Freeze-dried, spray-dried or tray-dried: choosing an ingredient powder
How the three drying methods differ in colour, flavour, solubility and cost, and which applications suit each one.
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What to include in an ingredient sourcing enquiry
A short checklist that helps suppliers quote accurately and quickly.
Essential, fragrance and cosmetic oils: what is the difference?
A plain-language guide for brands buying oils for aromatherapy, skincare and home fragrance.