Introduction
An introduction to facial aesthetics:

Explanation about the importance of facial aesthetics and why contouring and highlighting are important.
Definition of contouring and highlighting:

The definition of each of these techniques and their role in facial makeup.
The purpose of the article:

Explain the purpose of the article, such as reviewing techniques, tools, and application tips.
First part: Contouring
Definition of contouring:

Description of what contouring is and what its purpose is.
History of contouring:

Overview of the history and development of contouring in the makeup industry.
Tools and products used:

Introducing various tools and products used for contouring.
Contouring techniques:

Examining different contouring techniques (eg wet and dry contouring).
Step by step tutorial:

Explaining the practical steps to perform contouring.
Common mistakes and how to avoid them:

Examining common mistakes in contouring and how to correct them.
Suggestions and tips for all skin types:

Tips and advice for different skin types and face shapes.
Second part: Highlighting
Definition of highlighting:

Description of what highlighting is and what its purpose is.
History of highlighting:

Overview of the history and evolution of highlighting in the makeup industry.
Tools and products used:

Introducing various tools and products used for highlighting.
Highlighting techniques:

Examining different highlighting techniques (e.g. liquid and powder highlighting).
Step by step tutorial:

Explaining the practical steps to perform highlighting.
Common mistakes and how to avoid them:

Examining common mistakes in highlighting and how to correct them.
Suggestions and tips for all skin types:

Tips and advice for different skin types and face shapes.
The third part: the combination of contouring and highlighting
How to combine contouring and highlighting:

Explain how to combine these two techniques to achieve the desired result.
Experiences and opinions of experts:

Makeup experts’ opinions and recommendations about the combination of these two techniques.
Conclusion and future of these techniques:

Summary of contents and predictions about the future of contouring and highlighting techniques.