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Showing posts with label deodorants. Show all posts
Showing posts with label deodorants. Show all posts

Friday, December 26, 2014

Skin care - effects of cosmetics-creams- deodorants on skin

COSMETICS

Most cosmetics on the market today may improve appearance without harming the skin. Lipstick, powder, rouge are usually harmless unless you happen to have a special allergy or sensitivity to the preparations themselves or perfumes they contain. Some lipsticks dry the lips, but with a little experimenting most women can find a suitable one. Pancake makeup and powder bases may clog the pores, and it is important to wash them off or remove them with cleansing cream every night. There is usually no significant difference, aside from odor and attractiveness of packaging, between expensive and inexpensive cosmetics, though it is sometimes difficult for women to believe this.

BODY ODOR AND DEODORANTS 

Perspiration itself is essentially odorless. When odor does develop, it is the result of bacterial action on the secretions from the skin's glands. Thus, bathing is the primary method of body odor control. When a full bath cannot be taken, body odor can be largely controlled by bathing armpits and genital area with soap and warm water. Deodorants are formulated to mask or diminish body odor. They do not affect the flow of perspiration. Antiperspirants contain compounds to reduce the amount of perspiration. Their effectiveness varies depending not only upon ingredients but on such factors as the individual's normal perspiration rate and activities that may encourage perspiration.

CREAMS

 Cold cream, a cleansing agent, generally is a water-in-oil emulsion. The mineral oil in it helps dissolve fatty skin secretions and loosen grime particles. The cream's suspending effect helps in removing dirt with tissue or soft towel. A variation, the so-called liquefying cleansing cream, may contain mineral oil that is not emulsified but rather is solidified with paraffin or petrolatum to a consistency that allows it to melt upon contact with the warmth of the skin. This oily film is intended for the same purpose as emulsified cold cream. Cold creams and other cleaners should remain on the skin only briefly, since the actual cleaning operation requires removal of the cream together with the secretions and grime. On the other hand, other creams-lubricating, moisturizing, conditioning, and "night" creams-have a different purpose and require longer contact, generally overnight. Their objective is to help make the skin smoother by overcoming drying and roughness. For this, they provide a lubricant, emollient (softening) or humectant (moisture-attracting or -retaining) action.


The film of cream, when applied to the skin, closes out air, and the water in the cream-sometimes aided by ingredients such as glycerine and sorbitol-has a moistening effect. Foundation cream has similar ingredients for moistening and is used prior to makeup to provide a thin film that becomes a base for powder and rouge while providing some protection against grime. Although many manufacturers add to creams certain mystic ingredients-ranging from royal jelly to orchid pollen, mink or turtle oil, placenta extract, and assorted hormones and vitamins-claiming that they make it possible for women to keep or regain youthful appearances, many medical authorities believe that the claims have not been substantiated on a scientific basis, and the buyer is getting perhaps a good cold cream but at a high price.