The hair is removed from the root. Repeated treatments can tend to weaken the hair so it becomes easier over time. Some report a slight sting comparable to ripping a sticky tape from the skin. The skin may be red for a while afterwards but this usually disappears within 24 hours. Yes, the ingredients are all natural.
Sugar even has healing properties.
Paste solutions which are purchased can also contain other ingredients such as citric acid and gum arabic. The citric acid is an astringent which can tighten the skin making hair removal easier and the gum arabic gives a proper consistency to the paste making it easier to remove. Wax adheres to the hair and the skin. Sugar paste adheres only to the hair so there is less discomfort. Sugar paste is used at room temperature or slightly warmed.