Generally peroxyacid bleach precursors may be represented as where L is a leaving group and X is essentially any functionality, such that on perhydroloysis the structure of the peroxyacid produced is For the purpose of the invention, hydrophobic peroxyacid bleach precursors produce a peroxy acid of the formula above wherein X is a group comprising at least 6 carbon atoms and a hydrophilic peroxyac