One ingredient for the cat curing allergy potion is a cup of hot camomile tea.
Do you have a camomile flower, already?
This is the low-spoiler guide for "Allergy potion - hot camomile tea" puzzle in Justin Wack and the Big Time Hack. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.