Cosmetics Formulation Development

Hello, I'm inquiring about the colors for use in the Bath Bomb. I would like a natural or mineral color instead สีละลายน้ำ Synthetic type, I don't know if mineral color and synthetic color are similar or not, can mineral color be used in Bath Bomb or not?

Hello, natural colors have only one color group, สีธรรมชาติ if it's another group of colors Whether claiming to come from แร่ธาตุ , however, are not entirely natural. For example, group colors Iron Oxides is often claimed to come from แร่ธาตุ but in fact it is caused by แร่ธาตุ (Iron) came through a chemical process. So the color is formed