Cosmetics Formulation Development

Hello, I would like to ask for advice. Unscented substance. Or have a weak smell. 1. สารกันเสีย Which one do you recommend? 2. Which UV protection agent do you recommend? 3. Anti-discoloration and odor agent. Which one do you recommend? in the recipe to try The smell is not very good and strong, I guess it's mild eco preserative , activ Protect OX , activ Protect UV so I'm here for advice on which one to change, thank you very much.

Hello 1. Mild Preserved Eco 1% 2. No, all of them have some color and smell 3. No, they all have some smell.