Toothpaste containing particles and transparent viscous substance
A granular and viscous technology, applied in the field of daily chemicals, can solve the problems of limited compatibility of formulations, limited ease of use, limited taste, etc., and achieve the effect of superposition of taste, synergy of efficacy and good compatibility.
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Embodiment 3
[0057] The toothpaste prepared in Example 3 is compared with the toothpaste prepared in Comparative Example 3. Because the amount of deionized water is too small, the crystal ball toothpaste prepared is too hard, and the phenomenon that it cannot be squeezed out occurs during use.
Embodiment 4
[0058] Compared with the toothpaste prepared in Example 4 and the toothpaste prepared in Comparative Example 4, the toothpaste prepared in Comparative Example 4 only contained spherical particles and had no transparent gel. More than 98% of the spherical particles prepared in Example 4 can be stably suspended in the transparent jelly, while the spherical particles of the toothpaste prepared in Comparative Example 4 are all piled up together, and the toothpaste prepared in Example 4 and the toothpaste prepared in Comparative Example 4 are respectively loaded When used in a bottle with a pump tube, the remaining unused spherical particles in Example 4 are intact and have a break rate of 0 due to the toothpaste being squeezed out of the tube during each use, while the remaining unused spherical particles in Comparative Example 4 are intact. Since the spherical particles used do not have a transparent gel to buffer the pressure brought by the air during extrusion, the remaining sph...
Embodiment 5
[0060] The toothpaste prepared in Example 5 and the toothpaste prepared in Comparative Example 6 were respectively tested for whitening by SP62 colorimeter under the same conditions. The color system, L* represents the visual lightness, its value is from 0 to 100, the lightness is close to white, and the small color is close to black. By recording the change of tooth L* value before and after brushing, the effect of toothpaste on removing exogenous stains can be reflected. The test results are shown in Table 5 below.
[0061] Table 5 whitening test data
[0062]
[0063] The test results in Table 5 show that the relative standard deviation RSD of △L* in this experimental test is less than 30%, indicating that the experimental results of this whitening test method have good precision. At the same time, the △L values of the toothpaste in the control group and the toothpaste in the experimental group were 2.69±2.18 and 2.69±2.18 respectively, and there was a significant di...
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