These Are The 11 Best Hair Thickening Serums To Try In 2022

Enjoy a head full of thick, voluminous hair as you channel your inner Disney princess

By Oyendrila Kanjilal, Certified Skin Care Coach
All products recommended on StyleCraze are independently selected by our editorial team. If you make a purchase through any of these links, we may receive a commission. Learn more about our product selection process here.

Not everyone is blessed with thick, dense, and healthy-looking hair. There are many reasons that you may have fine, flat, or sparse hair, but do not worry. Hair thickening serums can help you.  These serums work in two ways – some of them penetrate and plump the hair strands to make fine hair appear thick and full, and some promote hair growth. You can choose either one, depending on your needs. This article lists the 11 best hair thickening serums that can volumize your hair. Scroll down to check them out.

Our Top PicksCheck Price
Best Sulfate-Free: Best Overall:Toppic Hair Fattener Advanced Thickening SerumPrice on Amazon
Best Gluten-Free: Best For Flake Prevention:Eufora Thickening SerumPrice on Amazon
Best For All Hair Types: Best For All Hair Types:Hair Restoration Laboratories Maximum Hair Thickening SerumPrice on Amazon
Best Vegan: Best DHT Blocker:PURA D’OR Mountain Top Biotin Hair Thickening Scalp SerumPrice on Amazon
Best Non-Greasy: Best Non-Greasy Formula:SeroVital Hair Regeneres Advanced Hair Thickening SerumPrice on Amazon
Best Drug-Free: Best Drug-Free Option:Good Lab Blooming & Thickening SerumPrice on Amazon
Best Handcrafted: Best For Strength And Elasticity:AG Hair Care Root Thikkening SerumPrice on Amazon
Best Paraben-Free: Best Color-safe Formula:Tela Beauty Organics Hair Thickening serumPrice on Amazon
Best Hypoallergenic: Best For Hair Growth:Ker Max Thickening Hair SerumPrice on Amazon
Best Ultra-Lightweight Formula: Best Ultra-Lightweight Formula:Samy Fat Hair Thickening SerumPrice on Amazon

11 Best Hair Thickening Serums – Reviews

1. Best Sulfate-Free: Best Overall:Toppic Hair Fattener Advanced Thickening Serum

The Toppic Hair Fattener Advanced Thickening Serum is formulated for fine or thin hair. It has a concentrated keratin formula that maximizes each hair strand to make it appear fuller and thicker. The serum also contains vitamin E that boosts and nourishes the hair shafts. This product is safe for color-treated hair.

Key Ingredients: Vitamin E and Keratin

Pros

  • Sulfate-free
  • Paraben-free
  • Pleasant smell
  • Lasts long
  • Hygienic pump dispenser

Cons

  • May dry out the hair

2. Best Gluten-Free: Best For Flake Prevention:Eufora Thickening Serum

The Eufora Thickening Serum promotes hair growth.  It is formulated with a ProAmino Cell Complex that includes butyl avocadate that regulates 5-alpha reductase and sebum production and neem seed oil to reduce scalp dryness and irritation. The complex also contains peppermint and citrus oil that promote oxygen flow to the scalp and licorice root extract to prevent flakiness.

Key Ingredients: ProAmino Cell Complex

Pros

  • Gluten-free
  • Mineral oil-free
  • Paraben-free
  • Petrolatum-free
  • Vegan

Cons

None

3. Best For All Hair Types:Hair Restoration Laboratories Maximum Hair Thickening Serum

The Maximum Hair Thickening Serum by Hair Restoration Laboratories is clinically tested by trichologists and promotes hair growth. It is developed with DHT Halting Technology, a blend of proprietary extracts, and contains a high percentage of DHT blockers to prevent pattern baldness. This serum supports healthy hair growth, giving you shiny, thicker, and manageable hair. Before buying, have a look at this video for more details.

Key Ingredients: DHT Halting Technology (Pumpkin seed and Green tea extracts, Keratin, Saw palmetto, Biotin, Caffeine, Coconut, and Argan oils)

Pros

  • No animal testing
  • Paraben-free
  • Sulfate-free
  • Phthalate-free
  • Silicone-free
  • Suitable for all hair types

Cons

  • Strong chalky odor

4. Best Vegan: PURA D’OR Mountain Top Biotin Hair Thickening Scalp Serum

The Mountain Top Biotin Hair Thickening Scalp Serum by PURA D’OR improves blood circulation to the scalp, promoting hair growth.  This serum contains saw palmetto, biotin, and caffeine that block DHT, a hormone that causes hair loss, and nourishes the follicles to promote hair growth. It also contains tea tree oil that prevents itchiness and dryness and keeps the scalp healthy.

Key Ingredients: Biotin, Caffeine, and DHT blockers

Pros

  • Contains natural ingredients
  • Sulfate-free
  • Paraben-free
  • No animal testing
  • Hypoallergenic
  • Vegan

Cons

  • Slow results

5. Best Non-Greasy: Best Non-Greasy Formula:SeroVital Hair Regeneres Advanced Hair Thickening Serum

The SeroVital Hair Regeneres Advanced Hair Thickening Serum works by strengthening the weak follicles and preventing hair fall. It contains a unique Anchoring Complex that optimizes the scalp environment and revives the weak hair follicles to prevent hair fall. This complex contains raspberry ketone that fights gray hair by preventing color from fading.

