Frankly, I am not familiar with IELTS requirements, but it seems to me that your essay is too short.
It seems that every body every reasonable person/everyone concerns about keeping up with the latest fashion, knowing the tendency, this industry is growing at a staggering rate. Whether it has advantages or not has triggered spirited debate.
even if fashion has lots of outstanding effects in our lives, but is side effects cannot be underestimated.
although following fashion is beneficial, there are also a lot of side effects of such a behavior that should not be underestimated.
Good luck!