What type of chemical reaction occurs during disincrustation?

Disincrustation is a technique commonly used in esthetics to treat oily skin and is particularly effective for cleansing clogged pores. The process involves using a galvanic current to create a chemical reaction that emulsifies or liquefies sebum (the oily substance produced by sebaceous glands) and other debris.

During disincrustation, the electric current interacts with the alkaline solution applied to the skin, which transforms the sebum into a more liquid state. This allows for easier extraction and improves the clarity of the skin by effectively removing blockages. The efficacy of this method lies in its ability to change the consistency of sebum, making it less viscous and easier to remove.

The other options involve reactions that don't align with the primary purpose of disincrustation. For instance, while an alkaline reaction is part of the process, the correct answer specifically highlights the outcome of emulsification, which is the key aspect of disincrustation rather than just the alkaline nature of the solution. Thus, the emphasis on emulsifying or liquefying sebum captures the essence of how disincrustation benefits oily skin types, leading to clearer and more refined skin.