Shelf Life of Perfect-C™ (Ascorbyl Tetraisopalmitate)
Asked by: gritsanee.t
On: April 09, 2017
Product Type:
Cosmetics
Answered
Question
What is the actual shelf life of Perfect-C™ (Ascorbyl Tetraisopalmitate) beyond the manufacturer's stated expiration date (e.g., 06/2017), and how do storage conditions and formulation methods affect its stability and longevity?
Answer
Regarding the expiration date of Perfect-C™ (Ascorbyl Tetraisopalmitate):
- The date 06/2017 mentioned on the website is the manufacturer's guarantee expiration date.
- The actual shelf life of the ingredient can extend approximately 12-24 months beyond this date, provided it is stored correctly or used in a proper formulation.
- Perfect-C is sensitive to heat, light, and air. If used in a formulation without heat and stored in light and air-resistant packaging, its shelf life can be extended by at least 1-2 years.
