Updated:21 October 2026
Rank 1-20 of the best Hair Thickeners
Our recommendation Price Customer rating
1. Comparison winner
BOLDIFY Hair Fibres for Thinning Hair Unisex Dark Brown 28g
BOLDIFY Hair Fibres for Thinning Hair Unisex Dark Brown 28g
Available immediately
free shipping
  • conceals thinning hair instantly to create the look of fuller hair in seconds
  • uses vegan and plant-based ingredients that are scalp-safe and non-irritating
  • gives a natural real-hair finish with fibres that mimic real hair and disperse evenly for a smooth result
Our rating
9,8
very good
800+ purchases last month
2. Bestseller
BOLDIFY Hair Fibres 28g - Black
BOLDIFY Hair Fibres 28g - Black
Available immediately
free shipping
  • strengthens hair roots with natural extracts
  • promotes faster hair growth with its effective formula
  • easy to apply and adjust for individual needs
Our rating
9,8
very good
700+ purchases last month
Natural Hair Growth Oil with Biotin & Argan Oil
Natural Hair Growth Oil with Biotin & Argan Oil
Available immediately
free shipping
  • supports hair roots for healthier and stronger hair
  • promotes faster hair growth with effective stimulation
  • easy to apply as an overnight mask for optimal results
Our rating
9,6
very good
Aveda Thickening Tonic 100ml
Aveda Thickening Tonic 100ml
Available immediately
free shipping
  • strengthens hair roots
  • promotes faster hair growth
  • easy application with spray on damp hair
Our rating
9,6
very good
900+ purchases last month
5. Best value
Aveda Thickening Tonic 30ml for thin and fine hair
Aveda Thickening Tonic 30ml for thin and fine hair
Available immediately
free shipping
  • easy to use styling spray that can be applied at the roots before styling
  • enriched with natural extracts including amla, wheat and corn
Our rating
9,6
very good
100+ purchases last month
Color Wow Carb-Infused Cocktail Thickening Treatment for Fine Hair, 200ml
Color Wow Carb-Infused Cocktail Thickening Treatment for Fine Hair, 200ml
Available immediately
free shipping
  • protects hair from heat damage and breakage, helping to keep the roots strong
  • gives the appearance of thicker, fuller hair instantly
  • easy to use: apply to damp hair before blow-drying for visibly thicker looking hair
Our rating
9,6
very good
GIFBEA Hair Growth Shampoo and Conditioner Set with Rosemary Oil
GIFBEA Hair Growth Shampoo and Conditioner Set with Rosemary Oil
Available immediately
free shipping
  • Strengthens the hair roots by nourishing the scalp with biotin and rosemary to support root strength
  • Promotes faster hair growth through a blend of biotin, caffeine and rosemary oil that stimulates follicles
  • Easy to apply as part of a daily routine with a 2 in 1 shampoo and conditioner and a separate rosemary oil serum
Our rating
9,5
very good
800+ purchases last month
Sebastian Professional Thickefy Foam Volumising Thickener for Fine Hair, 190ml, with Heat Protection
Sebastian Professional Thickefy Foam Volumising Thickener for Fine Hair, 190ml, with Heat Protection
Available immediately
free shipping
  • part of a nourishing routine that includes a hair oil to keep hair smooth and nourished
  • the mousse increases hair volume with a flexible, weightless hold
  • easy to apply hair mousse for quick styling
Our rating
9,5
very good
50+ purchases last month
Thick Fibre Root Touch-Up & Hairline Powder with Brush, 4g, Black - Sweat- and water-resistant
Thick Fibre Root Touch-Up & Hairline Powder with Brush, 4g, Black - Sweat- and water-resistant
Available immediately
free shipping
  • includes a puff, a mirror and a precision brush to make touching up easy
