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ePaper created 2015-04-07, 08:37:00 | version 1.37.0
Depending on the surfactants used, this ester oil causes a similar or even less severe viscosity decrease in comparison with silicones (Amodime- thicone). However, formulations containing this oil – up to a certain concentration – can be successfully thickened with a variety of convention- al and natural thickening agents. Caring effect The non-greasy, soft and silky sili- cone-like sensation of Dermofeel Sen- solv, while shampooing, improves steadily with increasing concentra- tions. Already present on the hands while washing, the sensation remains on the hair afterwards. The foam of shampoos containing this ester oil is creamy and fine pored (fig. 1). With higher concentrations the creaminess of the foam even improves. Reduced combing force The ester oil efficiently covers the hair surface, making it smooth and easy to comb. The extent of the reduc- tion of the combing force depends on the type of surfactant used. In general, the lower the surfactant amount and cleansing performance of a formu- lation, the more the combing force is reduced. In the Ethersulfate/Betaine-based shampoo formulation L045-30ff an op- timum concentration of 0.75% Der- mofeel Sensolv caused the combing force in wet hair to be reduced by up to 32%. This is comparable to higher concentrations of silicone, e.g. 3% Amodimethicone, causing a reduction of up to 26%. In combination with 0.3% of the cationic conditioner PQ-10 in a shampoo formulation, 0.75% of the es- ter oil helped to reduce the wet comb- ing force by up to 49% in contrast to the 39% reduction with 1% Amodime- thicone. In contrast, a shampoo with 1% Ar- gan oil led to a distinctly lower reduc- tion of only 15% of the combing force. Parts of the Argan oil were, most likely, washed away by the surfactants in the shampoo formulation. This assumption about Argan oil was confirmed in an emulsion-based rinse-off conditioner experiment. The wet combing force of hair treated with a Dermofeel Sensolv rinse-off condi- tioner was weakened less after a water rinse for 45 seconds, and measurably lower than an Argan oil conditioner FOCUS: BODY CARE INGREDIENTS fig. 1: Foam of our natural surfactant-based formulation L023-2.0 with and without 1% Dermofeel Sensolv www.bb-kalkar.de …cared for and healthy! Your ideas, our know-how! Your competent manufacturer for cosmetics & medical devices! Full-Service · Development · Documentation · Production · Fill-up Tubes · Bottles · Tins · Jars · Sachets · Single-Pack Wet Wipes Dermofeel Sensolv Placebo fig. 2: Average combing forces in gram of hair tresses treated with our natural rinse-off conditioner L045-29ff and finished with a subsequent water rinse for 15 or 45 seconds Placebo 2% Dermofeel Sensolv 15 sec water rinse 45 sec water rinse 2% Dimethicone (100cst) 2%Argan oil photos:Dr.Straetmans COS1504_12_Stratemans_COS1306_10_DSM_GB 26.03.15 13:07 Seite 14 COS1504_12_Stratemans_COS1306_10_DSM_GB 26.03.1513:07 Seite 14