Brief Answer:
Besides anti perspirants, consume foods high in Isoflavones

Detailed Answer:
Hi welcome to health care magic,

Excessive sweating can be due to raised metabolism. This can be due to regular exercise and is a natural phenomenon.
It can be due to raised thyroid hormone levels.
It can be due to vaso dilator medications which I see you are not on.
It can be due to menopause.
Smoking
Alcohol intake.
Besides anti perspirants, consume the foods given below that are high in Iso-flavones and can help you---from my book--'Health After Forty'.
Carrots Tomato wheat
Beetroot Apple yam
Pumpkin Plum saunf (fennel seeds)
Potato Papaya Bengal gram pomegranate Black pepper Cucumber
Garlic Oats Dates
Brinjal (egg-plant) cherries Soya
Jeera (cumin) Peas
Lin-seed (Red clover) par-boiled rice Barley

Regards

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