By John Toedt; Darrell Koza; Kathleen Van Cleef-Toedt
Not only tables of arcane symbols and numbers, yet essays for common readers clarify the parts and their motion in such items as soaps and laundry, cosmetics and toilet, overall healthiness and scientific, child, cleansing, lighting fixtures, universal family and garden, automobile and common fix, and workplace provides. Toedt (physical sciences), Darrell Koza (chemistry, either, jap Connecticut country U.) and Kathleen van Cleef-Toedt (physiology and neurobiology, U. of Connecticut) additionally conceal such universal fabrics as paper, plastic, cement, and spray paint. The appendix units out protocols for laboratory workouts.
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Additional info for Chemical Composition of Everyday Products
In the late nineteenth and early twentieth centuries, European women mixed yeast with water or used COS ME T I C S A ND B A T H R OOM P R O D U C T S 31 yogurt alone as a cosmetic facial mask. By the mid 1960s, the back-tonature movement led to the use of ingredients such as eggs, honey, milk, cream, strawberries, cucumbers, olive oil, oatmeal, and mayonnaise in “homemade” mask recipes. At the start of the twenty-ﬁrst century, modern commercially developed facial masks include natural product ingredients, along with chemically advanced active ingredients, to support the competitive consumer-driven cosmetic market.
Oleic acid, stearic acid, linoleic acid, lauryl alcohol, cetyl alcohol, stearyl alcohol, glycol stearate, polysorbate 20, beeswax, lanolin, glycerin, mineral oil, almond oil, and avocado oil). , parabens, disodium EDTA, diazolidinyl urea), color, and fragrance are also often added to provide product substance, ensure product chemical reactivity, enhance antioxidant properties, strengthen hair roots, stimulate natural growth, stimulate keratinization, protect against damaging sun-based UV radiation, ensure product antimicrobial purity, and enhance product quality.
Proteolytic enzymes had been tried as additives to washing powders in Germany in the 1920s and again in Switzerland in the 1930s with limited success. Eventually, better strains of enzymes were developed, with stability to a wider pH spectrum, stability against the addition of bleaches, and quicker action. S. consumer market containing enzymes. Enzyme presoaks are S OA P S A ND L A UND R Y P R O D U C T S 21 used to soak items before washing to remove and decompose difﬁcult protein-based stains and soils, including food, grass, and blood.
Chemical Composition of Everyday Products by John Toedt; Darrell Koza; Kathleen Van Cleef-Toedt