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Jason Thin-To-Thick Extra Volume Shampoo, 8 Ounce

In 1959, a group of independent thinkers drew upon the pioneering spirit that was so much a part of their California heritage and set out on a road of rediscovery. Theirs was a path back to safer, natural ingredients proven to work together in effective ways. And so the JĀSÖN (which means “healer” in Greek) brand was born. The JĀSÖN team meticulously created body loving products staying true to the JĀSÖN Code of Honor: select safe, wholesome, natural ingredients, rigorously test every formula to ensure safety and efficacy, never test on animals, and constantly innovate and improve. As one generation has given way to the next, JĀSÖN products have remained on the path forged by the brand’s founders, committed to discovering even more ways to offer personal care solutions safer for us, our families and our planet.

Key features

  • Body-building shampoo that adds luster and bounce to thin hair
  • Hair-strengthening biotin and panthenol wrap around the entire hair shaft to boost volume and increase hair cortex elasticity for less breakage
  • Gentle botanical surfactants thoroughly purify the scalp and cleanse the hair of dirt and oil
  • Your hair will look and feel naturally thicker with a healthier shine
  • No parabens, SLS, or phthalates

Honest reviews


no thank

I have not tried the product yet but i hope it as good as saying if so i will keep ordering more you i love when product work

Rena Eagan, TN

Only shampoo my husband will use lately

After trying this product once, my husband noticed a difference in how his hair turned out after styling. He told me to buy this product again and now it is a favorite.This product is guaranteed to add at least 10% fullness to your hair after the first application.It has mild botanical cleansing agents and fruit acids. It not only cleanses your hair, it helps to purify your scalp. Polysorbates free your scalp of excess cellular debris which can block hair follicles.He doesn’t use the conditioner, but I love usingit with this product.~The Rebecca Review

Roberta Harpursville, NY

didn’t do anything for me.

I didn’t care for this at all. Not only did I not notice any difference in the thickness of my hair, I didn’t care for the way it cleaned my hair either.

Janell Warrenton, MO

Not sure!

I have been looking for an effective hair thickening shampoo for a long while and purchased both shampoo and conditioner. Both have not been used long enough to determine if they work or not. Because this shampoo doesn’t lather well initially, there is a tendency to use much more than needed. It will lather as it’s worked in but I didn’t like the scent. So, if a little goes a long way, it may be worth buying for the price. I’ll give it more time.

June Sonyea, NY

Oh Jason shampoo…. how I love thee!

My favorite wish is for Jason to make a bigger, less expensive bottle. This is my favorite shampoo but I rarely buy it because of the cost. If you have fine, wispy hair this will do wonders for the texture and feel of your hair! It smells great and, as an added bonus, does great things for your scalp too! Simply adore it. Wether it actually THICKENS your hair… I don’t know about that, BUT my superfine hair certainly FEELS more lush and lustrous after using this shampoo and conditioner… I just wish I could afford to use it exclusively, but for me this will have to remain a special occasion shampoo. :(Note: This stuff is THICK. I mean it. Almost like honey.

Debbie Bulverde, TX

Works for me

I have problems with thinning hair. I have been using this product for about a month. I do believe that it has helped to make my very thin hair a bit thicker. I don’t expect miracles from a shampoo, but I’m happy with the results I’ve gotten from this product. I like the fact that it’s natural and leaves my hair feeling clean. The scent is a bit medicinal, but by the time I use my other styling products I don’t really notice it anymore. If you have a problem with thinning hair I’d give this product a try.

Marylou Jacksontown, OH

Love it

I absolutely love this shampoo and the matching conditioner. It makes my hair look GORGEOUS. Ever after the first use I noticed how much shinier and fuller my hair looked. I also find that my hair is easier to style when I use Jason shampoo and conditioner. While it really does make my hair shinier and seem thicker, it does seem to makes it less soft to the touch, but it LOOKS soft and touchable so that’s all that really matters, right?

Verna Moraga, CA

Actually works

The first thickening shampoo that works on my fine hair. I have tried all the expensive brands, and this one is the best by far.

Meagan Puckett, MS

Top notch! Jason really makes the best – why search?

I am crazy about this shampoo. The best quality on the planet and cruelty free! YES! Highest recommendation by me!

Abbie South Strafford, VT

Surprisingly Pleased

I found this shampoo at my local drugstore (cost a little more) and decided to give it a try. I was really surprised at how well it worked with my straight hair. It added lots of body to my hair. It didn’t lather much, but that was expected. I need to try the conditioner now too. Great find!

Summer Upper Tract, WV

Decent Shampoo, yet too much protein for me

I love the foam and how soothing it feels, I do not follow after the first poo since all the product, oils, and dirt is washed out in its first application. My only knock on the product it has way too much protein that causes my hair to tangle and knot up. That’s why the product only got 2 stars, now if you are not protein-sensitive go for it.

Rosanne Berwick, LA