Can [not only … but also] be written as [not … but also]? Can [not only … but also] be written as [not … but also]? how to understand the [not … but also] sentence here. [here is the context] Stress can’t always be mitigated, but bad habits can be. Many of the things you do routinely might be contributing to your hair loss. Consider these big ones, according to Dr. Green: 【Not shampooing enough】, but also shampooing too often. (Twice a week should suffice, with a specialized shampoo for thinning hair.