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iHerb Customer Reviews



Savings of: $15.51 (44% off)

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Great Product!!

Posted by Reviewer2886308 on Aug 21, 2008

I personally was experiencing hair breakage and shedding. After 1 month of using hair factors i began to see my hair thickening back up. But you must drink plenty of water. I would recommend Hair Factors to anyone. GREAT PRODUCT!!

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the best

Posted by Reviewer2802523 on Jul 28, 2009

definately the best hair growth formula found in a bottle. after little success with store-bought hair growth vitamins, i did my research and found that the two nutrients BIOTIN and L-CYSTIENE are the most powerful ingredients for hair growth. And Twin Lab hair factors was the only product i could find that included both

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Excellent Product

Posted by Reviewer1016313 on Oct 09, 2009

I am an African American female and I have put many chemicals in my hair over the years. My hair has been difficult to keep at shoulder length because of breakage. I just ran out of my first order and have already placed a second order.This product is EXCELLENT!! I strongly recommend this product to anyone trying to grow or maintain their hair :) Good job TwinLabs. Iherbs is the only supplier that sells this product!

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Seems to help

Posted by Reviewer3105887 on Oct 11, 2008

This seems to help slow my husbands hair loss and helps his hair be healthier(less brittle)

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Twinlab Hair Factors Vitamins

Posted by Reviewer1599854 on Mar 31, 2011

I get great results using these vitamins. Thicker, longer, stronger hair in every bottle!!

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Twinlab, Hair Factors

Posted by Reviewer1146917 on Mar 22, 2011

Awesome price for this item. I used these before and the vitamin store that I was going to before I heard about I.herb.com (thanks to my cousin) had discontinue them. They are great not only for hair but I notice the difference in my skin and hair.

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Greatest hair and nails and skin herbal!

Posted by kirowang on Mar 09, 2012

Look for the ingredients! No product can beat this one!

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An old favorite

Posted by 5383104534124792820 on Mar 04, 2014

I took these vitamins for about 3 years back in college. I had a really hard time growing and maintaining my hair. When I started, it was about chin to shoulder length and by the end of the 3 years, it was between bra strap and mid back length. That was from taking just 1 tablet a day. I'm thrilled to have found them again and have been taking 2 day. This time my goal is hip length and I'm already seeing great results :) Some people complain about the size, but I got used to it pretty quickly. Before coming across Hair Factors again, I tried the Soulgar brand for a little while and like these much better.

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excellent product

Posted by 4747038087916470050 on Dec 18, 2013

After 1.5 months of taking 3 tablets a day, stopped hair fall completely!

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need time to see result

Posted by 4886748101839407411 on Nov 08, 2013

difficult to say whether it helps my hair, but I will buy two more bottles to see the result since I really need some thing to help my hair...

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