Giovanni Biotin & Collagen Strengthening Shampoo - 24 fl oz: For All Hair Types, Liquid Form Shampoo
$19.39 ($0.81/fluid ounce)
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Guests are saying
This shampoo has garnered a mix of experiences from guests, with many praising its ability to enhance hair health, volume, and manageability. Guests appreciate the pleasant scent and the nourishing ingredients like biotin and collagen. While some have reported issues such as hair loss or scalp irritation, the overall consensus leans towards satisfaction, especially for those seeking a product that promotes shine and strength in their hair.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.4 out of 5 stars with 36 reviews
effectiveness: 4.36 out of 5
quality: 4.59 out of 5
value: 4.57 out of 5
86% would recommend
30 recommendations
1 out of 5 stars
Thumbs down graphic, would not recommend
15 May, 2026Verified purchase
Aweful
Makes my scalp break out, itch and hair greasy.
1 out of 5 stars
Thumbs down graphic, would not recommend
9 April, 2026
Causes Hair Loss for Some Users
Everytime I use this shampoo, a lot of my hair falls out the next day or right after showering. When I switch to a different brand for several weeks, I’ve noticed my hair stops falling out, but as soon as I return to this shampoo, the issue comes back the next day. My mom doesn’t have an issue with the shampoo, but I’m writing this a caution to anyone thinking of buying this product that there’s a chance it may not work for you and cause unwanted side affects.
1 out of 5 stars
Thumbs down graphic, would not recommend
5 September, 2025Verified purchase
Negative effect
Caused more hair loss
4 out of 5 stars
Thumbs up graphic, would recommend
29 November, 2024Verified purchase
Good shampoo, color safe.
Over all it is a good brand. It doesn't smell crazy, smooth, the most important, color safe.
1 out of 5 stars
Thumbs down graphic, would not recommend
25 October, 2024Verified purchase
Not for postpartum hair loss
Really wanted to love this product. However I am currently going through postpartum hair loss and this shampoo ripped my hair in chunks. Very disappointed. Smell was amazing.
5 out of 5 stars
Thumbs up graphic, would recommend
30 March, 2024
Love it!
Has really helped with maintaining my hair healthy and strong. Would definitely recommend.
5 out of 5 stars
Thumbs up graphic, would recommend
30 March, 2024
5 star
This product worked amazing on my hair made is supper healthy and smooth. Definitely loved this product.
5 out of 5 stars
Thumbs up graphic, would recommend
28 March, 2024
Thicker hair? Yes please!
I recently started using this shampoo and love it! It smells great and I have noticed less breakage and my hairs feels like it’s already getting thicker.
5 out of 5 stars
Thumbs up graphic, would recommend
27 March, 2024
Best Shampoo
This Shampoo has helped my hair feel fuller and shinier than ever! My hair is now full of body and smells so fresh! My whole family uses it and loves it. Leaves hair moisturized without weighing it down.
5 out of 5 stars
Thumbs up graphic, would recommend
27 March, 2024
Love, Love, Love
This is hands down the best shampoo ever! I've experienced more volume in my thin hair and less fall out since using this shampoo. My hair feels thicker, stronger. Smells super fresh and light fragrance remains in your hair until your next wash! Love you Giovanni, thanks for making such a great product!
5 out of 5 stars
Thumbs up graphic, would recommend
27 March, 2024
Great shampoo
It moisturized my hair really well. I also enjoy there tea tree line as well
5 out of 5 stars
Thumbs up graphic, would recommend
27 March, 2024
Love this Shampoo
I love this shampoo! I even noticed less split ends after a few uses. I also love their line for curly hair.
5 out of 5 stars
Thumbs up graphic, would recommend
26 March, 2024
Great shampoo!
I have been using this shampoo for a few months and it is great! I have very thin hair and since I've been using this shampoo my hair feels fuller. I just need a little dab of shampoo and lathers very well. Has a great smell too!
5 out of 5 stars
Thumbs up graphic, would recommend
25 March, 2024
Soft and Shiny
I tried this shampoo for the first time last night and I will say it was pleasure. Nice smell, rich in lather and left my hair soft and shiny.
5 out of 5 stars
Thumbs up graphic, would recommend
25 March, 2024
Giovanni biotin & collagen
I love the scent, it leaves my hair shiny, manageable and clean. I’ve seen less hair loss since using this shampoo.
5 out of 5 stars
Thumbs up graphic, would recommend
25 March, 2024
Highly Recommend
I have been using the Giovanni Biotin Shampoo for about 6 months and I really love the way my hair feels and looks. I have also noticed that I am not loosing as much hair since I started using the Biotin & Collagen shampoo.
5 out of 5 stars
Thumbs up graphic, would recommend
24 March, 2024
Awesome
After so many shampoos I found the one. It made me hair soft and wavy. It's smells good.
5 out of 5 stars
Thumbs up graphic, would recommend
24 March, 2024
Excellent Shampoo
Absolutely love this shampoo!!
5 out of 5 stars
Thumbs up graphic, would recommend
23 March, 2024
The Zohan not needed to make your hair SILKY SMOOTH
Get this instead. Really enjoyed the scent, not flowery or fruity, if blue had a scent maybe this would be it. Mello and pleasant in shower experience. Hair was beyond soft after using, I generally like the Giovanni products this was one of the better feeling shampoos after showering I have seen from them.
5 out of 5 stars
Thumbs up graphic, would recommend
22 March, 2024
Awesome product
Love this product, smells great and my hair feels healthy.