1. Hotel soap can be used to wash your face. Washing your face with soap has the benefit of softening cuticles. You don’t have to worry about alkaline soaps harming your skin. Even normal skin that uses weakly alkaline soaps can keep your skin radiant. Often soak in weakly alkaline hot springs, the hot spring water will slowly soften the cuticle, so the skin will become crystal clear and lustrous.
2. Fragrant soap is a widely accepted personal cleaning product. It has strong cleaning ability and relatively cheap price, and has become a necessity in people's life. Soap is an alkali salt with a pH of 9.5-10 composed of fat, oil (mainly adding vegetable oil) and salt. It is the simplest anionic surfactant. It decontaminates the skin surface by forming soap salt to emulsify the skin surface. Compared with soap, soap has low alkalinity, high fat content, and is less irritating to the skin than soap.