocopheryl Acetate is commonly found in both skincare and dietary supplements.
Learn more about Tocopheryl AcetateWater. 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 WaterIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Marc Anthony Grow Long Biotin Leave In Conditioner 23 ingredients
Ouai Leave In Conditioner 54 ingredients
Reviews
Here's what our community thinks
