Health claim

“Niacinamide applied twice daily reduces sebum production by up to 20% in oily skin.”

Claim checked — weak evidenceMedium riskother

Evidence Summary

Limited or low-quality evidence — treat with caution.

Limited small trials report modest sebum reduction; larger studies are needed for confirmation.

Extracted from

The Most Science-Backed Skincare Routine | Dr. Danny Guo

Dr. Danny Guo

Dr. Danny Guo outlines a concise, evidence‑informed skincare routine, emphasizing simplicity and scientifically supported product choices.

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Educational content only. This page summarizes publicly available video content for informational purposes. It is not medical advice. Always speak with a licensed healthcare professional before making any medical decisions.

Niacinamide applied twice daily reduces sebum production by up to 20% in oily skin. — Evidence Review — MenHealth Digest