10 Best Hair Thickening Serums

Do you have thin, flat, or sparse hairs? Can thin hairs become thick again?

These are the common hair problems that arise because of many reasons such as pollution, genetically, hormonal changes, and more.

To make hairs healthy, thick, and dense, you have to find and choose the right magical product known as hair thickening serums. There are several types of hair thickening serums which work on the surface level.

They are mainly intended to control frizz, make fine hair appear thick and full. Some of them promote hair growth also. You can choose either one depending upon your need.

This article lists the 10 best hair thickening serums that gives volume to your hair. Scroll down to check them out.

1. Toppik Hair Fattener Advanced Thickening Serum

Toppik Hair Fattener is one of the best hair thickening styling products that work wonders on hair which are fine or thinning out.

It helps add volume and thickness and at the same time, makes hair shine like never before. For noticeably thicker and fuller hair, it contains a concentrated keratin formula full of essential nutrients.

The product is mainly for people with balding scalps and hair lines.


  • For noticeably thicker and fuller hair, it has concentrated keratin formula which maximizes each hair strand.
  • Gives value for money.
  • Not sticky or greasy in any way.


  • Product contains acrylates, which may be bad for color damage in hair.

2. Eufora Thickening Serum

The best hair thickening product for fine, thin hairs. The lightweight formula does not weigh thinning hair down, hence promoting healthy growth of hair.

It contains oil from Neem seeds, which has antiseptic as well as antibacterial benefits. These features help reduce irritation and dryness of the scalp.

Citrus and Peppermint Oil increases the flow of oxygen in the scalp. The extracts of Licorice Root help reduce flaking and scalp itching.


  • It does not contain mineral oil, petroleum, paraben, or gluten, which is harmful for hair.
  • Contains certified organic aloe.
  • It is vegan.


  •  May feel sticky in your hair.

3. Hair Restoration Laboratories Maximum Hair Thickening Serum

The best hair thickening product contains high levels of the proprietary DHT Halting Technology, which helps in blocking the damaging effects of dihydrotestosterone (“DHT”), which is the cause of hair loss, irrespective of male or female pattern.

For a thicker and fuller looking hair, as well as a healthier scalp, apply half of the dropper to your hair, massage, and proceed to style your hair!


  • Contains maximum concentration of DHT Halting Technology.
  • Effective for both men and women.
  • Free of parabens, silicon, sulfates and other harmful, artificial ingredients.


  • Has a strong odor.
  • May cause irritation or itching.

4. MOUNTAIN TOP Hair Thickening Scalp Serum

The best hair & scalp treatment product that will produce fuller and healthier hair. Only natural contents like Biotin, Argan Oil, DHT Blockers, Caffeine, Saw Palmetto get blended together to speed up your hair growth.

The key active ingredients present in this serum are important for the purpose of soothing itchy and dry scalp.

It does so by way of penetrating deep into the scalp thereby stimulating hair follicles, strengthening the roots to promote healthier, fuller, and thicker hair.


  • Consists of only natural ingredients
  • Free of harmful chemicals.
  • Provides hydration to hair and scalp, lessens drying.


  • Has a strong odor.

5. SeroVital Hair Regeneres Advanced Hair Thickening Serum

One of the best hair thickening serums, it is formulated to fight grays and make hair appear thicker and fuller with a unique agent often known as the unique anchoring complex.

For thicker fuller-looking hair optimize the scalp situation. You need to massage two droppers of SeroVital serum everyday at night, until it is fully absorbed into your scalp.


  • Rejuvenates the scalp.
  • One of the best hair thickening products for black hair, it maintains natural color
  • Makes hair look thicker.
  • Increases strength and reduces hair fall.


  • May cause irritation or itching.

6. Good Lab Blooming and Thickening Serum

This nourishing, best thickening serum for hair is formulated to promote growth of hair as well as scalp balance, making it perfect for hair-loss reduction and treatment.

This hair regrowth serum increases the volume of your hair, as well as helps with balding or receding hairline, or for damage repair. With 10+ DHT blockers, it is formulated to deliver real results.


  • It is dermatologist tested, vegan, certified by PETA-certified as well as free of SLS/SLES, phthalates, drugs, and parabens.
  • Contains DHT Blockers and Hair Healthy Natural Ingredients.
  • It is free from drugs and sulfates


  • None

7. AG Hair Volume Root Thikkening Serum

It is the best root thickening serum to buy for thinning and fine hair, and contains highly concentrated AG’s Regenerative Complex.

To help stimulate hair growth, pea sprout extracts get deep into the hair follicles. The root of the hair is plumped by polymers which gives an immediate appearance of fuller hair.

With menthol, you get a tingling sensation which stimulates your scalp and brings a healthy blood flow.


  • Increases the volume of thinning hair, starting right from the roots.
  • It has Silk proteins which are known for adding moisture, elasticity, strength as well as shine.
  • It has Ginger root extract which acts as anti-inflammatory, anti-oxidant as well an antiseptic agent.


  •  May cause your scalp to get itchy or flaky.

8. Tela Beauty Organics Hair Thickening Serum

This serum coats every strand of hair amplifying it with absolute weightless volume from the very root of every stand with this serum.

It protects, hydrates, restores. Anti-aging protection ensures thicker, healthier hair. Baobab protein increases hair volume, and gives thickness as well as flexible strength. It locks in color, moisture, strength, and shine.


  • It purifies, renews and soothes the hair as well as the scalp.
  • Ensures supple styling control without frizz, one of the best hair thickening products for curly hair.


  • May make your hair look flat.

9. Ker Max Thickening Hair Serum

The best hair thickening serums conditioner, it thickens and revitalizes hair that has started receding or thinning. Nourishes scalp to encourage healthy looking hair. Gives the hair an overall healthy look.

It is Made in France with the “KerGro 3X-p” formula. This helps in blending natural ingredients like peptide amino acids, fruit stem cells, and botanical extracts in an improvised cosmetic technology system.


  • Reduces itchy and dry scalp.
  • Balances out oily or dry scalps for hair regrowth strength and radiance.
  • Increases scalp and hair follicle health to reverse the process of hair thinning.


  • A bit pricey.

10. Hobe Labs Energizer Hair Thickening Serum

A serum full of ingredients that gives sheer thickness to your already existing hair, reduces hair loss, as well as circulates blood flow in the scalp and follicles in a condition ideal for hair growth, as well as to prevent hair loss.

It immediately starts thickening the thinning hair for healthier and fuller hair. One of the best hair thickening serums with a price check.


  • Helps improve the hair texture and adds volume.
  • Key nutrients present in it help in penetrating the scalp as well as cortex, building strength in the process.
  • Contains Wheat Proteins, Amino Acids, Vitamin B5, proprietary Bio-Ferm Herbal Complex and proprietary Bio-Ferm Herbal Complex 
  • Devoid of artificial colors or alcohols.


  • None.

This was our best hair thickening products reviews. Out of the ten products we suggest you go for the Toppik Hair Fattener Advanced Thickening Serum, although most of the others go well too!

What do you think?

Written by Harry Smith

She is a professional beauty writer & blogger. Self confessed handbag addict, enjoys Netflix and online shopping :) in her free time.

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