I personally like Majik. It is very hard to find though but it is the most natural hair fiber you can find because Majik uses 100% real hair. There are no fibers like it but its pricy.
And my hair feels naturally much thicker because of the real hair particles.
All other hair fibers are plant...
The Shampoo I now use is from South Korea and it is outstanding.
High quality ginseng and developed for thinning.
It is really great.
It is called Gold Ki.