Discussions tagged with 'hydrosol' Anca_Formulator Natural Preservative for Hydrosols PhilGeis replied 2 years, 4 months ago 5 Members · 16 Replies Resources Karo_lina Hydrosol without preservative mikethair replied 2 years, 9 months ago 4 Members · 6 Replies Science janee203 Question regarding change of ph level of rosewater toner when adding preservative janee203 replied 4 years, 6 months ago 4 Members · 8 Replies Starting a cosmetic line Viewing 1 - 3 of 3 discussions