Many allergic reactions to soap are caused by the added chemicals or fragrances. Eaternal soapnut detergent sachets consist of naturally grown USDA ceertified organic soapnut shells which are powdered and placed into biodegradable sachets. No chemicals are added to Eaternal soapnut detergent sachets so these are beneficial to those who suffer from allergies due to chemicals or fragrances in traditional mass market soap products.