Best Hair Thickening Products in Canada for Fuller, Voluminous Hair

Fine, flat or thinning-looking hair can be frustrating, especially when your style loses volume shortly after blow-drying. Whether your hair is naturally fine, lacks body at the roots or feels less substantial than it once did, the right professional products can make a noticeable difference.

The best hair thickening products in Canada help existing hair look and feel fuller by adding body, texture, root lift and movement—without unnecessary weight.

At Hair Care Canada, we carry authentic professional hair care from Kevin Murphy, Eleven Australia, Pureology and other salon brands. From thickening shampoos and conditioners to leave-in treatments and volumizing stylers, there are effective options for different hair types and styling needs.

This guide explains which products to choose, how they differ and how to build a simple routine for thicker, fuller-looking hair.

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What Are the Best Hair Thickening Products in Canada?

The best hair thickening product depends on what you want to achieve.

Some formulas make individual strands feel more substantial. Others create lift at the roots, improve texture or help fine hair maintain volume throughout the day.

The most useful product categories include:

• Thickening shampoos and conditioners: Provide a lightweight foundation for fuller-looking hair.

• Leave-in thickening treatments: Help create body, improve manageability and support stronger-feeling strands.

• Thickening lotions: Add immediate styling fullness and texture.

• Root-lifting sprays and mousses: Create height, movement and volume.

• Volumizing powders: Deliver targeted lift and grip, particularly around flat roots.

For most people, a lightweight shampoo and conditioner paired with one well-chosen styling treatment is a practical starting point.

Best Professional Hair Thickening Products in Canada

1. Kevin Murphy PLUMPING.WASH & PLUMPING.RINSE — Best Thickening Shampoo and Conditioner

Kevin Murphy's PLUMPING range is designed for fine, thinning-looking and ageing hair that needs additional body, strength and fullness.

This coordinated shampoo and conditioner system helps hair look and feel more substantial while maintaining softness and manageability.

Best for: Fine, limp, ageing or thinning-looking hair that needs a fuller appearance.

Why we recommend it:

• Helps create fuller-looking, thicker-feeling hair.

• Provides a coordinated shampoo and conditioner routine.

• Improves softness and manageability.

• Supports body and natural movement.

• Prepares hair for additional thickening and volumizing treatments.

PLUMPING.WASH cleanses while supporting the appearance of fuller hair.

PLUMPING.RINSE conditions and helps improve the feel of fragile strands without compromising the goal of added body.

For regular users, the Kevin Murphy PLUMPING 1000ml shampoo and conditioner litre duo is a convenient way to maintain a consistent professional routine.

Our recommendation: If your hair is fine and has gradually lost fullness, start with PLUMPING.WASH and PLUMPING.RINSE before adding additional styling treatments.

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2. Kevin Murphy FULL.AGAIN — Best for Immediate Styling Thickness

If your main concern is hair that looks flat, limp or lacking in substance, Kevin Murphy FULL.AGAIN Thickening Lotion is an excellent styling choice.

Unlike a shampoo or scalp-focused treatment, FULL.AGAIN is designed to make existing strands look and feel fuller during styling.

Best for: Fine, flat or limp hair needing immediate styling thickness and body.

Why we recommend it:

• Creates thicker-feeling, fuller-looking hair.

• Adds body and styling support.

• Helps improve the appearance of fine strands.

• Supports natural movement.

• Complements Kevin Murphy ANGEL and PLUMPING hair-care routines.

How to use: Apply a small amount to damp, towel-dried hair, concentrating on areas requiring more body. Blow-dry and style as desired.

Start with a small amount, particularly if your hair is very fine or easily weighed down.

Our recommendation: Choose FULL.AGAIN when your priority is immediate styling fullness rather than a scalp-focused treatment routine.

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3. Kevin Murphy THICK.AGAIN — Best Leave-In Thickening Treatment for Fine, Fragile Hair

If your hair feels increasingly fine, fragile or lacking in substance, Kevin Murphy THICK.AGAIN deserves a place in your routine.

THICK.AGAIN is a leave-in thickening treatment designed to improve the appearance of fullness while supporting stronger-feeling, more resilient hair.

Originally developed with men's thinning-hair concerns in mind, it can also be used by women seeking additional body and thicker-looking strands.

Best for: Fine, fragile, ageing or thinning-looking hair needing added thickness, body and strength.

Why we recommend it:

• Helps hair look and feel thicker and fuller.

• Supports stronger-feeling, more resilient strands.

• Adds body and texture.

• Helps protect fragile hair during styling.

