“Hallabong (Jeju Citrus)”, a seasonal fruit harvested only during winter on Jeju Island. It is named after the shape of its pointy stalk end that resembles the peak of Mt. Halla.

The fruit is known for its rich Vitamin C content while its peel contains various bioflavonoids, that provide the skin with firming and brightening benefits.

As its peel is thicker than that of other fruits, it was difficult to extract active ingredients. After conducting several tests on different techniques, innisfree discovered that by using the ultrasonic extraction approach, it can help to soften the Jeju Hallabong peel and effectively extract the active ingredients to create a whole new Brightening Pore Line.