  • conceals thinning hairline and grey roots for instant coverage
  • water and sweat resistant for long-lasting wear
Our rating
9,5
very good
400+ purchases last month
Slick Gorilla Hair Styling Powder 20g
Slick Gorilla Hair Styling Powder 20g
Available immediately
free shipping
  • strengthens hair roots with natural extracts
  • supports faster hair growth
  • easy to apply
Our rating
9,4
good
Thick Fiber Hair Fibres - Dark Brown
Thick Fiber Hair Fibres - Dark Brown
Available immediately
free shipping
  • fortifies hair roots with natural extracts
  • promotes faster hair growth
  • easy application with bottle providing precise control
Our rating
9,4
good
BEHAPRO Rosemary Oil Hair Growth Set
BEHAPRO Rosemary Oil Hair Growth Set
Available immediately
free shipping
  • enriched with natural extracts to strengthen hair roots
  • promotes faster hair growth by stimulating blood circulation to the hair follicles
  • easy application with shampoo and serum for effective results
Our rating
9,3
good
Boldify Hairline Powder Medium Brown 4g
Boldify Hairline Powder Medium Brown 4g
Available immediately
free shipping
  • nourishes the hair roots to help strengthen them, with squalene to support scalp health
  • easy to apply with a pressed compact that gives precise control and prevents messy drips, stains or overspray on your skin
  • infused with natural extracts including squalene to nourish the scalp and support hair health
Our rating
9,3
good
John Frieda Thickening Shampoo 250ml
John Frieda Thickening Shampoo 250ml
Available immediately
free shipping
  • strengthens hair roots with biotin to fortify and enrich your hair
  • promotes faster hair growth through effective nourishment
  • easy to use by working through wet hair, lathering, and rinsing
Our rating
9,3
good
50+ purchases last month
John Frieda PROfiller+ Thickening Spray, 150ml
John Frieda PROfiller+ Thickening Spray, 150ml
Available immediately
free shipping
  • supports hair roots with biotin known for strength
  • promotes faster hair growth
  • easy spray application for even distribution
Our rating
9,0
good
Pantene Pro-V Miracles Hair Thickener, 100ml
Pantene Pro-V Miracles Hair Thickener, 100ml
Available immediately
free shipping
  • reinforces hair roots using a nutrient-rich formula
  • accelerates hair growth by boosting existing strands
  • easy to apply treatment
Our rating
9,0
good
John Frieda PROfiller+ Thickening Spray 150ml for Fine Hair
John Frieda PROfiller+ Thickening Spray 150ml for Fine Hair
Available immediately
free shipping
  • Strengthens hair roots to support fine strands and improve overall fullness
  • Easy to apply thanks to a lightweight, non-greasy formula
  • Helps reduce hair loss caused by breakage while delivering fuller, stronger-looking results
Our rating
8,9
good
Bed Head Queen For a Day Thickening Spray 311ml
Bed Head Queen For a Day Thickening Spray 311ml
Available immediately
free shipping
  • strengthens hair roots
  • promotes faster hair growth
  • easy to apply on damp hair
Our rating
8,9
good
TIGI Bed Head Small Talk Cream
TIGI Bed Head Small Talk Cream
Available immediately
free shipping
  • promotes stronger hair roots
  • encourages faster hair growth
  • easy to apply with just a few pumps on towel-dried hair before blow drying
Our rating
8,6
good
Charles Worthington Thicker and Fuller Mousse, 200ml
Charles Worthington Thicker and Fuller Mousse, 200ml
Available immediately
free shipping
  • strengthens hair roots for improved density
  • promotes faster hair growth with immediate thicker feel
  • simple to use: apply to hair and style as normal
Our rating
8,5
good

