A liquid detergent, Green Care, was evaluated for its ecotoxicity.
Photosynthesis and photosynthetic pigments of Euglena were used as end points.
Toxicity of the detergent was evaluated for both short- and long-term exposure.
The tested detergent can adversely affect algae.
Photosynthesis and pigments in Euglena can be used as sensitive end points in toxicity assessment of detergents.