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Topical cosmetic only. Ceramide-containing moisturizers are applied liberally to clean skin once or twice daily (and after bathing, to damp skin, to lock in water). There is no oral, injectable, or systemic dose in this context — it is not ingested. This library does not provide an ingestion protocol.

Any time

Ceramide-containing cream or lotion (with cholesterol and fatty acids)

Topical OTC. Apply a broad-spectrum SPF 30+ sunscreen daily to sun-exposed skin as the last step of a morning routine, using an adequate amount (about 2 mg/cm² — roughly a nickel-sized dollop for the face, a shot-glass for the body) and reapply every ~2 hours of sun exposure and after swimming/sweating. Mineral (zinc oxide / titanium dioxide) filters are preferred if you're concerned about systemic absorption. There is no oral or systemic dose — it is not ingested. This library does not provide an ingestion protocol.

Morning

Broad-spectrum SPF 30+, applied daily; mineral (zinc oxide/titanium dioxide) if concerned about absorption

• For topical (skin) use only — not for ingestion
• Known allergy or sensitivity to formulation ingredients

• Other leave-on actives

• For topical (skin) use only — not for ingestion
• Known allergy/sensitivity to a specific UV filter (switch to a mineral filter)

• Other leave-on actives