Herbs that Release the Exterior

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Which of the following is NOT a function of Bo He (menthae haplocalycis herba)?
In dispersing wind-heat, Bo He clears and benefits the head, eyes, and throat. It can vent rashes in the early stages. And it allows contrained Liver qi to flow freely.

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 47 [Q526]