10 Best thicker fuller hair serums of 2026

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1

Thicker Fuller Hair

Thicker Fuller Hair Conditioner Weightless 12 Ounce (355ml) (Pack of 3)
9.8

Exceptional

Our Rating
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2

The Ordinary
The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair, 2 Fl Oz
Main highlights

Enhances Hair Density and Growth
This serum increases hair density, boosts growth, and prevents hair loss with natural ingredients.

Ideal for Thinning Hair and Hair Loss
Perfect for men and women experiencing thinning hair and hair loss.

Praised for Promoting New Hair Growth
Customers frequently note visible new hair growth after use.
9.7

Exceptional

Our Rating

9.9
quality of ingredients

9.7
Simple to use

9.3
Aroma
3

Thicker Fuller Hair
Thicker Fuller Hair Thickening Serum - Thinning Hair Treatment - Hair Volumizer Serum with Natural Ingredients - Fights Breakage - 5 oz
Main highlights

Natural Hair Thickening Benefits
Infused with Mongongo Kernel Oil and Green Coffee Oil for thicker, fuller hair and reduced breakage.

Ideal for Sensitive Scalps
Free from sulfates, parabens, and silicones, perfect for color-treated or sensitive scalps.

Customer Praise for Scalp Nourishment
Aloe Leaf Juice is highly praised for soothing and nourishing the scalp.
Key specs
- Application Method:Serum
- Hair Growth:Cold-Pressed Green Coffee Oil
- Suitable Hair Types:Color-treated hair
- Moisturizing:Aloe Leaf Juice
- Main Ingredient:Mongongo Kernel Oil
9.4

Excellent

Our Rating
4

Thicker Fuller Hair
Thicker Fuller Hair, Root Lifting Serum By, Green, 4 Fl Oz
Main highlights

Volume Enhancement
Designed to tackle thinning hair, promoting thicker, fuller-looking hair.

Ideal for Thinning Hair
Perfect for those seeking volume and control without stickiness.

User Praised Softness
Leaves hair soft, manageable, and not sticky, as noted by users.
9.1

Excellent

Our Rating

8.9
worth the money

8.4
Sound level

8.2
Aroma
5

Thicker Fuller Hair
Thicker Fuller Hair Root Boosting Leave-In Treatment - Leave In Hair Treatment - Natural Volume Builder - Moisturizing Scalp Treatment - 4 oz
Main highlights

Natural Volume Boost
Enriched with Mongongo Kernel Oil and Arginine HCL for thicker hair.

Ideal for Thinning Hair
Perfect for men and women seeking a volumizing solution.

Praised for Scalp Safety
Free from sulfates, parabens, and silicones, ideal for sensitive scalps.
Key specs
- Application Method:Leave-in treatment
- Hair Growth:Arginine HCL nourishes roots
- Suitable Hair Types:Color-treated, sensitive scalp
- Moisturizing:Yes, leave-in treatment
- Main Ingredient:Mongongo Kernel Oil
9.0

Excellent

Our Rating
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6

Thicker Fuller Hair

Thicker Fuller Hair Thickening Serum - Thinning Hair Treatment - Hair Volumizer Serum with Natural Ingredients - Fights Breakage - 2 pc
8.8

Very Good

Our Rating
7

Thicker Fuller Hair
Thicker Fuller Hair Serum Root Lifting Sulfate Free 4 Ounce (Pack of 2)
Main highlights

Key Features
Enhances volume with organic quinoa and caffeine, vegan, sulfate and gluten-free, color safe, cruelty-free for thinning hair.

Ideal Use
Perfect for individuals with thin or thinning hair seeking root lift and scalp nourishment without chemical harshness.

Customer Reviews
Most praised for its effectiveness in adding volume and making hair feel thicker, with noticeable improvements in hair health.
Key specs
- Ingredients:Organic Quinoa, Caffeine
- Hair Type:Thin and Thinning
- Product Dimensions:7.48 x 5.31 x 1.57 inches
- Moisture:N/A
- Usage Instructions:N/A
8.7

Very Good

Our Rating

9.3
Sound level

9.3
worth the money

9.3
Aroma
8

The Ordinary
The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair, 2 Fl Oz
Main highlights

Enhances Hair Density and Growth
This serum increases hair density, boosts growth, and prevents hair loss with natural ingredients.

