Day: 5 August, 2026

What Packaging Is Best for Vitamin C Serum? Glass or Plastic?

The best packaging for vitamin C serum is usually an opaque, low-air-return dispensing system that has passed compatibility and stability testing with the finished formula. For a water-based L-ascorbic acid serum, a well-designed airless pump is often the strongest starting point because it limits repeated air exchange and user contact. Dark amber or black glass […]