Marc Anthony Grow Long Biotin Leave In Conditioner Spray & Hair Detangler - 8.4 fl oz
$8.69 ($1.03/fluid ounce)
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4.5 out of 5 stars with 614 ratings
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4.4 out of 5 stars with 1121 ratings
Highly rated
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was $11.99 New lower price
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Guests are saying
This leave-in conditioner has garnered enthusiastic praise for its ability to detangle hair, reduce frizz, and leave hair feeling soft and smooth. Guests appreciate its pleasant scent and lightweight formula, which does not weigh hair down. Many have noted significant improvements in hair manageability and health, making it a favorite for families with various hair types. However, some guests have experienced issues with the nozzle and product consistency.
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 955 reviews
effectiveness: 4.13 out of 5
quality: 4.09 out of 5
value: 4.14 out of 5
74% would recommend
175 recommendations
2 out of 5 stars
Thumbs down graphic, would not recommend
6 March, 2026Verified purchase
Good product-poor sprayer!
Product seems to do what is intended however the sprayer is horrible! I have over half the bottle left and my sprayer just quit working. It is thick consistency, almost like lotion, so I was unsuccessful at putting it in a different spray bottle.
5 out of 5 stars
3 March, 2026Verified purchase
Leave in conditiobs
Love this product love how It smells and makes my hair feel soft
1 out of 5 stars
23 February, 2026Verified purchase
(no review title)
Spray bottle didn’t work at all and made my feel super dry and crunchy. Threw away after third use.
4 out of 5 stars
Thumbs up graphic, would recommend
19 February, 2026Verified purchase
(no review title)
this works really well and my hair as well as my daughters hair. You don't need alot of it to make you hair smell good and look good. The only thing that I didn't like was the way it came in the mail. It came broken. I was able to get another one and that one didn't come broken but the top was loss
4 out of 5 stars
Thumbs up graphic, would recommend
10 February, 2026Verified purchase
Good moisturizer
Good product- left my hair nice and soft and moisturized- just wish it was a heat protector too- didn’t realize it wasn’t when i bought it because most of my leave ins doubled as a heat protectant- either way it still worked well as a leave in conditioner
5 out of 5 stars
9 February, 2026Verified purchase
(no review title)
Use this everyday. Such an amazing product.
5 out of 5 stars
Thumbs up graphic, would recommend
5 February, 2026Verified purchase
amazing smoothing , definition, detangling
love it. house full of 2b, 3c and some 4a hair. we use it as a leave in the smooth hair. my hair is fine but fully 3c hair! very curly. i can use this with a smoothing curl brush and I dont need other products for control and shine. on its own ny hair only lasts about 2 days as there isnt hold like a gel or mouse etc. but I love that i can wash and go with this yoy can use as much as you want. I haven't tried it as a blow out leave in. but that's next. my kids love it as a detangler and as a leave in. it cuts brush time in half! Pic it's just believe in one of own, hair has dried from a very quick wash and go! I mean like a sprayed hair, quickly brushed and ran out the door to pick up a sick kiddo. I love this product!!!!
1 out of 5 stars
Thumbs down graphic, would not recommend
19 January, 2026Verified purchase
(no review title)
I might like the product if I could use it. I can’t get the trigger to spray the product out of the bottle. I don’t know if the product is too thick or what. At this point, I would probably not buy it again.
2 out of 5 stars
16 January, 2026
originally posted on Mav Beauty Brands
Not for curly hair!
Smells great! But too heavy it makes my curly hair STRAIGHT.
5 out of 5 stars
2 January, 2026Verified purchase
(no review title)
Like the light spray
5 out of 5 stars
20 December, 2025
originally posted on Mav Beauty Brands
Saving grace!
I received a trial bottle of this conditioner! Oh my goodness, it has changed how I do everything. I now use it as a pre poo condition and after shampoo detangler. Thanks to this product I can keep my long hair (for now) which I am blessed to receive many compliments on. Thank you Marc Anthony!
2 out of 5 stars
Thumbs down graphic, would not recommend
20 December, 2025
Is it?
Is this product by the singer, Mark Anthony?
3 out of 5 stars
Thumbs up graphic, would recommend
15 December, 2025Verified purchase
Good but strong smell
I think is product does its job of being a leave-in well. My biggest issue is that the smell is so strong and not very pleasant. Very strong perfume smell but once hair is blow dried dies down.
5 out of 5 stars
Thumbs up graphic, would recommend
7 December, 2025
Affordable and Impressive
Smells great and works wonderfully- I’ve had no problems with the spray bottle. It is a little thick, but it is definitely not greasy and I have thin damaged hair.
2 out of 5 stars
Thumbs down graphic, would not recommend
3 December, 2025
Be careful
I had an allergic reaction to this stuff and some of my hair fell out. This isn’t the first hair product I’ve had a bad reaction to. But after I frantically washed it out after getting home from work, my hair was remarkably soft and poofy for the next two days.
5 out of 5 stars
Thumbs up graphic, would recommend
31 October, 2025Verified purchase
Best leave in conditioner
It makes my hair soft
5 out of 5 stars
Thumbs up graphic, would recommend
29 October, 2025Verified purchase
great!!
smells amazing, great for curly hair as well..
5 out of 5 stars
Thumbs up graphic, would recommend
17 October, 2025Verified purchase
awesome
it smells very good and i have only seen like 2-3 split ends since i started using it 6 months ago. my hair has grown nearly a foot since using this. i can’t comment on the detangling because i detangle before using this but it definitely protects and locks in moisture.
5 out of 5 stars
Thumbs up graphic, would recommend
15 October, 2025Verified purchase
(no review title)
detangles my curls, keeps hair from getting poofy and leaves a nice tamed natural look
1 out of 5 stars
Thumbs down graphic, would not recommend
23 August, 2025Verified purchase
Too much fragrance
Way too much fragrance and didn’t condition or detangle my hair.