Ideal for Thinning Hair and Hair Loss
Perfect for men and women experiencing thinning hair and hair loss.

Praised for Promoting New Hair Growth
Customers frequently note visible new hair growth after use.
8.6

Very Good

Our Rating

9.9
quality of ingredients

9.7
Simple to use

9.3
Aroma
9

Marc Anthony
Marc Anthony Grow Long Scalp & Hair Serum - Anti-Breakage Formula Nourish, Strengthen & Hydrate Scalp & Hair Follicles - Natural Shine & Fuller-Looking Hair Strands from Root to Tip, 2 fl oz

13% Off
Main highlights

Strengthens Hair Fibers
Marc Anthony Grow Long Serum fortifies hair at the root, preventing breakage and promoting longer, stronger hair.

Ideal for All Hair Types
Perfect for use on damp or dry hair, this serum suits any hair type, enhancing shine and reducing frizz.

Non-Greasy Formula
Customers appreciate the serum's lightweight, non-oily texture, which leaves hair soft and manageable without residue.
Key specs
- Ingredients:Rosemary Oil, Caffeine, Ginseng, Biotin
- Hair Type:All hair types
- Product Dimensions:6.18 x 1.89 x 1.5 inches
- Moisture:Moisturizing
- Usage Instructions:Apply to scalp, massage, comb
8.5

Good

Our Rating
10

Marc Anthony
Marc Anthony Grow Long Scalp & Hair Serum - Anti-Breakage Formula Nourish, Strengthen & Hydrate Scalp & Hair Follicles - Natural Shine & Fuller-Looking Hair Strands from Root to Tip, 2 fl oz

13% Off
Main highlights

Strengthens Hair Fibers
Marc Anthony Grow Long Serum fortifies hair at the root, preventing breakage and promoting longer, stronger hair.

Ideal for All Hair Types
Perfect for use on damp or dry hair, this serum suits any hair type, enhancing shine and reducing frizz.

Non-Greasy Formula
Customers appreciate the serum's lightweight, non-oily texture, which leaves hair soft and manageable without residue.
Key specs
- Ingredients:Rosemary Oil, Caffeine, Ginseng, Biotin
- Hair Type:All hair types
- Product Dimensions:6.18 x 1.89 x 1.5 inches
- Moisture:Moisturizing
- Usage Instructions:Apply to scalp, massage, comb
8.4

Good

Our Rating

10 Best thicker fuller hair serums of 2026

1

Thicker Fuller Hair Conditioner Weightless 12 Ounce (355ml) (Pack of 3)

How do we rank?

How do we rank?

Analyzing top stores

2

The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair, 2 Fl Oz

9.9

9.7

9.3

3

Thicker Fuller Hair Thickening Serum - Thinning Hair Treatment - Hair Volumizer Serum with Natural Ingredients - Fights Breakage - 5 oz

4

Thicker Fuller Hair, Root Lifting Serum By, Green, 4 Fl Oz

8.9

8.4

8.2

5

Thicker Fuller Hair Root Boosting Leave-In Treatment - Leave In Hair Treatment - Natural Volume Builder - Moisturizing Scalp Treatment - 4 oz

6

Thicker Fuller Hair Thickening Serum - Thinning Hair Treatment - Hair Volumizer Serum with Natural Ingredients - Fights Breakage - 2 pc

7

Thicker Fuller Hair Serum Root Lifting Sulfate Free 4 Ounce (Pack of 2)

9.3

9.3

9.3

8

The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair, 2 Fl Oz

9.9

9.7

9.3

9

Marc Anthony Grow Long Scalp & Hair Serum - Anti-Breakage Formula Nourish, Strengthen & Hydrate Scalp & Hair Follicles - Natural Shine & Fuller-Looking Hair Strands from Root to Tip, 2 fl oz

10

Marc Anthony Grow Long Scalp & Hair Serum - Anti-Breakage Formula Nourish, Strengthen & Hydrate Scalp & Hair Follicles - Natural Shine & Fuller-Looking Hair Strands from Root to Tip, 2 fl oz

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