The effects of the technique were investigated in extensive scientific studies. Natural Branding does not create new chemical substances in the fruit and does not increase decay or micro-biotic contamination. Research by Florida University and tests by Eosta confirm this.
It has been approved by health authorities both in the USA and in the EU. For USA approval, see here. For EU approval (including additions that we do not use in Natural Branding) see here.
The University of Wageningen studied Eosta's natural branded products and confirmed it's safety for consumption, see here.