Versus

Nioxin Hair Fall Defense Serum Versus Nioxin System 2 Scalp & Hair Thickening Treatment

Scalp Treatment
Leave-in Treatment
Canadian Brand Canada
Canadian Brand Canada

Updated on March 13, 2025

Overview

Cool Features

They both contain niacinamide and Vitamin E

Suited For

They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots

Free From

They both do not contain any sulfates

What's Inside

They both contain harsh alcohols, common allergens, fragrances and oils

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

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
System 2 Scalp & Hair Thickening Treatment

When to use

1 Routine
0% use in am
100% use in pm
100% use every day