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Recent in Function (page 37 of 40)

3-O-Ethyl Ascorbic Acid: A Stable, Vitamin C-Derived Agent for Skin Whitening

Melanin-reducing agents are considered safer alternatives to melanocytotoxic compounds. Thus, the present work examines the effects of 3-O-ethyl ascorbic acid on enhancing skin tone by reducing melanin through the inhibition of tyrosinase-related proteins. Described studies include tyrosinase and TRP-2 inhibition, in vitro and ex vivo melanin inhibition, clinical whitening, DNA protection and collagen synthesis.

Inhibiting Cathepsin G to Protect Against Photoaging and Infra’aging

Ultraviolet and infrared exposure are sources of premature skin aging, characterized by solar elastosis and extracellular matrix degradation. Polygonum aviculare extract is a cathepsin G inhibitor, and is shown here to oppose photoaging and infra’aging by improving skin firmness and elasticity, in turn reducing the appearance of wrinkles.

Grant Addresses Chapped Winter Skin with Intense Hydration Series

Grant Industries will be presenting its Intense Hydration Series at the California chapter of the Society of Cosmetic Chemists' Suppliers' Day (CaliSCC).

Lubrizol Introduced High-foam, Plant-based Surfactant for Cleansing

Lubrizol Advanced Materials has created a concentrated, plant-based surfactant that provides rich creamy foam in cleansing applications.

Jeen Combines Organic Acids and Boosters for Alternative Preservation

Jeen International Corp. has combined organic acids and efficacy boosters in a glycerin base to offer formulators an alternative to traditional preservatives.

PIT Versus PIF for the Rational Formulation of Emulsions

This article deliberately pushes the boundaries for cosmetics scientists, showing how the much-used phase inversion temperature (PIT) technique is a limiting special case of a more versatile, rational approach to surfactant optimization: HLD-NAC. This simple way of understanding the basic interactions within emulsion formulations can be generalized to create totally new ways of formulating stable emulsions.

Ingredient Profile: Decyl Glucoside

Alkyl polyglucoside (APG) surfactants continue to be a popular choice of formulators seeking to improve the sustainability of cleansing products for personal care, hard surface cleaning, dishwashing, laundry and industrial/institutional applications.

Polyacrylate-33 for Thickening and Suspending in Low Surfactant Cleansers

Described herein is a hydrophobically-modified acrylic copolymer, polyacrylate-33, which is designed for low-to-medium surfactant-containing cleansers. The ingredient is shown to display high thickening efficiency and good suspension properties and shear-thinning rheology in sulfate-based and sulfate-free chassis. Further, it enables transparent formulations in the presence of salt with improved foaming and sensorial properties.

Evonik Introduces Eco-friendly, Polyglyceryl Emulsifier for Challenging Emulsions

At the Florida chapter of the Society of Cosmetic Chemists' (FLSCC) Sunscreen Symposium, Evonik will debut its PEG-free, o/w emulsifier for challenging fluid emulsions such as modern sun care formulations.

Effect of Perfumes on the Viscosity of Surfactant Systems

It is well-known that perfumes can affect the viscosity of bubble bath or shampoo formulations. Usually they have a thinning effect, but they can also cause a viscosity increase. The effect and its magnitude will vary with perfume type and also with the product formulation. Small changes in the latter can cause large changes in a perfume's effect on the viscosity.

Part II: The Clinical Effects of a Natural Dipeptide on the Biological Cascade

The peptide N-Acetyl-Tyr-Arg-Hexadecylester (NATAH), found in Part I to stimulate the production of elastic fibers in vitro, was next tested in vivo for its capacity to improve skin elasticity parameters, using various biophysical and imaging techniques. Significant differences in facial ptosis and extensibility were observed in the 56-day, vehicle-controlled clinical study described here.

Saccharide Isomerate to Deeply Hydrate Skin and Scalp

Saccharide isomerate, designed to closely resemble a carbohydrate complex found in human stratum corneum, is shown here to provide up to 72 hr of deep hydration to skin and, for the first time, rinse-off soothing to the scalp. Its unique binding mechanism to skin and scalp create new opportunities for leave-on and rinse-off products.

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