Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2as hot as the skin can stand. Furthermore, many patients bathe in the morning to "wake up" and bathe in the evening to “go to sleep." Others bathe a third time after finishing a workout at the gym. Certainly, these personal hygiene habits require lots of cleansers and may result in xerosis and ultim Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2ately xerotic eczema. Cleansing the body has become an essential part of personal hygiene and the desire to bathe daily has created a demand lor cleanEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
sing products that simply do not cleanse as well. This chapter examines cleanser formulations for the body and how cleanser selection can aid the pati15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2n be a challenge lor any patient, rhe shelves arc full of body cleansing products in every color of the rainbow, each with a unique skin enhancing ingredient like vitamin E, shea butler, jojoba oil, emu oil, cleansing cream, lavender, chamomile, ginger, glycerin, panthenol, and collagen. Every scent Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 imaginable can be found including kiwi, pineap pie, pear, vanilla, raspberry, apple, lemon, sage, rosemary, and mango to name a few. Every scent canEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
also be found in combi nation with every other scent to create stores selling nothing but hundreds of cleansers each with a different color and scent 15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2Selecting the proper cleanser is key to maintaining the skin acid mantle and preserving skin health.Cleansers come in many different formulations for body cleansing including bars, liquids, and scrubs all trying to achieve the optimal clean and fresh feel. There are foaming and nonfoaming cleansers Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2customized to each and every body area. There are scented and unscented cleansers with some labeled as appropriate for sensitive skin. There are cleanEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
sers for women and separate formulations for men. However, in reality, there are some basic categories of cleansers upon which many variations have be15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2g staple for 4000 years, ever since the Hittites of Asia Minor cleaned their hands with the ash of the soapwort plantsuspended in water and the Sumerians of Ur produced alkali solutions for washing. Neither of these products, however, is chemically similar to soap as it is known today. The actual mo Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2dern soap preparation was developed about i>00 BC by the Phoenicians who first saponified goat fat, water, and potassium carbonate-rich ash into a solEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
id, waxy product. The popularity of soap has waxed and waned over the years. During the Middle Ages, soap was outlawed by the Christian Church who bel15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 widely marketed soap was developed by Harley Procter in 1878, who decided that his father’s soap and candle factory should produce a delicately scented, creamy while soap to compete with imported European products. He accom plished this feat with the help of his cousin chemist, lames Gamble, who ma Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2de a richly lathering product called "White Soap.” By accident, they discovered that whipping air into the soap solution prior to molding resulted inEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
a floating soap that could not be lost in the bathe (1). This resulted in a product known as “Ivory” soap, still manufactured today.Soap functions by 15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2manufacturing stages in a typical bar soap are listed in Table 15.1 (2).I n basic chemical terms, soap is a reaction between a fat and an alkali resulting in a fatly acid salt with detergent properties (3). Modern refinements have attempted to adjust its alkaline pH, possibly resulting in less skin Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2irritation (4), and incoqxsratc substances to prevent precipitation of cakium fatly acid salts in hard water, known as “soap scum” (3). Nevertheless,Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
modern soap is basically a blend of tallow and nut oil, or the fatly acids derived from these products, in a ratio of 4:1. Increasing th is ratio resu15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2n Table 15.2.Soap is a reaction between a fat and an alkali resulting in a fatly acid salt with detergent properties.Soap is a common term used by many as synonymous with cleanser. However, soap is a specific cleanser with a definite chemical composition. Soap is defined as a chemical reaction betwe Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2en a fat and an alkali resulting in a fatty acid salt with detergent properties (7). The simplest soaps are manufactured in the bar form. There arc cuEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
rrently three different types of bar cleansers on the market, all called "soap” by consumers, but with very different skin effects. There are the true15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 revolutionized health care in the United States. Perhaps soap, more than any other invention, has improved115116COSMETICSAND DERMATOLOGICAL PRCTable 15.1 Steps in Soap Manufacture1Saponification of natural fats and preparation of milling chips2Blending of soap chips with other ingredients3Milling a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2nd shredding4Extrusion into long strips, known as billets, and cutting into appropriate lengths5Stamping into the final shape6Ageing and packagingTablEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
e 15.2 Types of ơcanscrs1 True soaps composed of long-chain fatty acid alkali salts, pH 9-102Syndets composed of syntlietic detergents and fillers, wh15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 20the quality of human life by preventing the spread of disease. This is the type of soap that grandma cooked in her backyard from ash and animal fat. I he high pH of these cleansers is excellent at thoroughly removing sebum, but can also damage the intercellular lipids in diseased or sensitive skin. Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 This formulation also experiences difficulty when used with hard waler. The alkali chemically combines with calcium and other minerals in the water tEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
o form what is commonly termed “soap scum." Soap sc tun decreases the ability of the soap to rinse cleanly from the skin, causing irritant contact der15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 previously mentioned.SYNDFTSFollowing the development of true soaps, came the invention of synthetic detergents. Synthetic detergents are known as syndets and contain less than 10% real “soap.” Bather than possessing a highly alkaline pl I, these products can be macle with a pl I adjusted to 5.5 to Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 7. This more neutral pl I is similar to the normal acid mantle pH of the skin causing less irritation. The lightness that is experienced following clEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
eansing is actually the perception of altered skin pH. This is not a problem in normal complec ted individuals, but can be a source of concern in pers15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2 that the light feeling is possibly an indicator of impending skin disease. Most syndet cleansers leave the skin with a smooth, sometimes slimy, feel that indi cates that the intercellular lipids have not been removed and the skin barrier is intact. Syndet cleansers, sometimes known as beauty bars, Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2arc the most popular cleansers in use today. They offer milder, yet thorough, cleansing of all body areas.Syndets are made from synthetic detergents,Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
most commonly sodium cocoyl isethionate, and provide the most gentle cleansing.The purpose in developing new synthetic detergents over traditional soa15 Personal hygiene, cleansers, and xerosisOptimal personal hygiene has conic to mean bathing daily with lots of soap lather and abundant hot water, a Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2lm kernelate, sodium stearate, sodium palmitate, triethanolamine stearate, sodium cocoyl isethionate, sodium isethionate, sodium dodecyl bezenc sulfonate, and sodium coco glyceryl ether sulfonate. Detergents in liquid formulations arc sodium laurcth sulfate, cocoamido propyl betaine, lauramidc dieth Ebook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2anolamine, sodium cocoyl isethionate, and disodium laureth sulfosuccinate. The normal pl 1 of the skin is acidic, between 4.5 and 6.5. Applying alkaliEbook Cosmetics and dermatologic problems and solutions (3rd edition): Part 2
soap theoretically raises the pH of the skin allowing it to feel dry and uncomfortable (9). However, healthy skin rapidly regains its acidic pH (10).Gọi ngay
Chat zalo
Facebook