STD series liquid colorant products are used for coloring in the field of daily chemicals. They are completely water-soluble, do not need to be ground, do not stain or leave residue, have rich and bright colors, are full and transparent, and are easy to use. The product has stable performance, no migration, can cover up the yellowing of the base color, can be used in liquid or solid formulas, has a wide range of applicability, and has passed the EU EN71-3/9 safety test certification, does not contain heavy metals, and is safer and more environmentally friendly.




