{"slug":"dont-layer-these","title":"Don’t Layer These — Skincare Actives Conflict Chart","tagline":"The actives that fight, irritate, or cancel each other out — and what to do instead.","description":"A one-page reference to the skincare active ingredients you shouldn’t stack — retinol, vitamin C, AHAs/BHAs, benzoyl peroxide and more — with the reason and exactly what to do instead, plus the combinations that are safe.","pages":11,"what_it_is":"A printable cheat sheet for layering actives. Some ingredients deactivate each other, some double up on irritation, and some are just fine together. This chart groups every pairing by how careful to be — don’t combine, use with caution, or simply separate them between morning and night — and gives a plain reason plus what to do instead. There’s also a green-light list of combinations that genuinely work well.","who_its_for":"Anyone building a routine with active ingredients (retinoids, vitamin C, exfoliating acids, benzoyl peroxide, brightening agents) who wants to avoid wasting product or wrecking their barrier.","whats_inside":["Every conflicting pairing, badged: don’t combine, caution, or separate AM/PM","A plain-language reason for each clash","A “do this instead” line for every conflict","A list of combinations that are safe to layer"],"how_to_use":["Find the two actives you want to use together.","Check the badge — don’t combine, caution, or separate AM/PM.","Read the “do this instead” line.","Use the weekly actives schedule in the Routine Planner to spread them out."],"faq":[{"question":"Does “don’t combine” mean I can never use both?","answer":"No — it usually means not in the same routine. Most clashing actives are fine if you use one in the morning and the other at night, or on alternate days."},{"question":"Is this allergy advice?","answer":"No. This chart is about ingredients fighting or irritating; it doesn’t cover your personal allergens. Scan a product in AllerNote to check it against your own triggers."},{"question":"Is it free?","answer":"Yes. Enter your email and the PDF downloads immediately."}],"page_url":"https://allernote.com/resources/dont-layer-these","file_url":"https://allernote.com/downloads/dont-layer-these.pdf","download_url":"https://allernote.com/api/resources/dont-layer-these/download?email={email}","usage":"GET the download_url with the user’s email substituted for {email} to record the lead and receive the PDF (HTTP 302). Append &format=json for a JSON link."}