I'm also thinking of a thickening agent due to hair loss on the top of my head. If you use a thickener, you're afraid that your hair will fall out more. So I try not to use it as much as possible, but I'm going to use it in preparation for attending the alumni meeting. I don't care about people I don't know, but since it's a reunion, I know them...
My question is whether hair loss progresses further due to the thickening agent, and please recommend a thickening agent that is harmless to the human body. Whether it's cumbersome or easy to use, it doesn't really bother me. However, please tell me the safest thickener for the scalp.
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