The correct step order depends upon your Baumann Skin Type, For most skin types, these are the rules on product order:Always cleanse at night. Morning cleansing depends on skin typetoners and essences go on clean skin after cleansingserums go after tonersRetinol goes after moisturizers when beginning a retinoidRetinol goes before a moisturizer once you are acclimated to the retinoidSunscreens go last in the morning routine