Disperse WATERGEL AFG and Methyl Paraben in water at room temperature. Heat up the above solution upto 85 ºC for 20 minutes with regular agitation. Add propylene glycol. 10 minutes after adding glycol, cool the solution down to 65-70 ºC and add polysorbate and perfume. Stir the solution. Transfer the solution into air freshener gel container. Put cover on the container once it solidifies.