Cutting hair for cancer?

So I know its normal convention to shave your head completely to show your support for cancer in that way. A family member has recently been diagnosed with cancer and I want to cut, not shave. Do people do this? I don't really want to shave - sounds selfish since someone has cancer but I have my own problems... show more So I know its normal convention to shave your head completely to show your support for cancer in that way. A family member has recently been diagnosed with cancer and I want to cut, not shave. Do people do this? I don't really want to shave - sounds selfish since someone has cancer but I have my own problems like low self esteem and anorexia etc so I don't want to feel anymore uncomfortable with myself. Anyway! The point is, can I just get it cut short (i don't just mean to my shoulders or something, I mean a bit longer than a shave) instead of shaving it completely?
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