Hair Thickening

Extensive Thickening Treatment

Name: Extensive Thickening Treatment
Brand: Kerotin
SKU: Extensive-Thickening-1
Price: 33.0 USD
Availability: InStock
Rating: 4.916099773 (441 reviews)

441

$ 33

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1 Month
3 Months (20% OFF)

Boost Thickness & Strength + Prevent Breakage

This lightweight, diameter-boosting hair treatment uses botanicals and polymer technology to increase hair thickness, strength and resistance over time, preventing breakage and shedding. Also providing moisture, movement, thermal protection, and damage repair.

Ideal for: Women with fine and thin hair with excessive breakage, looking to boost thickness and strength.

* Free of Sulfates, Mineral Oils, Parabens, Phthalates, Sodium Chloride

Why it's unique?

11.3% increase in hair thickness

After 3 applications with Amaranth Seed Extract - the key ingredient in our formula.

This fast-absorbing mist uses a unique blend of actives with Amaranth Seed Extract - a natural plant source from ancient grain that increases hair thickness from the inside out.

Extensive Treatment works in the first application!

In the first week, you'll notice an increase in strength shine and reduced shedding, as well as improved elasticity.

Key ingredients

Powered by clinically-inspired ingredients

Each ingredient is selected for a clear purpose: stronger roots, healthier scalp, and visibly fuller-looking hair.

Amaranth Extract

Thickens

Boosts hair thickness and strength, preventing excess breakage and shedding.

Strength

Hibiscus Extract

Repairs

Conditions against dryness and damage, preventing frizz, split ends and breakage.

Support

Baobab Protein

Protects

Provides UV protection, preventing damage while improving strand elasticity and rejuvenating.

Protection

Why it works

Our hair treatment gently boosts thickness and strength with a blend of botanicals and polymers, helping to reduce breakage and shedding over time. It also nourishes, adds softness, protects from heat, and repairs damage.

Full ingredient list

Ingredients

Complete list of vitamins, minerals, and botanical extracts used in our formula.

View full ingredients

ater, Amaranth Seed Extract, Hydrolyzed Baobab Protein, Hydrolyzed Quinoa, Rosemary Leaf Extract, Hibiscus Flower Extract, Polysorbate 80 (Coconut derived), Phenoxyethanol, Ethylhexylglycerin, Aloe Barbadensis Leaf Extract, Marshmallow Root Extract, Fragrance.

Formulated without

Sulfates, Mineral Oils, Parabens, Phthalates, Sodium Chloride.

Suggested Use

Apply Extensive Thickening Treatment directly on to the hair strand. You can apply it to damp or dry hair, and proceed to style as usual.

FAQ

Frequently Asked Questions

Everything you need to know before you start.

Does this product contain Minoxidil or other drugs?

Extensive Thickening Treatment is 100% drug-free, and it does not contain minoxidil or any other drugs, but rather works by providing a natural solution for boosting hair thickness at the strands.

How ofter should I use it?

For best results, use Extensive Thickening Treatment daily.

What is the difference between this and the Intensive Growth Drops?

Intensive Hair Growth Drops targets the scalp, promoting hair growth and thickness at the roots. Extensive Thickening Treatment targets the hair strand, boosting hair thickness and preventing breakage. Both should be used together if you wish to grow healthier, fuller hair.

How long does it take to see results?

You should start to see meaningful results after 15 - 30 applications. This product contains proven ingredients that increase hair thickness by 11.3% after 3 applications.

What is the difference between this and the Volumizing System?

Extensive Thickening Treatment is a treatment to increase hair thickness over time. It does not provide instant volume - instead, you can style your hair as you wish. TheVolumizing System promotes instant volume, as it is a styling product.

How do I apply it?

Apply a small amount to clean, damp or dry hair, focusing on mid-lengths to ends. Do not rinse. Style as desired.

Who is this product best suited for?

It’s ideal for anyone with thin, fine, or fragile hair looking to improve the appearance of thickness and reduce breakage over time.

Customer Reviews

4.9 Based on 441 Reviews

5 ★

94%

415

4 ★

4%

19

3 ★

1%

4

2 ★

0%

2

1 ★

0%

1

Customer Photos

Extensive Thickening Treatment - Customer Photo From Marion Maclean

Extensive Thickening Treatment - Customer Photo From Doris Hannah

Extensive Thickening Treatment - Customer Photo From Csilla Rosales

Extensive Thickening Treatment - Customer Photo From Monica Myers

Extensive Thickening Treatment - Customer Photo From Amy Stefanik

Extensive Thickening Treatment - Customer Photo From Kaye Gardner

Extensive Thickening Treatment - Customer Photo From Lela Hardy

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DH

01/23/2025

Doris H.

United States

Awesome product!

I have been using it last couple years after experiencing a bald head from cancer!! After hair started coming back I faithfully, and still do use it. Keeps volume to my hair. Have some friends using now also . Blessed to have a good hair feel and volume!! Thanks for this products results for me. Doris Hannah

Kerotin Extensive Thickening Treatment Review

CK

12/11/2024

Carolyn K.

United States

Great product

I have very thin hair and the Kerotin Extensive Thickening Treatment has been great for my hair. I have new growth and it helps to give me curls when I have always had straight hair. It's an amazing product!