Key Ingredients: Raspberry ketone

Pros

  • Non-greasy
  • Clinically-tested
  • Paraben-free

Cons

None

6. Best Drug-Free: Best Drug-Free Option:Good Lab Blooming & Thickening Serum

The Good Lab Blooming & Thickening Serum contains a proprietary blend of hair specific vitamins and DHT blockers to promote hair growth. It contains biotin, nettle leaf extract, and saw palmetto that nourishes the hair roots to encourage growth. The guava leaf extract promotes hair growth and controls dandruff, peptides block DHT, and naturally-derived caffeine stimulates the hair follicles. This serum fortifies hair shaft elongation and expands the hair growth cycle to give you a thicker and fuller mane.

Key Ingredients: Biotin, Caffeine, Nettle leaf, and Saw palmetto

Pros

  • Contains organic ingredients
  • Safe for colored hair
  • Drug-free
  • Sulfate-free

Cons

  • Expensive

7. Best Handcrafted: Best For Strength And Elasticity:AG Hair Care Root Thikkening Serum

The AG Hair Care Root Thikkening Serum stimulates the roots to promote healthy hair growth. It is fortified with a Regenerative Complex that includes pea sprout extract, ginseng, and ginger to maintain a healthy scalp environment and facilitate hair growth.  The serum also contains panthenol to thicken the hair shaft and make your hair appear fuller and silk proteins to add moisture, elasticity, and strength.

Key Ingredients: Pea sprout, Ginger, and Ginseng extracts

Pros

  • Handcrafted
  • Contains natural ingredients

Cons

  • Contains alcohol denat and urea

8. Best Paraben-Free: Best Color-safe Formula:Tela Beauty Organics Hair Thickening serum

The Tela Beauty Organics Hair Thickening Serum amplifies each hair strand from root to tip to make it appear thicker. This lightweight serum contains certified organic baobab oil and a patent-pending Hydro Pelusi Ceramide Complex that plumps the hair strands without making them frizzy. The blend of sugar cane, sugar maple, orange, and lemon extracts soothes your hair and scalp.

Key Ingredients: Baobab oil and Hydro Pelusi Ceramide Complex

Pros

  • Vegan
  • Gluten-free
  • Paraben-free
  • Color-safe

Cons

  • Maay weigh the hair down

9. Best Hypoallergenic: Best For Hair Growth:Ker Max Thickening Hair Serum

The Ker Max Thickening Hair Serum accelerates the health of the scalp and hair follicles to promote hair growth. It contains an exclusive KerGro 3X-p formula that includes fruit stem cells, peptide amino acids, and botanical extracts to facilitate hair growth. This serum also balances excessively dry and oily scalps to maintain an optimum environment for hair growth.

Key Ingredients: Fruit stem cells, Peptide amino acids, and Botanical extracts

Pros

  • Gluten-free
  • Paraben-free
  • Hypoallergenic
  • Ammonia-free
  • Cruelty-free

Cons

None

10. Best Ultra-Lightweight Formula: Best Ultra-Lightweight Formula:Samy Fat Hair Thickening Serum

The Samy Fat Hair Thickening Serum has an ultra-lightweight formula. It contains soy protein, citric acid, and other natural extracts that evenly coat each strand of hair and expand their dimension to thicken them. The serum also strengthens and fortifies weak hair strands.

Key Ingredients: Glycerin, Citric Acid, and Soy protein

Pros

  • Lightweight
  • Contains natural extracts

Cons

  • Sticky

11. Best Alcohol-Free: Best For Hair Manageability:Hobe Labs Energizer Hair Thickening Serum

The Hobe Labs Energizer Hair Thickening serum instantly thickens hair strands and volumizes your locks. It contains a proprietary Bio-Ferm Herbal Complex and vitamin B5, wheat proteins, and amino acids that penetrate the scalp and cortex to provide nutrients and strengthen them. The serum also improves hair manageability and offers a light hold.

Key Ingredients: Wheat protein, Amino acids, Bio-Ferm Herbal Complex, and Vitamin B5

Pros

  • Cruelty-free
  • Alcohol-free
  • No artificial colors

Cons

  • Overpowering floral scent

Thick and dense hair appears healthy, but not everyone has such hair. Fret not! People with thin hair can now turn their hair thicker with the help of the right serum. Some of the serums on our list lift the hair strands, making them appear fuller, while some boost the hair growth and strengthen the hair strands making them thicker. Some others prevent hair fall and strengthen the weaker hair follicles. Investing in the best hair thickening serums would help you get volume in your thin hair. However, try and avoid serums that are loaded with harmful chemicals as they are not safe for your hair.

Frequently Asked Questions

Do hair-thickening serums really work?

Yes, hair-thickening serums containing potent ingredients like biotin, DTH blockers, and caffeine work effectively. Such formulas moisturize and nourish the scalp and increase blood circulation to stimulate the hair follicles and improve the appearance of the hairline.

How do you use hair thickening serum?

Here’s how you can use hair thickening serums:
• Wash your hair before applying the serum.
• Pick the best serum that is made for your specific hair type and concern.
• Fill the dropper and apply the serum directly onto the scalp where you experience hair loss
• Gently massage the serum into the scalp using your fingertips.

Does a hair thickening serum cause hair to thin?

No, hair thickening serums aid hair growth and protect your strands from further damage.

Can we use hair thickening serum daily?

Yes, you can use the hair-thickening serum every day on damp hair. Use it after a hair wash for the best results.

Does hair thickening serum have side effects?

Hair thickening serum alone has no side effects. However, do check out the ingredients list before choosing a product to make sure you are using only gentle, potent, and non-toxic formulas.

Recommended Articles

The following two tabs change content below.
Oyendrila holds a master's degree in English Literature from the University Of Calcutta, West Bengal, and is a certified skincare... more

LATEST ARTICLES