By convention, specific symbols represent certain sample statistics. For example, 1  x refers to a sample mean. 2  s refers to the standard deviation of a sample. 3  s 2 refers to the variance of a sample. 4  p refers to the proportion of sample elements that have a particular attribute.
As the name implies, lubricant laxatives make stools slippery. The mineral oil within these products adds a slick layer to the intestine's walls and stops the stool from drying out. Though highly effective, lubricant laxatives are best used as a short-term cure for constipation. Over a longer period, mineral oil can absorb fat-soluble vitamins from the intestine, and decrease certain prescription drugs from being fully absorbed into the body.
4 Reviews. The mineral oil that's used as medicine is a very refined, clear liquid distilled from petroleum. It's available over-the-counter (OTC) to treat a variety of ailments, including constipation, minor skin irritations, scalp conditions, ear-wax buildup, and others.A liquid form of mineral oil is taken by mouth, applied to the skin or scalp, and used in the ears.ineral oil is also used to treat certain scalp conditions, including dandruff, cradle cap, or scalp psoriasis. The oil may also be used to treat dry skin, diaper rash, or skin burns caused by radiation. It helps moisturize and prevent evaporation of water from the surface of the skin.