Recent in Chemistry (page 10 of 19)

Comparatively Speaking: Esters vs. Lactones

Industry expert Tony O'Lenick asks Mark Garrison of Avon to explain the difference between esters and lactones, such as lactones being esters in a ring formation.

Comparatively Speaking: Amide vs. Protein

Proteins are made in living systems at low temperatures using enzymes. Low molecular weight proteins, referred to as polypeptides, can also be man-made.

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.

SCC Annual Scientific Meeting and Technology Showcase Report

The annual SCC December program offered a variety of subjects in personal care; from multicultural formulating and sustainability, to tissue engineering and a special polymer/surfactant interaction tribute session in memory of Des Goddard.

Formulating at pH 4-5: How Lower pH Benefits the Skin and Formulations

Most skin products are formulated around pH 6 but the latest research in skin biology suggests the skin is significantly more acidic—around 4.7. Here, the author shows how formulating for this natural pH can enhance the skin penetration of actives, reduce the amount of preservatives required, and increase chemical stability.

Beginning Cosmetic Chemistry, Third Edition

With the third edition of this best-selling chemistry textbook, the authors substantially update all the original material and include 21 additional chapters of brand new material to cover recent developments in the field of cosmetic science. Authors Randy Schueller and Perry Romanowski re-emphasize the importance of providing introductory technical information to those who would like to improve their understanding of cosmetic science.

The Chemistry and Manufacture of Cosmetics, Volume I, Science, 4th Edition

The Chemistry and Manufacture of Cosmetics, Volume I, Science, 4th Edition is an excellent resource and educational tool for beginning to advanced formulating cosmetic scientists and can be used as a textbook for any chemistry student interested in understanding or pursuing the cosmetic field.

Cyclic Silicone vs. Volatile Silicone

Volatile and cyclic are two different concepts that are applied to molecules. There are cyclic silicones that are not volatile, there are volatile silicones that are cyclic, and there are materials that are both.

From Herbal Skin-firming Extracts to Novel Saccharide Esters: Literature Findings

The following column discusses the latest technological advancements in the fields of hair care, skin care, oral care, sunscreen, color cosmetics and more.

Alkyl Silicones vs. Multi-domain Alkyl Silicones

Industry expert Tony O'Lenick compares alkyl silicones with multi-domain alkyl silicones, which are created when alkyl dimethicone has two different alkyl groups, one solid and one liquid, on one molecule.

Barrier Function, Hair Coloring and Other Literature Findings

The following column discusses the latest technological advancements in the fields of hair care, skin care, oral care, sunscreen, color cosmetics and more.

PEG 8-dimethicone vs. Bis-PEG 8-dimethicone and Bis-PEG 8/PEG 8 dimethicone

Industry expert Tony O'Lenick explains the difference between PEG 8-dimethicone, bis-PEG 8-dimethicone and bis-PEG 8/PEG 8-dimethicone

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