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149 Results
Type: Article
Section: Formulas/Products > Bath/Shower
Cosmetic Ingredients
Formula Anatomy Deciphered—Chelating Agents
The mechanism for chelation, described as a chelate complex, is based on multiple bonding (polydentate ligand) around a single central atom.
Cleansing
Cocamidopropyl Betaine
This paper presents methods for producing cocamidopropyl betaine (CAPB), an important secondary surfactant in cosmetic formulations, household cleaners, dish-washing agents and technical applications. However, with the widespread use of CAPB, more analytical methods to determine its contents and byproducts are needed. These authors thus describe methods to determine CAPB purity and other characteristics.
Cleansing
Comparatively Speaking: Alkyl Betaines vs. Amido Betaines
Industry expert Tony O'Lenick asks Robert Coots, Ph.D., to explain the difference between alkyl betaines and amido betaines, including their foaming properties.
Cosmetic Ingredients
Ingredient Profile—Polysorbate 20
Polyoxyethylene (20) sorbitan monolaurate (INCI: Polysorbate 20), is a ubiquitous nonionic surfactant employed in the formulation of countless cosmetic and personal care products.
Cleansing
Sodium Laurylglucosides Hydroxypropyl Sulfonate for Sulfate-free Formulations
The use of sulfonated alkyl polyglucosides (SAPG) to replace lauryl sulfates and lauryl ether sulfates in sulfate-free formulations has previously been discussed. These primary surfactants were created with environmental and human safety in mind. The current paper describes more recent work with this material, specifically focusing on the lauryl version of SAPG.
Literature/Data
Patent Picks—Antimicrobials, Cleansers, Fragrance/Malodor and Delivery
This edition of "Patent Picks" features recently issued patents relevant to cosmetic product development, from antimicrobial compositions and ceramide emulsions, to foaming alcohol, fragrances and cysteine to counteract malodor, among others.
Cleansing
Comparatively Speaking: Amphiphilic vs. Ionic Amphiphilic Molecule
Tony O'Lenick explains the difference between amphiphilic and ionic amphiphilic molecules, the interactions of which may help formulators to maximize the effectiveness of formulations.
Literature/Data
Patent Picks—Esters for Feel, UV Protection, Salt-free Thickening and More
This edition of "Patent Picks" features recently issued patents relevant to bath, shower, hygiene and cleansing applications.
Cleansing
Comparatively Speaking: CAPB from Coconut Oil vs. Fatty Acid
Anthony J. O'Lenick, Jr., explains that CAPB can be made from two different processes, one with coconut oil and the other with fatty acid, which create two potential differences that affect how the material works in a formulation.
Skin Care
Formulating Results
My resolution to you, dear reader, is to help you achieve success in the New Year through the Cosmetics & Toiletries (C&T) brand. How might I do this? By listening.
Cleansing
Comparatively Speaking: Amphoteric vs. Ampholyte
Here, O'Lenick explains the terms
amphoteric
, which is used to describe compounds having two or more different groups with various charges, and
ampholytes
, which have a fully quaternized nitrogen and consequently cannot lose their positive charge.
Cleansing
Comparatively Speaking: Surface Tension in Water vs. in Formulation
Many published studies of surfactants use pure surfactant in distilled water. However, a formulation is almost never a single surfactant in water. Here, industry expert Tony O'Lenick compares the surface tension of a surfactant added in water with that in a formulation.
Event Coverage
CosmeticsXchange Stirs Up Cosmetic Creativity
The second annual CosmeticsXchange (CTX) began Sunday, Nov. 15, 2009, with an evening cocktail reception to break the ice. Held at the Arizona Grand Resort in Phoenix, USA, attendees mingled around the pool among colleagues and peers and discussed various topics of importance within the cosmetics R&D industry.
Cleansing
Comparatively Speaking: Aqueous Surfactant vs. Silicone Surfactant
Industry expert Anthony O'Lenick Jr. explains the difference between molecules that act like surfactants for aqueous systems versus oil systems.
Cleansing
Comparatively Speaking: Solubility in Surfactants vs. Compounds
Anthony J. O'Lenick provides a brief overview of solubility as the key to surfactant activity and compares it with compounds such as sodium chloride, for the benefit of novice formulators.
Moisturizing
Using Silicones to Formulate Bath Products for Tropical Climates
Several silicone materials can provide formulating solutions for bath and shower products designed for tropical areas in Southeast Asia.
Cleansing
Surfactants and Cleansing Products
Today, cleansing products are available in solid bar, liquid and gel forms and can be based on alkaline salts and synthetic and natural surfactants. When substituted for alkaline salts, synthetic and natural surfactants improve the foam structure and mildness of formulas.
Colorant
Formulator's Forum
The word pearlescence (Merriam-Webster Dictionary) first appears in the English language in 1936 and is defined as "having a pearly appearance."
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