Want to register the FDA's
Stabilized Vitamin C (Natural-C Glycol™) Serum *
วิตามินซี Natural-C Glycol ™ is suitable for FDA registration and ready-to-sell. Not suitable for mixing any additional ingredients. as it may affect the stability of
วิตามินซี if you want to mix any additional ingredients. Please contact the company's R&D team first. Otherwise, the company cannot guarantee its stability. except for filling
น้ำหอม can be added immediately with no more than 1% and coloring* Product characteristics: Clear yellow liquid. Weak pH is in the range of 2.5-3 (if used in the production of finished cosmetics, the pH must be adjusted according to the FDA regulations that cosmetic products must have a minimum pH of 3.5). I want to know if the pH should be adjusted?