Question:
According to Rav Moshe there is no question that deodorant sprays do not violate ZOREH.
Are antiperspirant sprays [main ingredient Aluminum Chloride] a violation of the Rabbinic prohibition of Refuah?
Answer:
Thank you for your question.
The prohibition of doing things for refuah, is only when the person is sick, a person applying deodorant is not sick, therefore it is permitted.
Best wishes