Hair length for sugar waxing. If it's too long, it becomes more painful and less accurate. 19.10.2018 Zugar 10 Comments August 3, by Tash. Related Articles. Next post: If you want to use your sugar paste faster you can place it in a water tight container in a warm water bath in a sink. Allergy Allergic reactions are possible, as a result of using wax. The cells in the root of the hair are dividing rapidly. After the mixture is cooled to room temperatureit is really for use depending on which method you cooked the sugar for gel or paste. I simply watch my thermometer and stir the mixture occasionally. Epilators vs Waxing? After a few hours that solution is cooled, and it's like rock candy.