What does the term suicide blonde refer to in the following sentence gauged by its fame as the active ingredient in chemical drain cleaners and the classic suicide blonde?

Answer 1

Bleach or sodium hypochlorite.

Answer 2

The term "suicide blonde" often refers to a woman who dyed her hair blonde but with the roots showing, creating a metaphorical reference to being torn between two identities or struggling to maintain one's facade. In the context provided, it seems to be drawing a comparison between this traditional image and the intense, powerful nature of chemical drain cleaners, suggesting a strong and potentially damaging presence.