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.
Mineral oil is used in a variety of applications, from industrial lubricants to skin-care products and laxatives. During petroleum processing, mineral oil is formed. Mineral oil is not easily absorbed by skin, so moisture is unable to enter or exit the skin barrier.kin Care Products. Mineral oil is used in many beauty and skin products as a moisturizer. Mineral oil can clog pores and make it difficult for moisture to enter and exit the skin, which can lead to breakouts. As an alternative to mineral-oil-based products, vegetable-oil products may be used.