chemical substances we found in shampoo

Some chemical subtances we found in shampoo :)


Water

Water is a chemical substance with the chemical formula H₂O. From a biological standpoint, water has many distinct properties that are critical for the proliferation of life that set it apart from other substances. It carries out this role by allowing organic compounds to react in ways that ultimately allow replication.

. Sodium laureth sulfate

Sodium laureth sulfate, or sodium lauryl ether sulfate (SLES), is a detergent and surfactant found in many personal care products (soaps, shampoos, toothpaste etc.). SLES is an inexpensive and very effective foaming agent. Although SLES is considered safe at the concentrations used in cosmetic products, it is an irritant similar to other detergents, with the irritation increasing with concentration. SLES has been shown to produce eye or skin irritation in experimental animals and in some human test subjects.

·       Dimenthiconol

This ingredient functions as a skin/hair conditioner, anti-foaming agent and emollient. Like most silicones, this ingredient has a unique fluidity that makes it easily spreadable. When applied to the skin, its known for creating a subtle gloss that feels smooth and silky to touch. the large molecular weight of silicone based polymers such as dimethicone, it would be very unlikely for it to penetrate past the surface of the skin. 

·      Cocamidopropyl betaine

Cocamidopropyl betaine is a synthetic surfactant derived from coconut oil and dimethylaminopropylamine. It is a zwitterionic chemical compound with a quaternary ammonium cation. It is a viscous pale yellow transparent liquid and is used as a surfactant in bath products such as shampoos and hand soaps, and in cosmetics as an emulsifying agent and thickener, and to reduce irritation purely ionic surfactants would cause. It also serves as an antistatic agent in hair conditioners. CAPB has been claimed to cause allergic reactions in some users, but a controlled pilot study has found that these cases may represent irritant reactions rather than true allergic reactions.

·      Perfume

is a mixture of fragrant essential oils or aroma compounds, fixatives, and solvents used to give the human body, animals, objects, and living spaces "a pleasant scent." The odoriferous compounds that make up a perfume can be manufactured synthetically or extracted from plant or animal sources.

·      Carbomer 

Carbomer is also a generic name for synthetic high molecular weight polymers of acrylic acid used as thickening, dispersing, suspending and emulsifying agents in pharmaceuticals and cosmetics. They may be homopolymers of acrylic acid, crosslinked with an allyl ether pentaerythritol, allyl ether of sucrose or allyl ether of propylene. Carbomers are found in the market as white and fluffy powders. They have the ability to absorb, retain water and swell to many times their original volume.

Guar hydroxypropyltri-monium chloride

Guar hydroxypropyltrimonium chloride is an organic compound that is a water-soluble quaternary ammonium derivative of guar gum. It gives conditioning properties to shampoos and after-shampoo hair care products. The effects of the cationic charge density, guar concentration in aqueous solution, and treatment time on bleached European hair have been studied. A mechanical testing method has been successfully applied to determine the efficacy of cationic guars to improve the ease of combing. The results were confirmed in a shampoo formulation on both virgin and bleached hair.

·      Disodium EDTA

Disodium EDTA is frequently found in ingredients lists of personal care products, manufactured foods and beverages, cleaning supplies, cosmetics, and skin care products. Disodium EDTA also has extensive industrial, medical and engineering applications and is one of the most important and widely used chemical compounds in modern human society.

·      Sodium hydroxide

Sodium hydroxide is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.

·      DMDM hydantoin

Cosmetic Ingredient Review (CIR) Expert Panel has evaluated DMDM hydantoin and concluded "that it was safe to a great majority of consumers but has limited the concentration to 0.2% free formaldehyde due to the skin sensitivity of some individuals to this agent."A study found "An increase in the use of DMDM hydantoin in cosmetic products will also inevitably increase the risk of cosmetic dermatitis in consumers allergic to formaldehyde."