Well, i don't think your asking mane and tail there the same. But there coats do get thicker and thiner. They get thicker when it's cold say winter and maybe fall.(to keep them warm). And thiner in the summer and maybe spring because of the heat.
No, it doesn't. Shorter hair often seems thicker so, when you cut your hair it may feel thicker, but it's not. Also when the ends of your hair are even this makes your hair feel thicker.
No, but pregnancy can make your hair seem thicker, because while pregnant, you tend not to lose as many hairs as you would otherwise.
It will not make your hair thicker or thinner. it will only do that if you over process your hair.
Nothing that you can put on from the outside will make your hair grow thicker. (With the possible exception of Minoxidil.)
its not possible
Shaving does not "make your hair grow back thicker".
If you got your hair cut in layers it would seem thicker.
Placenta is good for you rhair. I tried it and it made it shiny and thicker.
its really easy theres this hair product thats called thicker and better hair i used it my hair is this as can be.
no
add more hair to your bangs :)