Preservative composition with anti-acne function
A technology of composition and antiseptic, which is applied in the direction of detergent composition, drug combination, detergent compounding agent, etc., to achieve the effect of reducing the amount of use, small amount of use, and improving the safety of use
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Embodiment 1
[0031] Table 1. Natural plant preservative composition each formula charging amount (weight %)
[0032]
[0033]
[0034] Preparation method: add plant efficacy additives, preservatives, and synergists to the above-mentioned formula solvent in sequence, and stir evenly to obtain a stable anti-acne preservative composition.
Embodiment 2
[0036] Antibacterial (inhibition) test - Determination of the antibacterial ring of preservatives (Oxford cup method).
[0037] Refer to "Technical Specifications for Disinfection (2002 Edition)" in "Technical Specifications for Disinfection Products Inspection No. 2.1.8.2 Antibacterial Ring Test", USP35-Antimicrobial Effectiveness Testing, "Hygienic Specifications for Cosmetics (2007 Edition)" "4th Some microbiological test methods".
[0038] 1. Test strains: Escherichia coli, Staphylococcus aureus, Candida albicans, Staphylococcus, Propionibacterium acnes.
[0039] 2. Test samples: 1#-4# preservative compositions in Example 1, the use concentration is 0.5%, and 40% 1,2-propanediol is used as the blank control.
[0040] 3. Judgment of antibacterial effect: If the diameter of the antibacterial ring is greater than 7mm, it is judged to have antibacterial effect. If the diameter of the antibacterial ring is less than or equal to 7mm, it is judged as having no antibacterial eff...
Embodiment 3
[0045] Antibacterial (inhibitory) test - minimum inhibitory concentration (MIC value)
[0046] The minimum inhibitory concentration (MIC value) of each formula preservative composition was determined by the suspension method, and the results are shown in Table 3.
[0047] Table 3 Determination of minimum inhibitory concentration of preservatives (MIC value)
[0048]
[0049] In Table 3, compared with 1# and 3#, when the content of other ingredients is the same, and the plant extract and synergist are added, the MIC values against Propionibacterium acnes and Staphylococcus epidermidis have decreased, that is, it contains plant ingredients The antibacterial performance of the sample and the synergist has been enhanced; 2# is compared with 6#, the total amount of parabens contained in the formula of 6# is higher than that of 2#, but the MIC values of the two are almost the same, indicating that the antibacterial effect is the same In some cases, adding plant extracts can re...
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