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The Best Hair Thickeners We Reviewed in 2025

The Best Hair Thickeners We Reviewed in 2025
The reviews of the products in this article are created by a team of experts that is independent from the editorial team of Israel Hayom. If you make a purchase through the links mentioned below, we may receive a commission.

Unlock the secret to thicker, fuller hair with the best hair thickeners of 2025—volume starts here!

Our Top Picks

1. Jump to Review
Keranique Hair Thickening Spray for Volume
2. Jump to Review
Boldify Hair Thickening Spray
3. Jump to Review
Nutrafol Women’s Balance Hair Growth Supplements
4. Jump to Review
Nioxin Hair Thickening Serum with Caffeine
5. Jump to Review
TOPPIK Hair Building Fibers Dark Brown

Are you tired of dealing with thin, lifeless hair that lacks volume and bounce? Finding the right hair thickener can transform your look by adding body and fullness to your strands. Whether you’re experiencing thinning hair due to age, styling damage, or genetics, a good thickening product can make a noticeable difference. In this guide, we’ll explore some of the best hair thickeners available, helping you achieve the lush, voluminous hair you’ve always wanted. Discover how these products can boost your confidence and enhance your hair’s natural beauty.

1

Keranique Hair Thickening Spray for Volume

Fine hair can sometimes feel lifeless, but a good hair thickener can make all the difference. This lightweight spray boosts volume, giving your roots a noticeable lift without weighing strands down. Infused with Keratin Amino Complex, it strengthens each hair shaft, helping to reduce breakage and mend split ends. Whether you’re blow-drying or styling, it adds texture and fullness while protecting against heat damage. Plus, it’s free from parabens, sulfates, and dyes, making it a safer choice for your hair. Achieve a salon-like finish with extra hold and shine—all in a cruelty-free formula designed for thinning hair.

Rated 9.9
based on 10
JPOST

Pros & Cons
+
Strengthens thinning hair
+
Protects against heat damage
+
Adds noticeable volume

Slightly firm hold

2

Boldify Hair Thickening Spray


Boldify Hair Thickening Spray

$20.66
$22.95

This hair thickener is a game-changer for anyone looking to add volume without the sticky, heavy feel. It lifts and thickens hair instantly, giving a fuller, more textured look that lasts all day. The lightweight formula won’t leave behind residue or buildup, so your hair stays fresh and manageable. Packed with essential minerals, it also helps absorb excess oil, keeping your scalp clean while enhancing your style. Perfect as a pre-styler, it provides a light hold that makes styling effortless. Whether you have short or long hair, this spray gives a natural, touchable boost without weighing it down.

Rated 9.5
based on 10
JPOST

Pros & Cons
+
Instant volume boost
+
Lightweight and non-greasy
+
Enhances texture effortlessly

Works better with blow-drying

3

Nutrafol Women’s Balance Hair Growth Supplements

This hair thickener supplement is designed specifically for women 45+ who want visibly fuller, stronger hair. Aging, hormonal shifts, and metabolism changes can affect hair health, but this physician-formulated solution targets these root causes. Packed with clinically proven ingredients, it supports scalp coverage and promotes healthier, more resilient strands over time. Dermatologist-recommended, this formula works from within to nourish hair and improve overall wellness. Just take four capsules daily with a meal, and in a few months, you’ll start seeing noticeable results. It’s a simple, effective way to give thinning hair the support it needs.

Rated 9.3
based on 10
JPOST

Pros & Cons
+
Clinically proven formula
+
Supports scalp coverage
+
Targets hormonal hair thinning

Requires daily commitment

4

Nioxin Hair Thickening Serum with Caffeine

This hair thickener serum is a simple yet powerful way to achieve thicker, fuller-looking hair. Infused with caffeine, niacinamide, and panthenol, it instantly boosts hair diameter while strengthening strands to reduce breakage. Daily use helps protect hair, allowing it to grow longer and healthier over time. The lightweight formula absorbs quickly without leaving a greasy residue, making it easy to incorporate into your routine. Just apply directly to the scalp, massage in, and let it work—no rinsing needed. Pair it with other hair care products for even better results and enjoy a more voluminous, resilient look.

Rated 8.9
based on 10
JPOST

Pros & Cons
+
Instantly thickens hair
+
Strengthens to reduce breakage
+
Lightweight and non-greasy

Mild tingling sensation upon application

5

TOPPIK Hair Building Fibers Dark Brown

This hair thickener offers an instant way to make fine or thinning hair look naturally fuller. Made from keratin-based fibers, it clings to existing strands, blending seamlessly for a thicker appearance in seconds. Available in nine shades for men and women, it provides a natural look that lasts all day—no mess, no hassle. The fibers stay in place until your next wash, giving you confidence without worry. Just shake or spray onto dry, styled hair, gently pat to set, and you’re good to go. It’s an easy, non-invasive way to boost hair volume whenever you need it.

Rated 8.6
based on 10
JPOST

Pros & Cons
+
Instantly conceals thinning areas
+
Blends naturally with hair
+
Stays in place until washed

May transfer slightly if touched

6

Paul Mitchell Extra-Body Thicken Up Styling Liquid

This hair thickener is perfect for fine hair that needs extra body without feeling heavy. The lightweight styling liquid adds noticeable volume while keeping hair soft and manageable. Whether applied to damp or dry hair, it enhances fullness and provides flexible hold for effortless styling. Infused with UV protection, it helps shield strands from sun damage while maintaining a healthy look. Plus, the formula is vegan, paraben-free, and gluten-free, making it a great choice for those who want a cleaner hair care option. It’s an easy way to boost volume while keeping your hair looking naturally full and healthy.

Rated 8.5
based on 10
JPOST

Pros & Cons
+
Adds weightless volume
+
Provides UV protection
+
Free of parabens and gluten

Works best with heat styling

FAQ

Q: How does a hair thickener work?

A: A hair thickener typically works by coating each strand of hair, making it appear fuller and denser. Some thickeners contain ingredients like keratin or proteins that temporarily swell the hair shaft for a thicker look.

Q: Can a hair thickener help with thinning hair?

A: Yes, a hair thickener can be very effective for those with thinning hair. It adds volume and body, making hair look fuller and more robust, which can boost confidence and enhance styling options.

Q: How often should I use a hair thickener?

A: Most hair thickeners can be used daily or as needed, depending on your hair type and styling routine. It’s best to follow the product instructions to avoid buildup and ensure optimal results.

Q: Are hair thickeners safe for color-treated hair?

A: Many hair thickeners are formulated to be safe for color-treated hair. Look for products that specify they are color-safe to ensure they won’t strip or alter your hair color.

Q: What should I look for in a good hair thickener?

A: A good hair thickener should be lightweight, non-greasy, and easy to apply. Look for products with ingredients that suit your hair type and needs, such as volumizing agents or nourishing extracts for added benefits.

Article Contributors

Israel Hayom Shopping Team

Israel Hayom Shopping team provides authoritative advice and reviews, distinct from the editorial team, to inform your decisions. To guarantee the correctness of product sizes, availability, and prices, AI tools are utilized in the process.

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