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Aln4.0

Allantoin (topical)

High safety

Evidence

Evidence Score4/10

Studies: 5

Meta-analyses: 0

Dosage & timing

Dosage:

Topical cosmetic only. Allantoin is used at roughly 0.5-2% in moisturizers, soothing creams, and barrier/scar products, applied to the skin as directed. There is no oral, injectable, or systemic dose — it is not ingested. This library does not provide an ingestion protocol.

Best Time:

Any time

Can take on empty stomach

Form:

Leave-on moisturizer or soothing cream containing allantoin (≈0.5-2%)

What you'll notice

ℹ️ Cosmetic, appearance-only — a gentle supporting ingredientneutral

Throughout

🌿 Soothing and smoothingpositive

1-4 weeks

🩹 Supports wound/scar appearance (in combination products)positive

6-24 weeks

Safety

High safety

Contraindications:

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

Drug Interactions:

Other leave-on actives

Side Effects:

Allergic reaction

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