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.
Measurements. 1  a unit of apothecaries' weight, equal to 60 grains, or 1/8 (0.125) ounce (3.89 grams). 2  1/16 (0.0625) ounce, avoirdupois weight (27.34 grains; 1.77 grams). Abbreviation: dr., dr.