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 grain is a measure of weight. 1 grain is equal to 1/7000th of a pound. Or 7000 grains are in 1 pound. There are 15.43 grains per gram for those who are metric. It's just a weird way of saying how heavy something is in firearms. More grains means heavier bullet.
The grain was the legal foundation of traditional English weight systems, and is the only unit that is equal throughout the troy, avoirdupois, and apothecaries' systems of mass.: C-6 The unit was based on the weight of a single grain of barley, considered equivalent to 1 1 â 3 grains of wheat.