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If it is easily irritated, but it is necessary to add preservatives. Because the cream is not put in the refrigerator all the time. Phenoxyethanol 1%. How much is the chance of allergy? Put a lot more than other types of preservatives. Are there any side effects? Can you put less than this? If you p...

Thank you very much, what percentage of oil/water should we use in this case? When the mixture is finished, it will not separate the layers. Do you use it? So there's no need to shake it before use?

Laureth-23 or Light Cream Maker is good. If you want to combine water and oil, water Sweet Almond Oi(Refined) B3 4% aloe vera 0.25% Eyeseryl 10% Argireline 8% Sesaflash 3% The above recipe should be used Laureth-23 or Light Cream Maker with what percentage of oil and water? to form a creamy texture ...

วิตามินบี3 ชะเอมเทศ purchased We want to mix it with water. (I don't want to apply a base cream.) Can I apply it to my skin without any substances that help bring into the skin, such as B3, licorice, will it be able to absorb into the skin...... and then mix the two together. Can you...... Now, is ...