Cosmetics Formulation Development


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Pure EGCG is much darker.

Postby maigonix » Thu Sep 27, 2018 12:59 pm

From this formula 1. Aloe Vera Gel (Heavy) 73% 2. Pure EGCG 1% 3. Tea Tree Oil 0.1% 4. Adenosine (Liquid) 2% 5. L-Carnosine 0.5% 6. Trans-Resveratrol 2% 7. Matrixyl -3000 5% 8. MSH White Absorb 4% 9. WaterSoft 10% 10 . Laurocapram 2% 11. chlorphenesin 0.2% 12. Disodium EDTA 0.2% at first mixture looks like It is an opaque white gel cream. But when stored for a long time, it starts to get darker and darker. I'm sure it's from Pure EGCG because other ingredients are used in other formulas and the color is not darker. I would like to ask: 1. Is the substance deteriorating or is it normal to get darker? Is the performance still good? 2. Will the darker color make the other substances in the formula less effective? has been eliminated from the new blending time formula
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Re: Pure EGCG is much darker.

Postby staff » Sat Sep 29, 2018 10:59 am

Hello, darker color appearance. most of the time will show deterioration in quality or change (such as reacting with other substances in the formula) of the ingredients, in the event that the quality deteriorates Performance will decrease until it may be ineffective. In the case of reacting with another substance in the formula here, it depends on whether What new substances are formed? and whether the substance provides the same efficiency or not which has both less efficiency than before, same to more than before The team recommends not trying to make it happen in the formula. Because it is something we cannot measure. what happened in the end) for the case of the formula as the member informed The team itself was unable to answer. that the intense color is caused by which ingredient Because there are many active substances, each of which There is a chance to change the color as well. The only way to do this is to know where it came from. must be separated from the formula one by one. and do a new test which may accelerate the reaction to occur faster By bringing it to a 40 degree baking constant, if you want the team to "guess" what happened in the recipe Please notify members 1. pH of the formula 2. Age of the formula (from the date of mixing) 3. Method of keeping the formula (temperature, light) 4. Packaging (opaque, sealed, etc.)
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Re: Pure EGCG is much darker.

Postby maigonix » Sat Sep 29, 2018 9:27 pm

1. Ph of 5-6 formula 2. Mix for about 3 months 3. Store at room temperature in a light-proof box 4. Packaging is an opaque white tube. Cause sure it is Pure EGCG was previously used other ingredients than Pure EGCG and doesn't change color, add Pure EGCG into the formula, making it that time the gel change color. Later mixed to use again, which is the formula posted here, the gel is very dark because it increases the concentration from 0.5% to 1% Question Pure EGCG is it dangerous to use more than 2%? Because it will be mixed with L-ascorbic powder and stored in powder form. When using it, take a spoon and mix it with the serum to make. be a booster Because each time use is not convenient to weigh every time. rely on quantity I personally use powder. วิตามินซี mixed with serum daily without any problem.
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Re: Pure EGCG is much darker.

Postby staff » Fri Oct 05, 2018 9:26 pm

Hello
Pure EGCG Using more than 2% is dangerous or not?
is not dangerous. But using higher than 2% will not be more effective than using 2% (the excess is not useful. in addition to higher costs)
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