Always clean skin meticulously, an acne skin is very sensitive. Eat a well balanced diet, avoid fatty food and take plenty of exercise, especially in the out-of-doors. Certain pure essential oil can be applied neat to individual marks-such as: 1  Tea tree oil. 2  Lavender oil.
The small golden disk close to the 5 cm marker is a piece of pure gold weighing one troy grain. Shown for comparison are a tape measure and coins of major world currencies. A grain is a unit of measurement of mass, and for the troy grain equal to exactly 7001647989100000000â 64.79891 milligrams. It is nominally based upon the mass of a single seed of a cereal.
metric grain, grain - a weight unit used for pearls or diamonds: 50 mg or 1/4 carat 2. Mg - a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)