sarasmile1
New Member
 
Joined: 07 May 2017
Posts: 1
|
|
|
Sun May 07, 2017 7:03 am |
I am new to DIY beauty products. I am wondering how to formulate a serum made with Pine bark extract, alpha lipoic acid, niacinamide, and DMAE. I have seen percentages used, but am unsure how that calculates into teaspoons and ounces. I would appreciate any advice. |
|
|