Why is it recommended to avoid touching the face after makeup application?

Avoiding touching the face after makeup application is primarily recommended to prevent transferring oils and bacteria. The skin naturally produces oils, and when makeup is applied, these oils can disrupt the makeup's finish and integrity if transferred. Additionally, touching the face can introduce bacteria from the hands, which might lead to skin issues such as breakouts or irritation.

The other options, while they may have some relevance to makeup application, do not directly address the critical issue of hygiene and the effects of oil transfer on the makeup's appearance and longevity. Keeping the face free from unnecessary contact helps ensure that the makeup remains in place and looks fresh throughout the day. Ensuring cleanliness and maintaining a barrier between hands and facial products is an essential practice for both skin health and the durability of makeup looks.