Pant type sanitary napkins have obvious advantages in anti leakage design, but the final anti leakage effect needs to be comprehensively judged based on product design, usage methods, and personal situations.

From a product design perspective, most pants type sanitary napkins will adopt a triple leak proof structure:

One is the leak proof side, which is designed with three-dimensional protective panels on both sides of the pants, using elastic materials that can fit the curves on both sides of the buttocks, forming a physical barrier to prevent menstrual blood from leaking to both sides. Some products also add a waterproof layer on the inside of the protective panel to further enhance the leak proof effect;

The second is to extend the absorption area. Some styles may extend the front and rear absorption areas, especially the back, which can cover a wider area of the buttocks and avoid menstrual blood leakage when turning over during menstruation;

The third is the design of the flow guiding layer, which adds flow guiding patterns on the surface of the absorbent core to guide the rapid diffusion of menstrual blood into the interior of the core, avoiding local accumulation and overflow of menstrual blood. At the same time, the highly absorbent resin in the core can quickly lock in menstrual blood, reduce backflow, and lower the risk of leakage.

However, if used improperly, it may also affect the leak prevention effect. For example, if the size is not suitable when worn, the pants may shift due to being too large, and the core may deform due to compression due to being too small, all of which will cause the leak prevention structure to fail;

In addition, if the replacement is not timely, when the absorbent core reaches saturation, even with leak proof design, leakage may still occur. Personal activity range can also have an impact. If you engage in intense exercise during your menstrual period, such as running or jumping, it may cause the pants to shift or the core to be misaligned, increasing the probability of side leakage. In this case, it is recommended to choose pants shaped sanitary pads that are specifically designed for exercise and have stronger elasticity.

When choosing, buyers can first check whether the product is labeled with designs such as "anti side leakage" and "three-dimensional protective enclosure". At the same time, they can refer to other users' evaluations of the leak prevention effect. When using, they can replace it in a timely manner according to the amount and choose the appropriate size to maximize its leak prevention advantages.