Hair Biology Thickening Treatment 6.4 Fl Oz. Infused with Biotin for Fine Thin or Flat Hair. For Fuller Looking Hair.

This product helps to make my hair thicker and easier to manage. I highly recommend the treatment. I also is and like the shampoo.

I had not been able to find this in stores. I love the fact that it gives height and a boost to my silver/gray hair.

This is the first time I have tried this product. Time will tell if it does what it says it does. So far feels good.

I used this product, I did not see any improvement/ thickening appearance of my hair. But I did get a very itchy scalp and had to wash it out.

Hair is thick but fine. Works get for getting a lift.nkm

What a pleasant surprise this product is! I saw an ad for it in Southern Living and was intrigued. I’m in my 60’s and have the thinning droopy hair thing. But it’s not like the products that claim to make your hair grow in thicker and you have to continue using them with an automatic subscription that costs you hundreds of dollars a year. This is one product that you use daily and BOOM, your hair is thicker and has lots of body! I was wary of the “use once a day on wet or dry hair” and thought my hair would look greasy or dull if I put it on dry hair. Nope!! It does just what it says: makes my hair look thicker and fuller, doesn’t fight with my hairspray or conditioning products and it does exactly what it says it does! It adds a layer of thickness without weight or grease and my hair looks GREAT!!! I am thrilled with this product! I must admit, I used my boyfriend as a test drive by putting it on his dry hair for a few days first and saw how nice his hair looked: not greasy, not dull, still shiny. The down side to that is he’s still using it, too! So I’ll have to get him his own bottle. I will not share this wonderful Hair Biology thickener!!

This product seemed to work to thicken my hair somewhat. But....It smells very strongly of coconut/ cotton candy. I really hated the smell, couldn't wait to wash my hair. I threw the bottle in the trash.

This works well for what it is intended.