Amino acid cleansing cream and preparation method thereof
A technology of amino acid cleansing cream, applied in the field of amino acid cleansing cream and its preparation, can solve the problems of damage to the skin sebum protective film, high skin irritation, poor thickening effect, etc., achieve good cleaning ability, improve washing feeling, good The effect of detergency
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Embodiment 8
[0082] trial observation
[0083] 1. Carry out sensory and physical and chemical index test to embodiment 1
[0084] 1.1 Sensory test: Pack an appropriate amount of the present invention in a transparent sampling bottle, observe its state, color and other aspects for evaluation.
[0085] 1.2 Heat resistance test: Put the sample in a constant temperature and humidity chamber at (45±1)°C for 24 hours, and there will be no delamination after returning to room temperature.
[0086] 1.3 Cold resistance test: Put the sample at (-15±2)°C for 24 hours, and there will be no delamination, thickening and discoloration after returning to room temperature.
[0087] 1.4 pH test: using the dilution method, the sample is diluted to 10% by mass percentage with deionized water, and tested with a pH meter.
[0088] See Table 1 for the sensory index and physical and chemical index test results of Example 6 of the present invention.
[0089]
[0090] The sensory index and physicochemical ind...
Embodiment 7
[0091] The sensory and physical and chemical indicators of Example 7 and Comparative Examples 1-3 are not significantly different from those of Example 6, the pH values are all between 5.5-6.5, and the viscosity tests are all greater than 90000mPa.s.
[0092] 2. Efficacy experiment
[0093] Evaluation method: select 30 heavy makeup volunteers, including 10 oily skin, 10 normal skin and 10 dry skin. The testers use the products of Examples 6-7 and Comparative Examples 1-5 to carry out facial treatment in the same way. Cleaning. After each sample was tried for 1 week, a questionnaire survey was conducted. The evaluation indicators included the product’s cleansing power, mildness, degree of moisture after use, and improvement of skin problems. Score from 5 to 1, in order of very good, good, general, poor, very poor, the statistical test results are shown in Table 2 below.
[0094] sample Cleaning power mildness Hydration after use Improvement of skin problems...
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