During menstruation, the skin of the women’s sensitive part is most vulnerable. Survey has shown that 73% of the women would feel itchiness and pain on some parts of the skin during menstruation. These are mostly caused by the use of sanitary napkins which are not air permeable. As such, it is of critical importance to choose suitable sanitary napkins to ensure safety during menstruation. Sanitary napkins are normally made up of three layers: surface layer, absorbent layer and under lying layer. The choice of sanitary napkins should be based on considerations relating to the materials and functions of these three layers.
Firstly, the surface layer should preferably have a cotton net surface with rapid absorption to avoid wet Skin surface. The funnel type of design is better than the bucket type of design as the discharge absorbed would not backflow easily.
Secondly, the middle layer should have effective absorption agents that can turn the absorbed liquid discharge into a jelly-like state so that it would not backflow when pressed and would not cause the sticky feeling.
Thirdly, the underlying layer should be made of air permeable materials to allow diffusion of water molecules in the gaseous state. This would keep away the moist air to effectively reduce the moisture and heat between the sanitary napkins and the body so that there is a dry and refreshed feeling.