Cosmetics Formulation Development

Hello, we are looking for Vitamin C /L-ascorbid acid There are many different types of your website. Help me choose วิตามินซี 1 is วิตามินซี Natural 2 High quality 3 Stable 4 Easy to mix with water personally interested natural c glycol but it cannot be mixed with other ingredients. which we will add Vitamin E and Rose Hip Oil and may add emusifier to mix with water. We really don't like the ones that need to be used. EDTA and TLE ph adjuster, please advise.

Hello 1. Vitamin C all types that the company sells. Caused by synthesis. 2. Not have Vitamin C has the highest quality? All types through production standards that have quality, each type has different strengths and weaknesses, which members can find information about the specifics of each type from the web page. 3. Please check from the web page. 4. Avoid using. L-ascorbic acid or ascorbic acid other types can Can mix with water