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Active Supporting Natural Moisturizing Factors

Chemisches Laboratorium Dr. Kurt Richter GmbH (CLR) has introduced an active that provides long-lasting moisture to the skin.

Aquaporin-3: Regulating Skin Cell Growth

Two previous articles in this series on aquaporins have discussed their history, mechanism and stimulation. The current article describes the role of AQP3 in regulating skin cell growth.

Aquaporins: Stimulating AQP3

The current column will look at the separate but parallel paths followed by a major personal care manufacturer and a principal academic researcher in their attempts to understand what it means to stimulate aquaporin-3 (AQP3), the water channel protein in human skin.

Testing Polysilicone-19 for Hair Conditioning and UV Protection Claims

Polysilicone-19, a new cationic siloxane copolymer for rinse-off shampoos and conditioners, is shown here to protect dyed hair against UV fading and damage and to provide a conditioning effect.

Polyquaternium-74: An Advanced Hair Conditioning Polymer

Polyquaternium-74 is a synthetic high performance conditioning polymer whose flocculation and deposition characteristics enable it to match or outperform traditional conditioning polymers in detangling, overall hair conditioning, shine enhancement and buildup reduction when combined, as shown here, with a submicron dimethicone emulsion. Benefits are noted for 2-in-1 shampoo formulations.

Grapefruit Extract Cream: Effects on Melanin in Skin

The current work aimed to formulate a stable w/o emulsion containing grapefruit extract by entrapping the extract in the inner aqueous phase. The final formula was found to have skin-whitening, moisturizing, cleansing and antiwrinkle effects, among others.

The Syngeristic Anti-irritant Effects of (-)-α-Bisabolol and Ginger

Damaged skin often is associated with increased levels of interleukin-1 (IL-1) and/or prostaglandin E2 (PGE2). In the present study, researchers combined (-)-α-bisabolol, a potent IL-1α inhibitor, with ginger extract, an efficient PGE2 inhibitor. The synergistic anti-irritant efficacy of this mixture was shown in vivo on detergent-induced erythema.

A Dermatological View--Moisturizer Efficacy: Evidence on Preventing and Treating Irritant Dermatitis

This article appeared on pages 65–72 in volume 55 of Contact Dermatitis in 2006 and appears here in a modified version with permission from Blackwell Publishing.

Poly glutamic acid: A Novel Peptide for Skin Care

Personal care formulators continue to pursue skin care materials that are capable of both moisturization and exfoliation. γ-Poly glutamic acid (INCI: natto gum) meets these multifaceted demands. A review of the literature and research presented here examines the science of natto gum and explores its applications in personal care.

Bench and Beyond: Correlating Water Contact Angles and Moisturization/Sensory Claims

While staff that normally writes the Bench & Beyond column is taking some time off, this space offers an article by Olga V. Dueva-Koganov, B. Scott Jaynes, Colleen Rocafort, Shaun Barker and Jianwen Mao at Ciba Specialty Chemicals Corporation in Tarrytown, N.Y., USA.

Mediating Shaving Irritation

Tocopheryl phosphate in its complexed form as disodium lauriminodipropionate tocopheryl phosphates mediates the clinical signs of irritated and sensitive skin, such as redness, folliculitis, stinging, and itching induced by shaving.

Silicone Amino Elastomer Emulsion for Conditioning and Styling Performance

A nonionic emulsion based on silicone amino elastomer technology enhances hair conditioning and styling, as demonstrated in tests of combing force, curl retention, sensory characteristics, thermal protection and frizz control.

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Exclusive! Comparatively Speaking: Dimethicone vs. Alkyl Dimethicone

Tony O'Lenick asks: What's the difference between dimethicone and alkyl dimethicone? Rick Vrckovnik of Siltech LLC reponds.

Vitamin Compound

DSM Nutritional Products introduces a vitamin compound for formulation in hair care and skin care products.

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Vegetable-based Emulsifier System

Degussa’s Goldschmidt Personal Care business launched a vegetable-based cationic emulsifier system for the formulation of o/w creams and lotions.

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Degussa Launches Cosmetic Wipes Technology

Degussa’s Goldschmidt Personal Care division has developed a new concentrate for wet wipe applications that is PEG-free.

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Croda Makes Hair Color EZ

Croda Inc. announces a new hair tint emulsifier.

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Cognis Introduces Conditioning Wax

Cognis Care Chemicals. has introduced a new power conditioning concept.