An organic product uses ingredients that were grown and processed without the use of manufactured herbicides and artificial fertilisers, and refers to certified farming practices and food products made using legally defined rules.
This term is not legally protected on cosmetics and beauty products, but to help to guide you can look out for certified products with the by COSMOS (as certified by the Soil Association) & NATRUE seals.
The criteria for both seals are clearly defined in their private standards and ensure a minimum percentage of the ingredients came from certified organic agriculture.