Characteristics of Eco-Friendly Marker Ink by Utilizing Natural Dyes From Noni Leaf Extract (Morinda Citrifolia L.)
Marker ink created from natural ingredients can be used as an alternative to ink with high VOC (Volatile Organic Compound) levels, which can be harmful to one’s health. Noni leaf extract includes tannins, which can be utilized as a basic dye/pigment in marker ink. The goal of this study is to use natural dyes derived […]