Versus

Olaplex No.7 Bonding Oil Versus Olaplex Nº.9 Bond Protector Nourishing Hair Serum

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

Updated on May 21, 2025

Overview

What they are

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

Suited For

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

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

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What's inside (and what isn't)

What's inside (and what isn't)

At a glance

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Key Ingredients

Benefits

Concerns

Benefits

Concerns

Ingredients Side-by-side

found in both products

When to use

103 Routines
52% use in am
48% use in pm
63% use every day
When to use See routines that use it ->
17 Routines
41% use in am
59% use in pm
59% use every day

Reviews

Here's what our community thinks

Olaplex No.7 Bonding Oil 25 ingredients

5.00
Overall rating
5
4
3
2
1
What people say
Frizz 67% Soft 67% Straight Hair 33%
3.67
Overall rating
5
4
3
2
1