In Australia, sunscreens are classified as primary sunscreens or secondary sunscreens according to the SPF. Sortation Sortation Regulatory body Primary sunscreens Products with SFP of 4 or higher whose main purpose is to protect against UV Categorized as Theraputic Goods - TGA regulation: Must be listed in ARTG. Secondary sunscreens (Products regulated by TGA) Products that have main purposes ot..