Unflavored Orange Pekoe or Green Tea Leaves (including matcha) or tea bags are acceptable without Hashgacha if they contain no other ingredients. Flavored or herbal tea leaves or bags require Kosher certification. Earl Grey with bergamot oil is acceptable without Hashgacha, but Earl Grey tea with bergamot flavor requires Kosher certification. All of the above is limited to tea leaves and tea bags, but all prepared (liquid) tea or instant tea powder sold in retail containers requires Kosher certification.l
From The KIB: Pesach News – Avocado Oil and Spray
All Pure Virgin Avocado Oil & Spray (without additives), are fine for use on Pesach without a special Pesach designation on the label.