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  • 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 out of 5 stars
1,803 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.​

Aqua, Sodium C14-16 Olefin Sulfonate, Glycerin, Disodium Lauryl Sulfosuccinate, Cocamidopropyl Betaine, Acrylates Copolymer, Lactamide MEA, Methyl Gluceth-10, Sodium Lauroyl Sarcosinate, Parfum, Glycol Distearate, Phenoxyethanol, Cetrimonium Chloride, Dimethicone, Polyquaternium-10, Sodium Chloride, Polyquaternium-7, Sodium Hydroxide, Hexyl Cinnamal, Disodium EDTA, Benzyl Benzoate, Butylphenyl Methylpropional, Panthenol, Sodium PCA, Caprylyl Glycol, Decylene Glycol, Linalool, Sodium Benzoate, Tetrasodium EDTA, Chamomilla Recutita Flower Extract, Rosmarinus Officinalis Leaf Extract, Aloe Barbadensis Leaf Juice Powder, Magnesium Chloride, Magnesium Nitrate, Calendula Officinalis Flower Extract, Camellia Sinensis Leaf Extract, Cucumis Sativus Fruit Extract, Phospholipids, Biotin, Citric Acid, Salicylic Acid, Sorbic Acid, Retinyl Palmitate, Tocopheryl Acetate, Ascorbyl Palmitate.


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 products 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 out of 5 stars
Based on 1,803 reviews
Total 5 star reviews: 1.5k Total 4 star reviews: 274 Total 3 star reviews: 16 Total 2 star reviews: 16 Total 1 star reviews: 18
97%would recommend this product
1,803 reviews
  • K
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    22 hours ago
    I finally have thick hair!

    This shampoo has been a life saver for my fine, limp, hair. I’ve tried dozens of products that promised to give me thicker looking hair with more volume just to be disappointed. Boldify did not disappoint. Tons of volume, easy to manage. I’m a Boldify customer for life.

  • KC
    Karen C.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    22 hours ago
    Love the product

    Makes my hair feel and look fuller.

  • NJ
    noelle j.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    22 hours ago
    Great product

    My hair was notably softer after First use.

  • LB
    LINDA B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    4 days ago

    My hair feels thicker and soft, and I'm not using the products I had been using to give it fullness, but seemed to dry it out. Very pleased.

  • B
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Hair feels thicker

    My hair really does seem to feel thicker and has more volume when I use this!

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Hair Thickening Shampoo - Natural Volumizing Shampoo for Fine Hair

Hair Thickening Shampoo - Natural Volumizing Shampoo for Fine Hair