Isomers of photo-unstable compounds should be evaluated as the individual substances due to their potential different exposure effects

The comments and interpretation of our manuscript “Different damage response of cis and trans isomers of commonly used UV filter after the exposure on adult human liver stem cells and human lymphoblastoid cells” (Sharma et al., 2017) declared by Bouvier et al. (2018) have several statements that need to be addressed and cleared.