天然食用色素的优点在于其安全性，缺点是其稳定性差，易受光、热、空气和金属离子的影响而变色或褪色。
The natural food pigments are safe, while their stabilities are bad. They are easy to change their color or fade when they are exposed to light, heat, air and metallic ions.
若表带材质易渗，须避免与水份、湿气、化妆品、等含化学成分的物品接触，同时避免暴晒，以防褪色、变形。
4 if the material easy to avoid watchband permeability and moisture, moisture, cosmetics, etc. chemical items contact, and avoid exposure, to prevent discoloration and deformation.
尼龙、易 褪色之衣物及皮革，漂白时请先以少量溶液测试。
Do not use on silk, wool, nylon, unfast colours and leathers. Test material before bleaching.
应用推荐