Soil should be kept moist, not too wet, not too dry. Lipstick plants will be tolerant of soil drying a b it between waterings, but are not tolerant of being over watered.
Thrive in high humidity, so a well lit bathroom or kitchen is an ideal home. Alternativelty, regular mistings will benefit your Lipstick Plant.
Non-direct sunlight is ideal to avoid leaves becoming sunburnt.