Blackheads occur when your pores becomes blocked by sebum and dead skin. The black colour is not dirt. When the sebum and dead skin are exposed to the air they oxidize, which turns them black.There are many ways to get rid of them, from homespun remedies to medical treatments.lackheads occur when your pores becomes blocked by sebum and dead skin. The black colour is not dirt. When the sebum and dead skin are exposed to the air they oxidize, which turns them black.
Thalassophile. 91 likes. Thalassophile is an educational page devoted to ocean sciences. Welcome!
Medical Definition of THALLUS. : a plant or plantlike body (as of an alga, fungus, or moss) that lacks differentiation into distinct members (as stem, leaves, and roots) and does not grow from an apical point. a plant body that lacks differentiation into distinct parts (as stem, leaves, and roots), does not grow from an apical point, and is characteristic of organisms formerly classified as thallophytes. ADVERTISEMENT.