My 2 latest bottles have barely been usable. The first one only released air and became sticky as if it was leaking liquid. Eventually, the "gas" ran out, but the bottle was more than half full. I bought another one, and it just spits liquid into my hair, and it drips from it too. Now it’s also half full but clogs again afterward, and it’s unusable. I’ve always liked this, but now it seems to be a manufacturing defect on all of them. I don’t dare spend much money on another new one.