Ecocert is a French company that created the "Natural and Organic Cosmetics" standard in 2003. Their standards say there must be at least 95% natural ingredients in the finished product, there can be no GMOs, parabens, phenoxyethanol, or ingredients derived from petrochemicals or synthetic chemistry.
They don't allow testing of the finished product on animals. The whole manufacturing process must be controlled, up to the packing stage, and the packaging and outer packaging must be biodegradable or recyclable. Finally, all labeling must be transparent for the consumer.