Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Ok

Bought this one based on reviews of others.Pros: this bottle last for over 3 months (have applied it every evening).Cons: see no results /improvement at all, unfortunately (switched to american crew vials with good results after 2 months of applicatin 6 months appart- hair became more dence, stronger, thicker looking, and less falling).So,maybe for somebody it really works, but I personally would not recommend the NuHair Serum.