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New in Application/Category (page 44 of 52)
Jan 07, 2004 | 04:11 PM CST
A Laboratory Method for Measuring the Water Resistance of Sunscreens
By: Berislav Markovic, Donna Laura and Mark Rerek,…
A new laboratory in vitro method for the measurement of sunscreen water resistance uses spectrophotometric analysis of a model skin substitute before and after 80-minute immersion. It gives good correlation with the FDA’s 80-minute immersion SPF results (very water resistant). The method is especially good for screening new formulations or water-resistant technologies.
Jan 07, 2004 | 03:46 PM CST
Computerized Measurement and Correction of Color Cosmetics
By: Nick Morante, Color Science Laboratory, Estee …
With a spectrophotometer and computerized color measurement software, the cosmetic chemist can do both basic color quality control and color formulation and correction easily in the lab.
Dec 31, 2003 | 06:19 PM CST
Cyclic Testing: Demonstrating Conditioner Benefits on Damaged Hair
By: Sidney B. Hornby, Mar-Tech Contract Services I…
Cyclic fatigue testing simulated stresses experienced by hair fibers from repeated grooming and styling. Researchers used the Weibull parameter of characteristic life to assess damage. Survival probability graphs showed conditioner use helped damaged hair.
May 06, 2003 | 02:00 AM CDT
A Novel Silicone-based O/W Emulsifier with Skin Smoothing Sensation
By: Thomas Dietz, Goldschmidt AG
This article describes a new polyether-modfied polidimethylsiloxane that has shown skin moisturization and skin smoothing capability in objective and sensory panel tests.
May 06, 2003 | 02:00 AM CDT
Using Silicones to Formulate Bath Products for Tropical Climates
By: He, C ;Vagts, A
Several silicone materials can provide formulating solutions for bath and shower products designed for tropical areas in Southeast Asia.
May 06, 2003 | 02:00 AM CDT
"Precautionary" Regulation Genetics and Cosmeceuticals in the 21st Century
By: Thomas P. Redick, Galllup, Johnson & Neuman; L…
"Precautionary" regulation genetics and cosmeceuticals in the 21st century.
May 06, 2003 | 02:00 AM CDT
Topical Formulations Conforming to the Structure of the Skin
By: Vladimir Vacata, Birgit Gertchen-Ohligschlager…
Biomolecules with physical properties similar to those of the permeability barrier--including the property of forming lamellar structures--offer an alternative to the potentially harmful emulsifiers in topical formulations.
May 06, 2003 | 02:00 AM CDT
Cryptotanshinone for Treating Acne Vulgaris
By: Nae-Gyu Kang, Ji-Eun Park, Young-Sook Song, Ju…
Tests of stability and toxicity and clinical evaluation of anti-acne activity suggest that cryptotanshinone, a constituent of the roots of Salvia miltiorrhiza Bunge, is an effective active ingredient for acne vulgaris treatments.
May 06, 2003 | 02:00 AM CDT
Topically-Applied Soy Isoflavones Increase Skin Thickness
By: Schmid, D ;Zülli, F
The placebo-controlled study in humans has shown that soy isoflavones have a potent effect on the improvement of skin thickness in aged skin. The authors discuss the possible mechanisms of action.
May 06, 2003 | 02:00 AM CDT
Heat- and UV-Stable Cosmetic Enzymes from Deep Sea Bacteria
By: Claire mas-Chamberlin, Fracois Lamy, Philippe …
The use of protective enzymes in cosmetics has been resisted because of their well-known instability. However, we report here on heat- and UV-stable enzymes obtained from hydrothermal vents deep in the ocean.