Pick a time of day. Every step names one pick from the shelf and says how to use it; swap any step for another pick of the same type.
Water, or the cream cleanser after a retinol night.
A thin layer, then wait a minute.
Two fingers' worth, every day, even indoors.
Again at lunch if you are outside.
Sixty seconds, lukewarm water, no foam.
Retinol, pea-sized, three nights a week to start.
Ceramides over the retinol. Wait five minutes, then apply.
A thin layer of ointment on the driest spots only.
Ten minutes on damp hair, before shampoo.
Scalp only. Twice if there is build-up.
Mid-lengths to ends, comb through, leave two minutes.
Leave-in on the ends, then air dry or low heat.