Each guide answers one buying question and shows the figures behind the answer.
3 guides
How to choose
Price per jar hides the number that matters. At 0.5 mL twice a day a 50 mL jar lasts 50 days, so a $140 jar costs $1.40 a use and $1,022 a year.
Photo: Pittigrilli · CC BY-SA 4.0 · Wikimedia Commons
Budget and prices
A premium four-step routine works out at about $2,112 a year on these doses. The same four steps at supermarket prices come to about $634.
Photo: Pittigrilli · CC BY-SA 4.0 · Wikimedia Commons
Ingredients
Australian labels must carry an ingredients list, but not a concentration. Here is what the rules cover, what they leave out, and how to patch test in 5 days.
Photo: National Photo Company Collection · Public domain · Wikimedia Commons