REDKEN Extreme Length Shampoo Versus Biolage Scalp Sync Clarifying Shampoo
Updated on March 03, 2025
Overview
What they are
These products are both vegan, fungal acne (malassezia) safe, and reef safe shampoos. They have a total of 0 ingredients in common
Cool Features
They both contain AHA and BHA
Suited For
They're both likely to be good for fighting acne, dry skin, brightening skin, oily skin, reducing pores, scar healing and better texture
Free From
They both do not contain any oils, parabens or silicones
What's Inside
They both contain harsh alcohols, common allergens, fragrances and sulfates
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
REDKEN Extreme Length Shampoo 18 ingredients
Biolage Scalp Sync Clarifying Shampoo 27 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
REDKEN Extreme Length Shampoo 18 ingredients
Biolage Scalp Sync Clarifying Shampoo 27 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
REDKEN Extreme Length Shampoo 18 ingredients
Biolage Scalp Sync Clarifying Shampoo 27 ingredients
Reviews
Here's what our community thinks