Journal · Routine · 5 min
The three-week retinisation plan.
A one-page schedule that gets most skin to nightly retinoid application with almost no drama.
The Biomedical Emporium® formulation desk
28 May 2026
Week one: retinoid every third night, on top of a well-hydrated barrier, buffered with a lipid-correct cream. Skip if any redness appears. Do not concurrently add any other exfoliating or resurfacing product.
Week two: every other night, still buffered. Continue mineral SPF 30 every morning without exception. Continue lipid cream at night.
Week three: nightly. If the barrier stays quiet through day twenty-one, you are done. If not, drop back to every other night for another two weeks, then try nightly again.
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