.. in the early days of the 1840’s could be accomplished by wearing freshly laundered detachable white collars and false undersleeves called engageantes. Both were made of delicate lacework.
(Portraits: Two women of 1845 of high fashion. Note the looong pointed waist, lacework on collar, large sleeves, and in these – not ringlets. This hair might be the more matronly look of the next Victorian era, but they sure look dainty and demure with those little smiles.)