• Provides a lightweight leave-in treatment option.

• Complements professional thickening shampoo and conditioner routines.

How to use: Apply to clean, damp hair, following the product's application directions. Do not rinse. Blow-dry and style as desired.

THICK.AGAIN vs. FULL.AGAIN: What's the Difference?

Both products are designed to help create fuller-looking hair, but they serve different purposes.

THICK.AGAIN is a leave-in thickening treatment better suited to customers concerned about fine, fragile or thinning-looking hair.

FULL.AGAIN is a styling lotion primarily intended to add immediate body, texture and thicker-feeling substance during styling.

Our recommendation: Choose THICK.AGAIN when your priority is a leave-in thickening and strengthening routine. Choose FULL.AGAIN when you primarily want immediate cosmetic thickness and styling body.

For a complete professional routine, pair THICK.AGAIN with Kevin Murphy PLUMPING.WASH and PLUMPING.RINSE.

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4. Kevin Murphy ANTI.GRAVITY.SPRAY — Best for Lightweight Volume and Root Lift

Flat roots can make otherwise healthy hair appear thinner and less voluminous.

Kevin Murphy ANTI.GRAVITY.SPRAY is a lightweight styling spray developed to help create volume, movement and styling support.

Best for: Fine hair, flat roots and styles that need additional lightweight lift.

Why we recommend it:

• Creates body and movement.

• Helps lift hair during blow-drying.

• Offers a lighter alternative to heavier styling creams.

• Supports natural-looking volume.

• Works well with volumizing shampoo and conditioner routines.

How to use: Apply to damp hair before blow-drying, focusing on areas where additional volume is needed. Lift sections away from the scalp while drying.

Our recommendation: Use ANTI.GRAVITY.SPRAY when you want more height at the roots without making the hair feel excessively coated.

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5. Eleven Australia I WANT BODY — Best Everyday Volumizing Range for Fine Hair

Eleven Australia's I WANT BODY collection is a practical choice for customers seeking lightweight volume and fuller-looking hair.

The range combines volumizing shampoos, conditioners and styling products that can be selected according to how much lift or texture you need.

Best for: Naturally fine, flat or limp hair needing everyday body and movement.

I WANT BODY Volume Shampoo

A lightweight cleansing option for hair that needs additional fullness and movement.

I WANT BODY Volume Conditioner

Helps condition and detangle while maintaining the goal of lightweight volume.

I WANT BODY Texture Spray

Adds texture, grip and body for hair that needs more styling movement.

I WANT BODY Volume Foam

Provides styling support for blow-dried volume and fuller-looking hair.

I WANT BODY Volume Powder

Creates targeted lift and texture, particularly at flat roots.

Why we recommend this range:

• Offers a coordinated volumizing routine.

• Provides options for both cleansing and styling.

• Works well for naturally fine hair.

• Allows you to customize how much volume and texture you create.

Our recommendation: Start with I WANT BODY Shampoo and Conditioner, then add the Volume Foam or Volume Powder depending on your styling preferences.

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6. Kevin Murphy POWDER.PUFF — Best for Instant Root Lift

Sometimes hair looks full immediately after styling but loses volume a few hours later.

Kevin Murphy POWDER.PUFF is a volumizing powder designed to add texture and lift directly where it's needed.

Best for: Flat roots, fine hair and hairstyles requiring additional grip and height.

Why we recommend it:

• Creates immediate root lift.

• Adds texture and styling grip.

• Works on dry hair.

• Allows targeted application.

• Helps refresh the appearance of flat styles without another full blow-dry.

How to use: Apply sparingly to dry roots and gently work through with your fingertips to create lift.

Using too much powder can leave fine hair feeling gritty, so begin with a small amount.

Our recommendation: POWDER.PUFF is particularly useful for customers who want quick root volume between washes.

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7. Pureology Pure Volume — Best for Fine, Colour-Treated Hair

Fine, colour-treated hair often needs lightweight conditioning that doesn't leave strands feeling heavy.

Pureology Pure Volume offers a professional volumizing approach designed for hair that needs body while maintaining its colour-care routine.

Best for: Fine, flat or colour-treated hair requiring lightweight volume.

Why we recommend it:

• Supports fuller-looking body and movement.

• Offers lightweight cleansing and conditioning.

• Suits colour-treated hair.

• Helps maintain softness and manageability.

• Provides an alternative to richer moisturizing products that may weigh fine hair down.

Our recommendation: Consider Pureology Pure Volume when your hair is both fine and colour-treated and you want to balance conditioning with additional body.

