An account by Pedro Chirino, S.J. (via Blair & Robertson: A History of the Philippine Islands, vol. 12):
He describes the customs of the natives in bathing, which is a universal and frequent practice among them. On the shore of the lagoon of Bai are hot springs, which have already become a noted health resort.
Francisco Alcina, Augustinian missionary, also describes the Filipino predilection for bathing in his book about the Visayan Islands, early 1600s.
There must have been a number of Spanish missionaries watching the natives bathe “every day.”
Stay safe, dear blog readers. Stay safe.