To effectively utilize a hydrogen generation agent, provide improvement in feeling of cold, improvement in beauty effect, fatigue recovery effect, improvement in dermatosis, and diet effect, and predominantly improve body parts including shoulder, back, belly, waist, thigh, knee, leg and foot of a human by predominantly supplying hydrogen to the body parts.SOLUTION: A plurality of single hydrogen generation agent storage containers are arranged adjacently, detachably coupled with attachment/detachment means, assembled so as to have the planar shape in any form in the cross plane direction and placed on a bottom of a bath. Any single hydrogen generation agent storage container of the plurality of single hydrogen generation agent storage containers can be arranged so as to contact or approximate each part of the human's body in the bath.SELECTED DRAWING: Figure 5【課題】水素発生剤を効果的に活用し、冷え性の改善、美容効果、疲労回復効果、皮膚病の改善あるいはダイエット効果を人間の肩部、背中もしくは腹部、腰部、大腿部、ひざ部、脚部及び足甲部からなる身体部に重点的に水素を供給して、これらの身体部位を重点的に改善できるようにする。【解決手段】複数の単一水素発生剤収納容器同士が隣接配置され、着脱手段によって着脱自在に結合されることで、十字双方の平面方向に、任意の形態の平面板状をなすように組み立てられ、浴槽の底面部に載置されて、複数の単一水素発生剤収納容器の内のいずれかの単一水素発生剤収納容器が浴槽内の人間の身体の各部位に接触あるいは近接配置可能とされる。【選択図】図５
