驱虫剂通常以乳液、喷雾剂或擦拭剂的形式，涂抹在皮肤上。 但涂抹后，药效

驱虫剂通常以乳液、喷雾剂或擦拭剂的形式，涂抹在皮肤上。 但涂抹后，药效只能维持一定的保护时效，驱蚊剂的浓度越高，保护时效越长。

Results (English) 1:

Typically in the form of an emulsion repellent, spray or wipe agent on the skin. However, after application, protective efficacy can only maintain a certain aging, the higher the concentration of the insect repellent, the longer the aging protection.

Results (English) 2:

Insect repellents are usually applied to the skin in the form of lotions, aerosols or wipes. However, after application, the effect can only maintain a certain degree of protection, the higher the concentration of mosquito repellent, the longer the protection of the statute of limitations.

Results (English) 3:

Insect repellents are usually applied to the skin in the form of emulsion, spray or wipe. However, after application, the efficacy can only maintain a certain protection time. The higher the concentration of mosquito repellent, the longer the protection time.