Ceramides are lipids naturally found in the outer layer of skin. They are also used in moisturizers designed to support a comfortable-feeling skin barrier.
Look at the complete formula
A cream may combine ceramides with water-attracting ingredients and emollients. Texture, price, packaging and whether your skin tolerates the formula all matter; one ingredient on the label does not tell the whole story.
Keep the routine practical
Apply moisturizer after cleansing, especially when skin feels dry. You do not need multiple ceramide products for a routine to be useful. If dryness is painful, persistent or accompanied by a rash, consult a qualified clinician.
Choose a texture you will use
A lotion may be pleasant in warm weather, while a cream may feel more comfortable in a dry room. You can use different textures on different areas, without assuming that a higher price means a better fit.
Further reading: American Academy of Dermatology.