Versus

Ouai Leave In Conditioner - Original Versus Iles Formula Finishing Serum

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

Updated on June 02, 2025

Overview

What they are

These products are both cruelty-free . They have a total of 0 ingredients in common

Cool Features

They both contain Vitamin E

Suited For

They're both likely to be good for dry skin, sensitive skin, scar healing and dark spots

Free From

They both do not contain any parabens

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

Click any item below to learn more and see relevant ingredients

Ouai Leave In Conditioner 54 ingredients

Iles Formula Finishing Serum 41 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

Ouai Leave In Conditioner 54 ingredients

Iles Formula Finishing Serum 41 ingredients

Key Ingredients

Benefits

Concerns

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
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
Finishing Serum

When to use

Ouai Leave In Conditioner 54 ingredients

Iles Formula Finishing Serum 41 ingredients

23 Routines
57% use in am
43% use in pm
61% use every day

Reviews

Here's what our community thinks

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%

Iles Formula Finishing Serum 41 ingredients

No reviews yet

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