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Section: Cosmetic Ingredients

Fragrance Companies Venture into Organic

In response to the natural and organic trend in personal care products, fragrance companies now are developing organic options for formulations.

Comparatively Speaking—Maceration vs. Decoction

Herein, industry expert Tony O'Lenick explains the difference between maceration and decoction, and how decoction can extract large quantities of inert materials that may contribute to microbiological spoilage.

Comparatively Speaking: Dye vs. Pigment

Industry expert Tony O'Lenick explains the difference between a dye and a pigment, touching upon solubility and affinity for a substrate.

Comparatively Speaking: Emulsion vs. Colloid

Industry expert Anthony O'Lenick, Jr., explains the different between an emulsion and a colloid.

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Comparatively Speaking: SPF vs. FEF

Here, industry expert Tony O'Lenick asks Thomas O'Lenick, PhD, to explain the difference between SPF and FEF, including a discussion on how a formulator can adjust the formulation for higher SPF and FEF with the same amount of actives.

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Comparatively Speaking: Hydrotrope vs. Emulsifier

Both emulsifiers and hydrotropes are used in personal care formulas. They show several similarities but serve different functions. In this installment of our "Comparatively Speaking" series, Tony O'Lenick explains.

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My hair style without compromise

Polycare® Split Therapy adds new properties to its powerful profile with damage protection during high pH procedures (bleaching and coloring) plus anti-fading benefits to preserve color.

Comparatively Speaking: Solubility vs. Partition Coefficient

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.

Comparatively Speaking: Toxicity vs. Selective Toxicity

In the present "Comparatively Seaking" column, industry expert Anthony J. O'Lenick explains the difference between toxicity and selective toxicity in regard to preserving a personal care formula while also keeping the consumer safe.

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Acme-Hardesty Company’s CBP Inulin

Derived from chicory root, this biopolymer combines prebiotic activity with functionalities such as moisturizing and thickening.

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Comparatively Speaking: Natural Oil Grades

The use of natural oils (triglycerides) is becoming more important for sustainable and biodegradable formulas but oils are processed in many grades. In this article, Tony O'Lenick explores their differences.

Comparatively Speaking: SPF and Calculated SPF

In order to prepare the industry for the upcoming Sunscreen Symposium, organized by the Florida chapter of the Society of Cosmetic Chemists, industry expert Tony O’Lenick asks Dennis Lott to explain the difference between SPF and calculated SPF. This is the first of two columns on sun protection.

Comparatively Speaking: Color vs. Fluorescence

Here, industry expert Tony O'Lenick explains the difference between color and fluorescence, as understanding the effects of fluorescence can lead to a better visual appearance to skin.

Comparatively Speaking: Wetting vs. Superwetting

In this edition of "Comparatively Speaking," industry expert Tony O'Lenick discusses the terms wetting and superwetting in relation to the ability of a surfactant to wet a substrate.

Comparatively Speaking: Urethanes vs. Amides

Industry expert Tony O'Lenick explains that urethanes and amides differ in structure, in the raw materials used to make them, and in their function in cosmetic formulations.

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Comparatively Speaking: Soluble vs. Insoluble

What’s the difference between something that is soluble vs. insoluble? Tony O’Lenick explores this notion. At first, he writes, this may seem quite simple but a deeper investigation provides formulation insight.

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Comparatively Speaking: PPG vs. PEG

The chemistry of PEG, PPG or combinations thereof have an impact on the functional properties of formulas. Knowledge of these materials will help the chemist understand both the effects of reacting these materials on fatty alcohols as well as the performance of emulsifiers and wetting agents.

Comparatively Speaking: CMC vs. RF50

Industry expert Tony O'Lenick refers to his son and polymer scientist at the University of Tennessee, Thomas O'Lenick, to explain the difference between critical micelle concentration and reduction factor 50% (RF50) with regard to measuring silicone surfactant effectiveness.

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