[This review was collected as part of a promotion.] I don’t love that I have to use this twice to get the clean feel I desire. It makes my hair feel more corse than smooth. It does keep my hair from being oily though. That is a huge plus for my hair.

After I get my hair done I like to use this for a week after to keep my hair healthy because I always panic and think my hairs gonna break or fall out from the toner and all the products we use to maintain my color. This definitely satisfies me and it works wonders for my hair.

[This review was collected as part of a promotion.] The Biotin & Collagen Shampoo by OGX is really good, everyone. My hair is very thin and weak, but using this shampoo has made my hair much healthier and thicker. The shampoo smells great too. Overall, the quality is excellent, as OGX shampoos have been well-known for a long time, and many of my family members use them as well. I am very satisfied!

I have been using this biotin shampoo and it took my hair to the different world! Im just so amazed how this shampoo is doing so great on my hair. Making it so healthy, fuller, and shinny. I recommend this to everyone because I know its the best one ❤️

I love this shampoo! It smells amazing and it nourishes my hair and adds a nice shine to it. My hair always feels super soft after I wash it. I don't really notice a difference in fullness but I do love the way it makes my hair shine. I would definitely buy this product again.

I've been using this product for years and love it. It leaves my hair feeling thicker and fuller. The new formula makes my hair feel the same, plus it gives it a more bouncy finish, which I love. But the smell is not good. It makes my hair smell faintly of a freshly used toilet. It's not a strong smell, but as the hair in question is on my head, I can smell it all day long. Maybe a different scent combo would be nice?

I loved this! I did however stop using it due to what I’ve been hearing about the ingredients. I didn’t notice any hair loss it made my hair soft, moisturized and tamed. My hair was shiny and healthy while I used this and if they change the key ingredients that people had issues with I would buy it again 

If you have asian hair that is super straight and gets static-y during the cold like mine, I highly recommend this product. I use this along with the conditioner and my hair has never been so voluminous and full! This is my holy grail especially in the winter.

I love pairing this shampoo with its conditioner. I love the scent of both of them! This shampoo really leaves my hair feeling healthier and thicker. I definitely recommend people who are looking to improve their hair to try out this shampoo with the conditioner for optimal hair growth

I’ve been using this shampoo for a few months now, it’s my personal favorite. The consistency of the shampoo is interesting, it’s not like a lot of other shampoos. My scalp feels so fresh and clean after using this, and my hair stays looking full and voluminous a lot longer. I dye my hair pretty frequently and it’s really taken quite a lot of my hair, but this shampoo helps bring it back to its original glory.