Grapefruit Seed Extract
Citrus Grandis Seed Extract
1Very low risk. Unlikely to clog pores for most people.
Antimicrobial activity has repeatedly been traced to synthetic preservative contamination.
What it does
antimicrobial
How solid is that number
The rating is graded disputed. Sources disagree. This figure circulates on clinic lists without a clear original citation, so treat it as a reason to patch test rather than a settled number.
It describes the raw ingredient in isolation. In a finished product, how much is present and where it sits in the ingredient list matter just as much. Run the whole label through the checker to see it in context.
