Cosmetics and Toiletries articles from March 1994

Cosmetics and Toiletries archives from March 1994

Evaluating raw materials and finished products. (cosmetics)
March 1, 1994... In previous articles we have discussed the principles of formulating cosmetic products and the process of evaluating their stability. This article focuses on the types of tests that the cosmetic formulator should be familiar with in order to...

Atomic force microscopy investigation into the adsorption of cationic polymers.
March 1, 1994... Conditioning polymers are widely used in the cosmetics industry. It is generally accepted that they act by adsorbing onto the relevant keratin substrate (hair or skin). This means that, at least in part, conditioning involves interfacial...

Silicones for cosmetics and toiletries: an environmental update. (methyl silicones)
March 1, 1994... It is ironic that environmental concern over atmospheric ozone depletion (in the stratosphere) was the motivating factor in accelerating the widespread use of methyl silicones in the personal care industry in the late 1970s. Now, just more...

Cysteine waving lotions; past improvements and future prospects. (Japan's permanent waving lotion law, Standards for Approval for Manufacturing Permanent Waving Lotion)
March 1, 1994... The "Standards for Permanent Waving Agents," [1-4] enacted in accordance with the Japanese Pharmaceutical Affairs Law of November 1, 1956, were repealed on February 10, 1993. They were replaced by the quality standards attached to the newly...

Silicone phosphobetaines. (use in cosmetics)
March 1, 1994... The term phospholipid relates to a fatty material (a lipid) which also contains aphosphate group. There are many compounds which fail under this umbrella. One group of phospholipids consists of naturally occurring compounds found in cell...