Table III Summary of Rheological Parameters for Formulations at Initial Time Point Formula code Casson yield stress (Pa) Flow index Consistency index (Pa·s) n Shear stress at the limit of LVE (Pa) Storage modulus at the limit of LVE (Pa)of Loss modulus at the limit LVE (Pa) Damping factor Flow point (PA) Viscosity at different shear rate values (Pa·s) 25·s-1 75·s-1 Infi nite shear viscosity Over-the-shelf samples RV – – – 77.10 ± 3.5 8.3E+04 ± 5.2E+04 2.6E+04 ± 1.4E+04 0.29 ± 0.03 186.5 ± 35.8 43.7 ± 2.9 8.14 ± 4.05 – NC 391.1 (0.99) – – 10.74 ± 1.9 1.9E+04 ± 0.071E+040.078E+03 5.3E+03 ± 0.29 ± 0.01 45.3 ± 10.6 25.0 ± 5.3 9 ± 2.9 4.07 ± (0.99) BS 332.1 (0.99) 0.32 (0.95) 103.3 (0.95) 29.25 ± 4.7 2.8E+04 ± 0.37E+04 5.9E+03 ± 0.26E+03 0.21 ± 0.02 69.4 ± 2.4 28.0 ± 12.4 11 ± 4.8 10.24 ± (0.99) BL 434.4 (0.99) 0.37 (0.94) 143.2 (0.94) 46.90 ± 6.6 7.2E+04 ± 0.43E+04 1.8E+04 ± 0.11E+04 0.24 ± 0.00 142.5 ± 16.3 32. 0 ± 3.7 10 ± 1.3 4.52 ± (0.99) AQ 157.6 (0.99) 0.3 (0.96) 66.7 (0.96) 8.86 ± 3.2 8.2E+03 ± 1.5E+03 2.0E+03 ± 0.43E+03 0.25 ±0.01 30.95 ± 2.80 10.0 ± 2.9 4 ± 1.9 2.38 ± (0.99) Stability samples Untreated mud 385.0 (0.99) 0.5 (0.97) 156.3 (0.97) 36.37 ± 5.5 4.4E+04 ± 1.3E+04 1.1E+04 ± 0.24E+04 0.26 ± 0.02 63.03 ± 0.70 38.0 ± 7.8 18 ± 5.3 13.26 ± (0.99)39 K 15 G – – – 88.5 ± 18.1 1.6E+05 ± 0.33E+05 4.3E+04 ± 0.85E+04 0.28 ± 0.00 171.3 ± 15.7 90.0 ± 5.6 17 ± 6.4 – K10 624.4 (0.99) 0.49 (0.99) 398.7 (0.99) 305.5 ± 6.4 6.0E+05 ± 0.26E+05 1.4E+05 ± 0.064E+05 0.24 ± 0.01 598.0 ± 70.7 52.0 ± 6.6 33 ± 6.3 23.7 ± (0.99) B 10 G 556.1 (0.99) 0.28 (0.98) 323.3 (0.98) 27.5 ± 10.1 3.6E+04 ± 1.4E+04 8.6E+03 ± 2.8E+03 0.25 ± 0.03 79.5 ± 17.5 36.0 ± 2.9 16 ± 1.4 8.95 ± (0.99) K5BG5 239.6 (0.99) 0.33 (1.0) 391.6 (1.0) 42.20 ± 0.8 4.8E+04 ± 0.81E+04 1.3E+04 ± 0.23E+04 0.26 ±0.01 118.5 ± 9.2 47.0 ± 4.5 21 ± 1.3 20.11 ± (0.99) PHYSICAL PROPERTIES AND STABILITY OF DEAD SEA MUD MASKS 345

Formula code Casson yield stress (Pa) Flow index Consistency index (Pa·s) n Shear stress at the limit of LVE (Pa) Storage modulus at the limit of LVE (Pa)of Loss modulus at the limit LVE (Pa) Damping factor Flow point (PA) Viscosity at different shear rate values (Pa·s) 25·s-1 75·s-1 Infi nite shear viscosity K7.5B 7.5 G – – – 50.7 ± 17 8.3E+04 ± 1.6E+04 2.2E+04 ± 0.4E+04 0.26 ± 0.00 123.0 ± 14.0 56.0 ± 1.1 9. ± 1.4 – K5B5 567.5 (0.99) 0.42 (0.95) 236.8 (0.95) 206.0 ± 72 3.1E+05 ± 0.62E+05 7.5E+04 ± 1.9E+04 0.24 ± 0.02 410.3 ± 60.1 43.0 ± 2.9 24 ± 8.2 13.5 ± (0.99) N 0.05 G 713.2 (0.98) 0.26 (0.98) 395.5 (0.98) 101.6 ± 41.7 1.1E+05 ± 0.58E+05 2.8E+04 ± 1.4E+04 0.27 ± 0.02 246.3 ± 58.8 44.0 ± 7.9 13 ± 0.25 6.16 ± (0.98) K10BG2 – 0.07 (1.0) 604.8 (1.0) 93.9 ± 28.4 1.4E+05 ± 0.15E+05 3.3E+04 ± 0.14E+04 0.24 ± 0.04 153.0 ± 15.6 59.0 ± 0.9 11 ± 4.7 – a K = kaolin, B = bentonite, N = Natrosol250 ® HHX, G = glycerin, over-the-shelf mud = RV, NC, BL, BS, and AQ. Results represent the mean ± SD or mean (2) for parameters calculated using Casson and Herschel–Bulkley models (n = 3). For samples RV, NC, K15G, K7.5B7.5G, and K10B2G the models are not applicable to data, results make no sense rheologically. Table III Continued JOURNAL OF COSMETIC SCIENCE 346