from {TAIL ~ 0.1 to 50%} by weight of {HEAD ~ a bleaching agent}; and 
from { TAIL ~ 0.1 to 50 % } by weight of { HEAD ~ a bleaching agent } ; and
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH