Yes, ants are repelled by baby powder, primarily due to the talc it contains.
Here's a breakdown:
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Talc's Effect: The reference material indicates that talc, a major ingredient in baby powder, significantly affects ants' sense of touch. This is what causes them to be repelled.
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Durability: Even older baby powder samples (one-year-old) with diluted fragrance still effectively repel ants, indicating that the effectiveness of talc is durable.
In conclusion, baby powder's talc content disrupts ants' sense of touch, effectively repelling them.