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Delivery
New in Delivery (page 4 of 15)
Apr 10, 2012 | 04:43 PM CDT
Comparatively Speaking: Solubility vs. Partition Coefficient
By: Anthony J. O'Lenick Jr., Siltech LLC
Here, industry expert Tony O'Lenick explains the difference between solubility and partition coefficient, as the understanding can lead to a better delivery of a formulation's materials.
Mar 30, 2012 | 03:47 PM CDT
Nanotechnology in Cosmetics: A Review
By: Xiao Wu, PhD, College of Pharmacy, University …
As the commercial applications of nanotechnology have increased in the past decade, a number of nanoparticles are now being used in cosmetic products with optimized sensory attributes and consumer-perceivable benefits. This article reviews various forms of nanoparticles used in the cosmetic industry, discussing their properties, interactions with the skin and potential health effects.
Mar 30, 2012 | 03:22 PM CDT
Pseudopeptidic Compounds for Biocompatible Gels: A Review
By: Santiago V. Luis, PhD; M. Isabel Burguete, PhD…
Simple pseudopeptides derived from natural amino acids can be designed and prepared as efficient gelators for a variety of solvents, and with a high potential for biocompatibility. The appropriate selection of structural components, reviewed herein, shows how to produce gels with tailored properties, including high thermal stability.
Mar 01, 2012 | 03:48 PM CST
Proliposome-coated Mica With Bioactives for Benefits in Facial Powders
By: Malyn Chulasiri, PhD, Better Way (Thailand) C…
The article discusses the preparation of proliposome-coated mica harboring bioactives from plant origin that have skin-whitening/-lightening effects. The treated mica is incorporated into facial powder for skin-smoothing, -moisturizing and -lightening properties, which are evaluated here.
Mar 01, 2012 | 03:42 PM CST
Formulating Focus—Delivering Actives via Solid Lipid Nanoparticles and Nanostructured Lipid Carriers: Part III, Stability and Efficacy
By: Johann W. Wiechers, PhD, JW Solutions; and Eli…
Part I of this review on Solid Lipid Nanoparticles (SLNs) and Nanostructured Lipid Carriers (NLCs) discussed the differences of these two delivery systems for cosmetic actives, as well as their production methods and selection criteria for constituents. In Part II, the characterization of these nano-sized particles was considered. In Part III, presented here, their stability and efficacy are considered; Part IV will address their application in cosmetics.
Mar 01, 2012 | 11:24 AM CST
Fishing for Ideas at Informex USA 2012
By: Rachel L. Grabenhofer
At first, this cosmetics R&D trade journal editor felt like a fish out of water at the Informex USA specialty chemicals exhibition. However, some novel nibbles and a few big catches were made there for personal care R&D.
Feb 09, 2012 | 02:01 PM CST
Hybrid Silicone Powders for Oil Absorption in Cosmetics
Shin-Etsu Silicones of America, a US subsidiary of Shin-Etsu Chemical Co. Ltd., has added two oil-absorbing spherical powders to its KSP line of hybrid silicone powders. The line combines a silicone rubber core with a with a silicone resin shell to provide feel and visual benefits to cosmetic formulations.
Jan 05, 2012 | 03:17 PM CST
Delivering Actives via Solid Lipid Nanoparticles and Nanostructured Lipid Carriers: Part II, Nanoparticle Characterization
By: Johann W. Wiechers, PhD, JW Solutions; and Eli…
Part I of this review on Solid Lipid Nanoparticles (SLNs) and Nanostructured Lipid Carriers (NLCs) as delivery systems for cosmetic actives appeared in the October 2010 issue of Cosmetics & Toiletries magazine. Part II, presented here, describes how to characterize SLNs and NLCs; part III, in March 2012, will discuss the stability and occlusion properties of actives and liquids in SLNs and NLCs, and examine their efficacy. Finally, part IV, in May 2012, will discuss the use of SLNs and NLCs in cosmetic products.
Dec 02, 2011 | 02:14 PM CST
Improving Deposition From High-water Formulas Using Amphiphilic Polymers
By: Mussarat Noor; Richard Goddard, PhD; and Arnol…
Effective high-water skin care systems may play an important role in addressing emerging market consumer needs. The present study considers the challenges of such systems, particularly regarding the deposition of ingredients across water solubilities, and proposes an amphiphilic cationic polymer as one possible solution.
Nov 22, 2011 | 04:42 PM CST
Substantive, Low Tack Polyhydric Alcohol Ester
The Lubrizol Corp.’s Noveon Consumer Specialties has created a polyhydric alcohol ester said to offer the comfort and targeted delivery of a heavy ester as well as the high slip and low tack of a light ester.