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Hair Thickening Products Compared: Which Should You Choose?

Product	Best For	Main Benefit
Kevin Murphy PLUMPING.WASH & RINSE	Fine, thinning-looking hair	Fuller-looking cleansing and conditioning
Kevin Murphy FULL.AGAIN	Fine, flat or limp strands	Immediate styling thickness and body
Kevin Murphy THICK.AGAIN	Fine, fragile or thinning-looking hair	Leave-in thickening and strengthening support
Kevin Murphy ANTI.GRAVITY.SPRAY	Flat roots	Lightweight styling lift and volume
Eleven Australia I WANT BODY	Naturally fine, flat hair	Everyday body, texture and movement
Kevin Murphy POWDER.PUFF	Flat roots that lose volume	Instant lift and grip
Pureology Pure Volume	Fine, colour-treated hair	Lightweight body and conditioning

Our recommendation: If your hair is naturally fine, start with lightweight volumizing shampoo and conditioner. Add FULL.AGAIN for styling thickness, THICK.AGAIN for leave-in thickening care, or ANTI.GRAVITY.SPRAY when root lift is your primary concern.

Hair Thickening vs. Hair Volumizing: What's the Difference?

Although the terms are often used interchangeably, thickening and volumizing products can work in different ways.

What Do Hair Thickening Products Do?

Hair thickening products are designed to improve the appearance or feel of individual strands, helping existing hair appear fuller and more substantial.

Thickening lotions and leave-in products may provide additional body, texture and styling support.

Kevin Murphy FULL.AGAIN and THICK.AGAIN are two examples of products that address fuller-looking hair through different approaches.

What Do Volumizing Products Do?

Volumizing products primarily focus on creating lift, movement and height.

They're especially useful when hair lies flat against the scalp or struggles to maintain its shape.

Root-lifting sprays, mousses, texture sprays and volume powders are common examples.

Can You Use Both Together?

Yes, provided the products suit your hair type and don't create excessive buildup.

For example:

• Use Kevin Murphy PLUMPING.WASH and PLUMPING.RINSE as your cleansing and conditioning routine.

• Add THICK.AGAIN as your leave-in thickening treatment.

• Choose a lightweight styling product if additional lift or hold is needed.

For very fine hair, start with fewer products and introduce additional steps only when necessary.

How to Make Fine Hair Look Thicker and Fuller

Achieving fuller-looking hair isn't simply about buying more products. A few changes to your routine can make a noticeable difference.

Step 1: Choose the Right Shampoo

Fine hair can become weighed down by excessive oil and heavy product residue.

Choose a lightweight shampoo designed for fine hair, volume or thickening.

Kevin Murphy PLUMPING.WASH and Eleven Australia I WANT BODY Volume Shampoo are two options worth considering.

Step 2: Use a Lightweight Conditioner

Even fine hair needs conditioning.

Apply an appropriate conditioner through the mid-lengths and ends, adjusting the amount and placement according to your hair.

Avoid overapplying rich formulas near the roots if your hair tends to fall flat.

Step 3: Add a Thickening Treatment or Styling Product

Choose your product based on the result you want.

For fuller-looking, fragile strands: Consider Kevin Murphy THICK.AGAIN.

For immediate styling thickness: Choose Kevin Murphy FULL.AGAIN.

For lightweight root volume: Use Kevin Murphy ANTI.GRAVITY.SPRAY.

For textured lift on dry hair: Try Kevin Murphy POWDER.PUFF or Eleven Australia I WANT BODY Volume Powder.

You don't need every product in the same routine.

Step 4: Blow-Dry for Additional Lift

When blow-drying, lift hair away from the scalp to encourage volume at the roots.

A round brush can help add shape and movement.

Use appropriate heat protection and avoid excessive heat, especially on fragile or colour-treated hair.

Step 5: Finish with Lightweight Styling Products

Heavy oils, creams and excessive finishing sprays can reduce volume.

Apply styling products sparingly and focus on areas where additional body or hold is needed.

The goal is fuller-looking hair that still feels soft and moves naturally.

Why Does Fine Hair Go Flat So Quickly?

Several factors can cause fine hair to lose volume shortly after styling.

Naturally fine strands: Smaller strand diameter can make it more difficult to maintain lifted styles.

Heavy conditioners: Rich formulations may weigh down fine hair when overapplied.

Scalp oil: Excess oil can cause roots to separate and appear flatter.

Product buildup: Excess styling residue can reduce body and movement.

Insufficient styling support: Fine hair may require a targeted mousse, thickening lotion or root-lifting spray.

