The school mainly consists of male students/teenagers with the age in range of 13 to 17 years old and thus, most of them are experiencing hormonal changes symptoms. Due to this, excessive oily sebum is generated by their skin. The sebum interacts…

Fleur freshener is a product that helps remove bad odour and it also can act as a bug/insects repellent. Other than that, it can also act as an aromatherapy with the smell that blooms out from the freshener.

Dysphonia refers to a voice disorder that affects the vocal quality and production, making it crucial to develop reliable and accurate detection systems. Since dysphonia can have a significant impact on an individual's daily life and…