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Testing
New in Testing (page 23 of 24)
May 06, 2003 | 02:00 AM CDT
CTFA Preservative Challenge and Stability Testing Survey
By: The Cosmetic Toiletry and Fragrance Associatio…
CTFA conducted a survey in 1999 to determine the consistency of the industry's procedures for preservative and stability testing used by the cosmetic industry.
May 06, 2003 | 02:00 AM CDT
Open Assay Models (Washing) for Evaluating Subclinical Irritant Dermatitis
By: Howard I. Maibach, MD, and Veranne Charbonnier…
To avoid the acute irritation and dryness that a sincle occlusive surfactant application (24-h) patch tes4t may cause, and to more realistically approximate actual consumer use, an open assay model was chosen.
May 06, 2003 | 02:00 AM CDT
Correlating Porosity and Tensile Strength of Chemically Modified Hair
By: Ali N. Syed and hasan Ayoub, Avlon Industries …
This study validates the porosity method against the widely accepted method of tensile strength for determining the hair damage imparted to hair due to cosmetic treatments.
May 06, 2003 | 02:00 AM CDT
Testing A New Platform for Skin Care Emulsions
By: Anja Gestmann, Valerie Bonnardel and Jocelyne …
The authors describe how to test an ingredient for its potential as a skin care emulsion platform using, as an example, a new starch-based ingredient called hydroxypropyl starch phosphate.
May 06, 2003 | 02:00 AM CDT
Using Tissue Engineered Skin to Eveluate the Irritation Potential of Skin Care Products
By: Bart De Wever and Véranne Charbonnier
Using tissue engineered skin to evaluate the irritation potential of skin care products.
May 06, 2003 | 02:00 AM CDT
The Safety Factor in Preservative Efficacy Testing
By: Donald S. Orth, Neutrogena; David C. Steinberg…
The authors explain how preservative efficacy testing is done to determine whether a formula is adequately preserved. Product contamination problems are frequently caused by inadequate preservation.
May 06, 2003 | 02:00 AM CDT
Cosmetic Testing in 2000 and Beyond
By: Johann W. Wiechers, PhD, Uniqema
Changes in cosmetic testing are being driven by regulation and advanced technologies, such as new in vitro methods, molecular combinational chemistry and skin delivery. Part of the Series: From Test to Claim.
May 06, 2003 | 02:00 AM CDT
Measured Dermal Effect of Applying Retin-A
By: George Andrassy and Howard I. Maibach, Univers…
The research reported here focuses on the dermis because it is the site of the primary water retention molecule, hyaluronic acid (HA) in the skin.
May 06, 2003 | 02:00 AM CDT
Video Imaging in the Measurement of Makeup Efficacy and Performance
By: Rodolphe Korichi, LVMH Lab R&D
Video imaging techniques add quantitative data about the visual effects of makeup when evaluating efficacy and performance of products such as mascaras, lip colorants, facial foundations and nail enamels.
May 06, 2003 | 02:00 AM CDT
Dermagenetics
By: James V. Gruber and Kevin O'Brien, Arch Person…
The advent of the complete transcribing of the human genome will forever alter our perceptions of skin care, medicine and nutrition. This column is edited by Lawrence A. Rheins, PhD.