| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathtub apparatus capable of extending a time required for lowering a moisture content of the keratin after taking a bath, providing a person after taking the bath with an enough time for leisurely caring the skin with face lotion with the skin state moisturized, improving the moisturizing effect and improving the skin into moisturized one. SOLUTION: This bathtub apparatus is provided with an oxygen enriched air supply means 2 supplying oxygen enriched air including oxygen with higher concentration than the oxygen concentration in air into bathwater W in a bathtub 1. The amount of dissolved oxygen in the bathwater is retained to 7-13 ml/L by the oxygen enriched air supply means 2 supplying the oxygen enriched air into the bathwater in the bathtub 1. COPYRIGHT: (C)2006,JPO&NCIPI
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