Humidity: Changes in moisture can affect styling longevity and reduce volume.

If your hair falls flat quickly, simplify your routine before adding more products.

A lightweight shampoo, suitable conditioner and one targeted volumizing product may be all you need.

What Is the Difference Between Fine Hair and Thinning Hair?

Understanding this distinction helps you choose the right products.

Fine hair describes the diameter of individual strands. Fine hair can be naturally abundant but still lack body.

Thinning hair describes a reduction in the number or density of hairs on the scalp.

Hair breakage occurs when existing strands snap, which can make hair look thinner or prevent it from retaining length.

Professional thickening and volumizing products primarily improve the appearance of existing hair.

If you're experiencing actual hair loss or persistent shedding, a different approach may be required.

Can Hair Thickening Products Stop Hair Loss?

No. Cosmetic thickening and volumizing products should not be confused with clinically established hair-loss treatments.

They can help create the appearance of greater fullness, add body and make existing strands feel thicker.

However, they do not automatically reverse hereditary hair loss or restore lost follicles.

If you're experiencing persistent shedding, a widening part, bald patches or unexplained changes in hair density, consider consulting a healthcare professional.

For customers specifically concerned about scalp care and hair thinning, our separate treatment collection offers additional options.

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Frequently Asked Questions About Hair Thickening Products

What is the best hair thickening product in Canada?

The best product depends on your hair type and the result you want. Kevin Murphy FULL.AGAIN is a strong choice for immediate styling thickness, while THICK.AGAIN is designed for leave-in thickening care. PLUMPING.WASH and PLUMPING.RINSE provide a coordinated cleansing and conditioning foundation for fuller-looking hair.

What is Kevin Murphy THICK.AGAIN used for?

Kevin Murphy THICK.AGAIN is a leave-in thickening treatment designed for fine, fragile or thinning-looking hair. It helps improve the appearance of fullness and supports stronger-feeling strands as part of a regular hair-care routine.

What is the difference between Kevin Murphy THICK.AGAIN and FULL.AGAIN?

THICK.AGAIN focuses on leave-in thickening and strengthening support for fine or fragile hair. FULL.AGAIN is primarily a styling lotion designed to create immediate body and thicker-feeling texture. Both can help hair appear fuller, but they serve different purposes.

Does Kevin Murphy THICK.AGAIN regrow hair?

THICK.AGAIN is designed to support fuller-looking, stronger-feeling hair. It should not be considered a clinically established treatment for hereditary hair regrowth.

What is the best shampoo for thicker-looking hair?

Kevin Murphy PLUMPING.WASH and Eleven Australia I WANT BODY Volume Shampoo are professional options for customers looking to create body and fullness.

What is the best product for flat roots?

Root-lifting sprays and powders are useful choices. Kevin Murphy ANTI.GRAVITY.SPRAY is suited to styling damp hair, while POWDER.PUFF helps create lift and texture in dry hair.

Can I use THICK.AGAIN and PLUMPING together?

Yes. Kevin Murphy THICK.AGAIN can complement a PLUMPING.WASH and PLUMPING.RINSE routine. Use the shampoo and conditioner first, then apply THICK.AGAIN according to its directions before styling.

Is mousse or thickening lotion better for fine hair?

Mousse is often a good choice for airy body and styling volume. A thickening lotion can be useful when you want existing strands to feel more substantial. The best option depends on your hair texture and styling preferences.

Can thickening products make naturally fine hair permanently thicker?

Cosmetic thickening products primarily create temporary visual and styling benefits. They do not permanently change your natural hair-strand diameter.

Where can I buy professional hair thickening products in Canada?

Hair Care Canada carries authentic professional shampoos, conditioners, leave-in thickening treatments, lotions, volume powders and styling products from Kevin Murphy, Eleven Australia, Pureology and other professional salon brands, with shipping across Canada.

Shop the Best Hair Thickening Products in Canada

Fuller-looking hair doesn't need to involve an expensive or complicated routine.

Whether your goal is more body at the roots, thicker-feeling strands, improved texture or lightweight everyday volume, the right professional products can help transform the way your hair looks and styles.

At Hair Care Canada, we're an authorized Canadian retailer offering authentic professional hair-care products from leading salon brands.

Explore our Kevin Murphy PLUMPING products, THICK.AGAIN leave-in treatment, FULL.AGAIN styling lotion and other professional volumizing solutions to find the combination that suits your hair.

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Professional thickening and volumizing products improve the appearance and styling of existing hair. They are not substitutes for medical diagnosis or treatment of hair loss.