Similar Hair Thickener comparisons

Hair Thickeners buying guide: How to choose the right product from the above Hair Thickeners test or comparison

Understanding Hair Thickeners: What They Are and How They Work

What Are Hair Thickeners?

Hair thickeners are products designed to enhance the number of hair strands or make each strand appear thicker. They come in various forms, such as sprays, mousses, and powders. These products work by coating the hair shafts, providing a fuller look while adding texture and volume.

How Do They Work?

The magic of hair thickeners lies in their unique formulas. Most contain ingredients that either expand the hair shaft or provide a temporary hold that lifts hair away from the scalp. By creating this illusion of fullness, hair thickeners help individuals with fine or thinning hair feel more confident.

Choosing the Right Hair Thickener for Your Hair Type

Understanding Hair Types

To find the perfect hair thickener, we should first assess our hair type. Fine hair benefits from lightweight foams or sprays that add lift without weighing it down, while thicker hair may prefer a cream or paste that can help define texture.

Consider Your Hair Concerns

If you struggle with hair volume, opt for a thickener that focuses on lifting at the roots. For those dealing with hair loss, a product with fibres that cling to hair can provide a more substantial appearance. Aligning the thickener with our primary concerns ensures we choose the most effective product.

Step-by-Step Guide to Applying Hair Thickener Effectively

Preparation Is Key

Before we apply hair thickener, it’s crucial to start with clean, dry hair. Washing and drying our hair removes any heavy styling products that can weigh our hair down. Brushing through tangles also ensures even product distribution.

Application Techniques

When applying the thickener, we should focus on the roots for maximum lift. Using a small amount initially, we can work it into our hair using our fingers or a comb. It’s essential to layer gradually, as too much product can lead to a stiff or heavy feel.

Styling After Application

Once we’ve applied the thickener, styling is where we can truly see results. Using a blow dryer can enhance volume even further, particularly by flipping our head upside down while drying. This technique adds bounce and movement, creating a more natural appearance.

Our Top Recommendations for Hair Thickeners

Lightweight Sprays

For a quick and easy solution, we can recommend lightweight sprays ideal for fine hair. These products not only add volume but also give a gentle hold that keeps our style intact throughout the day.

Mousses for Volume

Mousses provide great versatility, as they can be used on damp hair before blow drying for a fuller look or applied to dry hair for touch-ups. Their airy textures create a lightweight feel while delivering impressive volume.

Fibres for Density

If we are looking for something that mimics the look of thicker hair, fibres are fantastic. These tiny strands adhere to our existing hair, adding instant fullness and camouflaging any thinning areas.

Tips for Maintaining Fuller Hair After Using Thickening Products

Adopting a Suitable Hair Care Routine

To maximise the effects of our hair thickening products, implementing a suitable hair care routine is essential. We should focus on using sulfate-free shampoos and conditioners that gently cleanse without stripping hair.

Limiting Heat Exposure

Maintaining our hair’s health is crucial for sustaining fullness. Limiting the use of heat styling tools can prevent damage, so considering heat-protectant sprays when we do style with heat can further enhance our hair’s appearance.

Regular Trims for Healthy Ends

Regular trims help to remove split ends and keep our hair looking healthy and full. By scheduling a trim every six to eight weeks, we can maintain the overall look of thickness.

Table of contents
  1. Understanding Hair Thickeners: What They Are and How They Work
  2. Choosing the Right Hair Thickener for Your Hair Type
  3. Step-by-Step Guide to Applying Hair Thickener Effectively
  4. Our Top Recommendations for Hair Thickeners
  5. Tips for Maintaining Fuller Hair After Using Thickening Products

Overview

1. Comparison winner
BOLDIFY Hair Fibres for Thinning Hair Unisex Dark Brown 28g
Our rating
9,8
very good
BOLDIFY Hair Fibres for Thinning Hair Unisex Dark Brown 28gAvailable immediately
2. Bestseller
BOLDIFY Hair Fibres 28g - Black
Our rating
9,8
very good
BOLDIFY Hair Fibres 28g - BlackAvailable immediately
Natural Hair Growth Oil with Biotin & Argan Oil
Our rating
9,6
very good
Natural Hair Growth Oil with Biotin & Argan OilAvailable immediately
Aveda Thickening Tonic 100ml
Our rating
9,6
very good
Aveda Thickening Tonic 100mlAvailable immediately
5. Best value
Aveda Thickening Tonic 30ml for thin and fine hair
Our rating
9,6
very good
Aveda Thickening Tonic 30ml for thin and fine hairAvailable immediately
Color Wow Carb-Infused Cocktail Thickening Treatment for Fine Hair, 200ml
Our rating
9,6
very good
Color Wow Carb-Infused Cocktail Thickening Treatment for Fine Hair, 200mlAvailable immediately
GIFBEA Hair Growth Shampoo and Conditioner Set with Rosemary Oil
Our rating
9,5
very good
GIFBEA Hair Growth Shampoo and Conditioner Set with Rosemary OilAvailable immediately
Sebastian Professional Thickefy Foam Volumising Thickener for Fine Hair, 190ml, with Heat Protection
Our rating
9,5
very good
Sebastian Professional Thickefy Foam Volumising Thickener for Fine Hair, 190ml, with Heat ProtectionAvailable immediately
Our product comparisons are:
Always up to date:
At most every 120 days, we update each category with new products and research developments in the top rankings. This ensures that our recommendations are always up to date
Neutral and independent:
Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
Similar tests and comparisons - Hair Styling