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  • Travel Size Option of Boldify Hair Thickening Shampoo Bottle with 2 oz or 60ml.
  • Boldify Hair Thickening Shampoo Bottle with 8oz or 236ml and packaging box.
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Hair Thickening Shampoo - Natural Volumizing Shampoo for Fine Hair

Rated 4.8 stars
1,747 Reviews
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Thicker, fuller, more voluminous hair from the first wash! Boldify's powerful hair thickening shampoo is one of the best hair thickening products for women and men. Instantly absorbing like hair oil deep into each shaft to nourish and strengthen strands, promoting thicker, fuller, softer hair and creating natural volume from the very first use.

Mega volume and thickness: Instantly boost volume, body, and thickness with the BEST volumizing shampoo for all hair types! Boldify Hair Thickening Shampoo plumps and lifts each strand for perfect volume and a naturally fuller finish (even in baby-fine, thin or flat hair).

Banish excessive breakage: Boldify's color-safe shampoo complex is infused with hair-strengthening Biotin, plus extra-concentrated Aloe Vera and Rosemary Extract. Pure, natural, hair-safe ingredients provide an effortlessly superior clean for big, bouncy volume today, and reduce breakage for longer, stronger locks tomorrow.

Fight excess hair loss: The ultimate vitamin-packed hair thickener, Boldify anti-hair loss shampoo works flawlessly with our Hair Thickening Conditioner to promote a well-nourished, moisture-balanced, debris-free scalp and happier, healthier follicles - to minimize hair fall outside of the normal growth cycle & maximize strand retention!

Premium value, premium performance: You’re reaping all the color-safe benefits of stylist-formulated, salon-quality, sulfate-free scalp & strand nutrition in the comfort and convenience of your own home - without the hassle of making an appointment and spending an hour or more in the chair - for less than half the cost of a single shampoo & style!

USA-made, no harmful chemicals - results guaranteed: Proudly crafted in the USA under GMP guidelines - without harmful chemicals like parabens or SLS - and never tested on animals - 100% cruelty-free. You can rest assured you’ll see thicker hair and a fuller finish from this pure, potent, gentle hair thickening shampoo for men and women - or we’ll refund you the purchase price. No questions asked, no return required!

Over 250,000 happy, beautiful customers have already transformed their tresses with Bolidfy!

Crafted By Expert Stylists


The extra concentrated Aloe Vera, Rosemary extract, and vitamins and minerals in BOLDIFY's Hair Thickening Shampoo work in unison – removing DHT (a root cause of hair loss) and absorbing excess oil, then balancing moisture for a healthy, clean-feeling scalp that’s prepped for maximum strand retention.

THIN, FLAT, FINE HAIR WEIGHING YOU DOWN? BOLDIFY’s Hair Thickening Shampoo goes to work on contact, instantly infusing into your hair shafts and nourishing from the inside to banish breakage and thicken, strengthen and silken hair – for that full-volume look you want to see every day.​

Water/Aqua/Eau, Sodium C14-16 Olefin Sulfonate, Glycerin, Disodium Laureth Sufosuccinate, Cocamidopropyl Betaine, Acrylates Copolymer, methyl Gluceth-10, Lactamide MEA, Sodium Lauroyl Sarcosinate, Fragrance/Parfum, Glycol Distearate, Chamomilla Recutita (Matricaria) Flower Extract, Rosmarinus Officnalis (Rosemary) Leaf Extract, Aloe Barbadensis Leaf Juice, Panthenol, Carmellia Oleifera Leaf Extract, Candula Officinalis Flower Extract, Cucumis Sativus (Cucumber) Fruit Extract, Biotin, Polyquaternium-10, Cetrimonium Chloride, Sodium PCA, Dimethicone, Polyquaternium-7, Disodium EDTA, Decylene Glycol, Caprylyl Glycol, Citric Acid, Sodium Hydroxide Phenoxyethanol, Sodium Benzoate.


BOLDIFY is committed to clean. Here are just three of the many power-packed body boosters included in our Hair Thickening Shampoo for their effectiveness, safety, and thickening properties.


This 'Hair Food' vitamin is known to increase strand retention and reduce breakage for longer, stronger, & healthier-looking hair


Sage is said to be highly beneficial for thinning hair due to natural oils that strengthen the roots and provide important nutrients to the hair follicles


Rosemary is known to help promote circulation in the scalp, and reduce premature greying and dandruff

We craft every bottle of BOLDIFY Hair Thickening Fibers in our GMP approved lab - without Animal Derived Ingredients or Harmful Artificial Preservatives – and we never test on animals. Rest assured you’ll see thicker hair from this NATURAL, EFFECTIVE, and SAFE product or we’ll refund you every penny – no questions asked.

Rated 4.8 stars
Based on 1,747 reviews
Total 5 star reviews: 1.4k Total 4 star reviews: 267 Total 3 star reviews: 16 Total 2 star reviews: 16 Total 1 star reviews: 18
97%would recommend this product
1,747 reviews
  • W
    Verified Buyer
    I recommend this product
    Rated 5 stars
    20 hours ago
    Love this shampoo

    Tha shampoos is great ! It’s not drying ! The light scent is wonderful ! It seems to add volume to my hair ! I’d highly suggest this shampoo !

  • HS
    Helen S.
    Verified Buyer
    I recommend this product
    Rated 4 stars
    20 hours ago
    Hair looked thicker

    Use every other wash. Hair definitely looks fuller after application.

  • N
    Verified Buyer
    I recommend this product
    Rated 5 stars
    20 hours ago
    It really works!

    Love the smell and moisturizing!

  • JK
    Jenny K.
    Verified Buyer
    I recommend this product
    Rated 5 stars
    20 hours ago
    Great for colored hair that is baby fine

    I have baby fine hair that is colored. I discovered Boldify products a few months ago and they are now my go to product. The shampoo gives my fine hair body without washing away the color.

  • V
    Verified Buyer
    I recommend this product
    Rated 5 stars
    1 week ago
    Just the job

    If it’s anything like the conditioner I’ll be only using this product from now on

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Hair Thickening Shampoo - Natural Volumizing Shampoo for Fine Hair

Hair Thickening Shampoo - Natural Volumizing Shampoo for Fine Hair