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Topical use. Adapalene 0.1% (OTC) or 0.3% (prescription) gel/cream is applied as a thin layer to the whole affected area once daily, usually at night, starting every other day and building to nightly as tolerated. Full benefit takes ~8-12 weeks. There is no oral or systemic dose — it is not ingested. It is most effective combined with benzoyl peroxide. This library does not provide an ingestion protocol.

Evening

Adapalene 0.1% gel/cream (OTC), applied nightly to the whole area

Topical cosmetic only. Acne trials used a 5% tea tree oil gel applied to affected areas (typically twice daily). Avoid undiluted (100%) application, which is more irritating and sensitizing. Patch-test first, and use fresh, properly stored product (oxidized oil raises allergy risk). There is no oral or systemic dose — it is not ingested (and tea tree oil is toxic if swallowed). This library does not provide an ingestion protocol.

Any time

5% tea tree oil gel (the trial-tested strength)

• For topical (skin) use only — not for ingestion, not for injection
• Pregnancy and breastfeeding — retinoids are generally avoided as a precaution
• Known allergy/sensitivity to adapalene or formulation excipients

• Other irritating actives (other retinoids, AHAs/BHAs)
• Benzoyl peroxide

• For topical (skin) use only — NEVER ingest (tea tree oil is toxic if swallowed)
• Known allergy/sensitivity to tea tree oil or other essential oils
• Undiluted application to skin (higher irritation/sensitization risk)

• Other topical actives (benzoyl peroxide, retinoids, acids)