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Trimethylglycine is an amino acid derivative with the formula (CH 3) 3 N + CH 2 CO − 2.A colorless, water-soluble solid, it occurs in plants. [5] Trimethylglycine is a zwitterion: the molecule contains both a quaternary ammonium group and a carboxylate group.
Cocamidopropyl betaine is used as a foam booster in shampoos. [4] It is a medium-strength surfactant also used in bath products like hand soaps.It is also used in cosmetics as an emulsifying agent and thickener, and to reduce the irritation that purely ionic surfactants would cause.
Cocamidopropyl betaine is an example of a betaine. A betaine (/ ˈ b iː t ə. iː n, b ɪ ˈ t eɪ-,-ɪ n /) in chemistry is any neutral chemical compound with a positively charged cationic functional group that bears no hydrogen atom, such as a quaternary ammonium or phosphonium cation (generally: onium ions), and with a negatively charged functional group, such as a carboxylate group that ...
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Dimethylaminopropylamine (DMAPA) is a diamine used in the preparation of some surfactants, such as cocamidopropyl betaine which is an ingredient in many personal care products including soaps, shampoos, and cosmetics. BASF, a major producer, claims that DMAPA-derivatives do not sting the eyes and makes a fine-bubble foam, making it appropriate ...
Benzyl benzoate can be a skin irritant when used as a topical scabicide. [7] Overdose can result in blistering and hives or a rash can occur as an allergic reaction. [12] [13] As an excipient in some testosterone-replacement injectable medications, benzyl benzoate has been reported as a cause of anaphylaxis in a case in Australia. [14]
It is placed over the cervix with spermicide before sex and left in place for at least six hours after sex. [5] [6] Fitting by a healthcare provider is generally required. [5] Side effects are usually very few. [6] Use may increase the risk of bacterial vaginosis and urinary tract infections. [3]
Natural skin care uses topical creams and lotions made of ingredients available in nature. [1] Much of the recent literature reviews plant-derived ingredients, which may include herbs , roots , flowers and essential oils , [ 2 ] [ 3 ] [ 4 ] but natural substances in skin care products include animal-derived products such as beeswax , and minerals.