Understand that 'preservative' is essential for food safety by slowing spoilage and preventing illness. Without preservatives, this yoghurt would spoil quickly.
Pro Tip 2/3
Cultural Perceptions
Realize attitudes toward preservatives can vary; some cultures are wary of chemicals in food. My mother prefers organic food with no artificial preservatives.
Pro Tip 3/3
Natural vs. Artificial
Differentiate between 'natural preservative' like salt or vinegar and 'artificial preservative' made in labs. This snack uses only natural preservatives, like rosemary extract.