Please suggest the thickener in the serum. odorless Make a gold serum in an airless pump bottle, previously used to thicken 1. Carbomer 2. HydroxyethylCellulose 3. Xanthan Gum then smells use น้ำหอม can't mask the smell. Please suggest me. PS. This formula is like this (Aqua, Hamamelis Virginiana Ba...
