K18 Hair FutureIQ Biomimetic Hair Longevity Serum

Dupes for FutureIQ Biomimetic Hair Longevity Serum by K18 Hair

Last updated on August 19, 2026

Welcome to our breakdown of the 9 best K18 Hair FutureIQ Biomimetic Hair Longevity Serum dupes and alternatives.

Looking for dupes for a different product? You can use our Dupe Finder to search for them!

If you'd like to see the all of the K18 Hair dupes that we've found, check out our best K18 Hair dupes guide.

We use hundreds of science-backed factors to find you the best dupes.
Learn more about our dupe methodology

Our Roundup

Here's a quick roundup of our findings. Continue reading for the full breakdown!

Deconstruct Hair Growth Serum
Most Similar Ingredients

Deconstruct's Hair Growth Serum is the dupe with the most similar ingredients. Our matching methodology puts it at an 48% ingredient match!

Dr. Barbara Sturm Molecular Hair And Scalp Anti-Hair Fall Hair And Scalp Serum
Most Liked

Of all of the dupes for this product, Dr. Barbara Sturm's Molecular Hair And Scalp Anti-Hair Fall Hair And Scalp Serum is the most liked by our community. Our matching algorithm puts it at an 54% overall match!

Overview

What it is

Hair serum with 19 ingredients that contains niacinamide and peptides

Cool Features

It is vegan, cruelty-free, and reef safe

Suited For

It has ingredients that are good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture

Free From

It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates

Dupe #1

Deconstruct Hair Growth Serum

66% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

90% Attribute Match
48% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair serums that contain niacinamide and peptides. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, fragrances, parabens, silicones or sulfates.

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

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #1

Deliplus Curl Perfect Gel Activador Rizos

56% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

62% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free hair serums that contain niacinamide. They've got a total of 10 ingredients in common.

They both do not contain any parabens, silicones or sulfates.

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

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #2

René Furterer Astera Sensitive Pollution Protection Serum

54% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

52% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both cruelty-free hair serums that contain. They've got a total of 6 ingredients in common.

They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates.

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

Both products are also reef safe.

Price Comparison

This dupe is $76.00 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #1

Dr. Barbara Sturm Molecular Hair And Scalp Anti-Hair Fall Hair And Scalp Serum

54% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

65% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both cruelty-free hair serums that contain. They've got a total of 5 ingredients in common.

They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.

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

Both products are also reef safe.

Price Comparison

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #4

Ingredien Curl Build Protein Booster

54% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

62% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free hair serums that contain. They've got a total of 5 ingredients in common.

They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.

They're both likely to be good for anti aging, dry skin, sensitive skin and scar healing.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #1

Dr. Barbara Sturm Molecular Hair And Scalp Super Anti-Aging Hair And Scalp Serum

53% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

57% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both cruelty-free hair serums that contain. They've got a total of 5 ingredients in common.

They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.

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

Both products are also reef safe.

Price Comparison

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #2

Hjärtligt Hair Growth Elixir

53% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

54% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free hair serums that contain. They've got a total of 5 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.

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

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Don't miss the latest dupes
Build your routine, discover dupes, and more by joining our community
Dupe #3

Sisley Paris Hair Rituel Soothing Rebalancing Cure Hair & Scalp Serum

50% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

44% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both hair serums that contain. They've got a total of 7 ingredients in common.

They both do not contain any common allergens, parabens, silicones or sulfates.

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

Both products are also reef safe.

Price Comparison

This dupe is $50.00 more expensive than the original product.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Don't miss the latest dupes
Build your routine, discover dupes, and more by joining our community
Dupe #3

Bouclème Protein Booster

50% match

with the ingredients and function of K18 Hair FutureIQ Biomimetic Hair Longevity Serum

45% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair serums that contain. They've got a total of 4 ingredients in common.

They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.

They're both likely to be good for dry skin and scar healing.

Both products are also reef safe.

Price Comparison

This dupe is $80.00 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

SkinSort Icon
Verified by SkinSort

We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.

The data we've presented on this page has been verified by a member of the SkinSort Team.

Read more about us