What is EWG score?
The EWG score is a hazard score ranging from 1-2 (low hazard), 3-6 (moderate hazard) and 7-10 (high hazard) published by the Environmental Working Group. Their data is sourced from the Skin Deep® database and studies published in open scientific literature.
Used with Care
We use this ingredient in moderation to ensure it meets our standards of care for your health.
Tetrasodium Etidronate is a diphosphonic acid derivative, and used as a preservative in our soaps.