Propolis while also collecting water and tree resin necessary for the production of propolis. The chemical composition and nature of propolis depend on environmental conditions and harvested resources. For centuries, beekeepers assumed that bees sealed the beehive with propolis to protect the colony from the elements, such as rain and cold winter drafts. However, 20th century research revealed that bees not only survive, but also thrive, with increased ventilation during the winter months throughout most temperate regions of the world. Propolis properties may include: The composition of propolis varies from hive to hive, from district to district, and from season to
Eyelid glue a minute before holding the fold. This method creates or enhances a fold in the eyelid ("double eyelid") that opens up the eye exposing the eyelashes. The use of eyelid glue also exists amongst men. The glue does not last and must be reapplied after a few hours. Eyelid glue may also cause irritation. A variant called eyelid tape or crease tape comes in a fibrous elastic strip that is trimmed to shape and placed on the eyelid. The tape creates a crease that stays on the eyelid. The tape does not last and must be reapplied after a few