Build a solid foundation in science, formulation and product development—find out more!
Most Popular in:
Heated Sunless Tanning for Rapid Color and Other Topics: Literature Findings
By: Charles Fox, Independent Consultant
Posted: May 27, 2010, from the June 2010 issue of Cosmetics & Toiletries.
page 5 of 6
A similar result was found for 2-methylbutyl 2-methylbutyrate, 2-methylbutyl acetate and prenyl acetate. Surprisingly, no antimicrobial effects were observed with methyl, 2-methylbutyrate against Escherichia coli; with 2-methylbutyl angelate and methyl 2-methylbutyrate against Klebsiella pneumonia; or with isobutyl isobutyrate against Staphylococcus aureus. The researchers hypothesized that the high antimicrobial activity of Roman chamomile oil could result from the effects found in the main and minor constituents of the oil.
Film-forming shaving compositions: The Procter & Gamble Company formulated cationic and lubricant polymers in a film-forming shaving composition.16 The composition comprised: a base composition consisting of a film-forming system containing one or more film-forming polymeric materials, i.e., a cationic polymer; one or more water-soluble or water-dispersible surface active agents; and an optional lathering agent disposed within the base composition. A shaving preparation containing hydroxyethyl cellulose, cationic polyquaternium-10b, PVP and copolymer of vinylidene chloride, acrylonitrile and methyl methacrylate was exemplified.
Fresh feel transparent gel: Kao Corp. published a patent on transparent cosmetic gel compositions containing urea, a urea stabilizer containing a hydroxyl acid or its salt, and 0.65–2.0% carboxyvinyl polymer.17 The composition had good storage stability and provided a fresh feeling on the skin with smooth stretchability. The composition could further contain a surfactant and/or a polyhydric alcohol. An example of a transparent gel lotion is shown in Formula 8.
Whitening and wrinkle-fighting women’s panties: Skin-whitening women’s panties containing one or more gel blocks of arbutin, kojic acid, L-ascorbic acid, collagen, ubiquinol and hydroquinone were recently patented in Taiwan.18 Each of these ingredients were covered by a release film attached to the panties that pressed close to the groin, waist and borders between hips and legs of the user. After the release film is torn and the panties are worn by the user, skin whitening, skin color lightening and wrinkle-softening agents contained in the gel blocks perform their functions to the skin covered by the panties while not disturbing the user’s daily life.
Reproduction of the article without expressed written consent is strictly prohibited.