silk bath; bubble bath with very fine bubbles
A bath with extremely fine bubbles that give the water a milky or silky appearance. Also referred to as シルクバス.
See also: シルクバス
This hot spring has a silk bath, and it makes your skin smooth.
In a silk bath, the water looks white because of the fine bubbles.
Compound of シルク (from English 'silk') and 風呂 (bath), referring to a bath with very fine bubbles that give the water a silky appearance.