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Sep 25, 2014
Problems with skin protectants include unsatisfactory performance, poor prospects for improvement, and the lack of methods for evaluation. Such problems are introduced here, while insights in the area of perfluoropolyethers and concepts to push skin protectants to new efficacies will be discussed in follow-up articles.
Sep 17, 2014
Incorporating performance ingredients in a formula does not guarantee they will penetrate the skin and deliver the claimed benefits. This review presents topical delivery approaches introduced in the past five years to improve the efficacy of benefit ingredients for skin care. Examples include molecular, carrier and Trojan horse delivery. Non-conventional delivery systems also are described.
Jun 1, 2014
This article describes how to identify allergic contact dermatitis resulting from hair dye, and outlines prevention principles for those who wish to continue dyeing their hair despite being allergic—with clear implications for those formulating these products. The main sensitizers in hair dye are discussed, along with techniques to minimize exposure to these allergenic substances.
Jun 1, 2014
Hair damage from environmental and cosmetic treatments is a continuing concern. Efforts are under way to understand hair degradation and devise means to protect and repair hair from the damage. This short review is an attempt to summarize recent advances toward protecting and repairing human hair.
May 1, 2014
For skin cancer, skin aging and acne, retinoids have proven both preventive and therapeutic. Successful efforts toward more bioavailable vitamin A derivatives and retinoid formulations have increased their use for cosmetic benefits. Recent work to further optimize retinoids and reduce their side effects has yielded a new generation of promising molecules, described here.
Apr 23, 2014
The effective preservation of personal care products and cosmetics is vitally important to inhibit microbial growth. Phenoxyethanol has a long history as an effective preservative, with well-documented human and environmental safety profiles. This is a valuable option in formulators’ and microbiologists’ toolboxes for safe and effective control of microbial growth, as is reviewed here.
Feb 21, 2014
Betty Yu, PhD, and her team at Living Proof have entered the skin care market with a flowable silicone polymer technology that cross-links upon activation to form a breathable, invisible film designed to contour and tighten the eye area, reducing the appearance of under-eye bags.
Feb 21, 2014
To protect enamel, new mechanisms in classic oral care continue to be uncovered, while modern advances mimic and enhance natural protective systems. New approaches to enamel repair include augmenting natural remineralization by creating reservoirs of ions and applying saliva biomimetics. Such technologies, described here, represent significant advances for repairing and protecting teeth noninvasively.