Formulation does not contain any essential oils for fragrance, nor does it contain any coconut-based fabric softener. ECOS® PRO Free & Clear Laundry detergent is for people with strong sensitivities to fragrance, fabric softeners or cellulose optical brighteners. Can be used in high-efficiency machines or standard machines and in hot, warm or cold water. pH balanced formula is made using sustainable, plant-derived ingredients. Product is free of dyes; graywater and septic-safe. Hypoallergenic.