According to the relevant information, the baking-free fingerprint oil spray is generally only enough for one day, and it will be ineffective after one day, and it cannot prevent oil.

Non-ironing fingerprint oil is a polymeric fluorination treatment agent. Especially suitable for consumer electronic products, it is easy to form chemical bonds with the surface of the processed object and form dense hydrophobic and oleophobic nano-films on the surface of the processed object.