Unverified85% confidenceFactTime unknown
浴盐开封后含油配方易氧化酸败，应选小包装并在3-6个月内用完；无油纯盐可长期保存但受潮会结块，需密封防潮存放
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85%
Confidence
Long-term
Relevance
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Unverified天然度与保存期的权衡：真正无添加的天然沐浴盐（仅盐+精油）易受潮结块、精油易氧化挥发，保质期通常12-18个月且需避光密封；添加防潮剂/固香剂的更耐存但天然度打折84% similarUnverified泡澡球应密封保存于阴凉干燥处，受潮后会提前反应变硬、失去起泡力；含精油的产品长期存放香味会挥发减弱，建议购买后3-6个月内用完80% similarUnverified季铵盐起效需要一定作用时间，喷洒后应保持表面湿润至少1~10分钟（视浓度和产品说明）再擦干，喷完立刻抹掉基本无消毒效果79% similarUnverified小苏打（碳酸氢钠）通过中和酸性尿味起效，对新鲜氨味（碱性）效果有限，且吸潮后会结硬块影响矿砂结团判断，开封后建议3个月内用完并保持密封防潮79% similarUnverified沐浴盐选溶解速度看颗粒：细盐（＜1mm）30秒内溶解适合泡澡，粗盐/大颗粒海盐（＞3mm）溶解慢但适合去角质磨砂，含椰油/矿物油的沐浴盐会在水面形成油膜、浴缸需及时清洗防打滑78% similar
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