Cosmetics Formulation Development

I would like to make a recipe similar to sap water by adding the substance Prebio-care (Skin Prebiotic ) X- Glycerin (Poly Glycerin -10) Skin-mimic™ (Skin Barrier Restoration) 4D Hyaluronic Acid Hyaluronic Acid (Small Molecule) PiteraEx ™ ( Saccharomyces Lysate Extract ) Ask if using these active substances should enter กันเสีย what substance is good? I want to be สารกันเสีย from natural or gentle type.

Hello Mild Preserved Eco 1 % can claim that the formula is free สารกันเสีย or Probio-Protect™ 2% can claim that the formula uses สารกันเสีย from nature, yes.