Comedones may be closed or open. A closed comedo has an obstructed opening to the skin and may rupture to cause a low-grade skin inflammatory reaction in the area. The common name for a closed comedo is a whitehead. An open comedo has a wide opening to the skin and is capped with a blackened mass of skin debris. It is commonly known as a blackhead. Acne occurs when sebaceous glands of the skin begin to secrete oil during puberty.
Guam is an island in the western Pacific Ocean. It is a U.S territory officially known as the Territory of Guam. The official languages are Chamorro and English (influenced by U.S).
Tagalog is an Austronesian language spoken as a first language by a quarter of the population in The Philippines. Tagalog is also the most commonly spoken foreign language after Spanish in Washington and Nevada. Other widely spoken languages include Chinese, Vietnamese, German and French. 24/7âs Most Commonly Spoken Foreign Languages for the 10 largest states by population: