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Fer4.0

Ferulic Acid (topical)

High safety

Evidence

Evidence Score4/10

Studies: 5

Meta-analyses: 0

Dosage & timing

Dosage:

Topical cosmetic only. Ferulic acid is typically used around 0.5-1% within antioxidant serums (classically with 15% L-ascorbic acid + 1% vitamin E), applied to clean skin in the morning under sunscreen. There is no oral or systemic dose in this cosmetic context. This library does not provide an ingestion protocol.

Best Time:

Morning

Can take on empty stomach

Form:

Vitamin C + E + ferulic acid antioxidant serum, used in the morning under sunscreen

What you'll notice

ℹ️ An antioxidant booster — not a standalone activeneutral

Throughout

🛡️ Boosts antioxidant photoprotection (with C+E)positive

Throughout

⚠️ Evidence is combination-basedneutral

Throughout

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:

Mild local irritation

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