Plural of desensitizer; multiple things or agents that reduce emotional or physical sensitivity.
From de- (remove) + sensitize (make sensitive) + -izer (agent noun) + -s (plural). Standard pluralization of the agent noun form.
When people worry about 'desensitizers' in modern life, they might be talking about repeated exposure to upsetting news, social media, or entertainment that gradually makes big problems feel normal or unimportant.
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