Abstract: The present disclosure relates to compositions for altering the tone or color of the hair comprising at least one amino acid, at least one carboxylic acid, monoethanolamine, at least one oxidation base chosen from toluene-2,5-diamine, acid salts thereof, or solvates thereof, and a coupler system comprising one or more couplers chosen from 2,4-diaminophenoxyethanol, meta-aminophenol, derivatives thereof, addition salts thereof, solvates thereof, solvates of salts thereof, or mixtures thereof. The disclosure also relates to methods of using the compositions and kits comprising the compositions.

Abstract: The present disclosure relates to compositions for altering the tone or color of the hair comprising at least one amino acid, at least one carboxylic acid, monoethanolamine, at least one oxidation base chosen from toluene-2,5-diamine, acid salts thereof, or solvates thereof, and a coupler system comprising one or more couplers chosen from 2,4-diaminophenoxyethanol, meta-aminophenol, derivatives thereof, addition salts thereof, solvates thereof, solvates of salts thereof, or mixtures thereof. The disclosure also relates to methods of using the compositions and kits comprising the compositions.

Abstract: The present disclosure relates generally to methods of producing, processing, or purifying antibodies. The present disclosure also relates to methods of producing, processing, or purifying a target antibody from cell cultures to remove host cell proteins.

Abstract: The present disclosure relates generally to methods of producing, processing, or purifying antibodies. The present disclosure also relates to methods of producing, processing, or purifying a target antibody from cell cultures to remove host cell proteins.