Supplements vergleichen

Topical cosmetic only. Alpha-arbutin is typically used at roughly 1-2% in leave-on serums, applied to areas of hyperpigmentation once or twice daily, usually alongside daily sunscreen and often with other brighteners. There is no oral, injectable, or systemic dose — it is not ingested. This library does not provide an ingestion protocol.

Any time

Leave-on-Serum zur topischen Anwendung (≈1–2 % Alpha-Arbutin)

Topical cosmetic only. Niacinamide is typically formulated at 2-5% in leave-on serums, creams, or gels and applied to clean skin once or twice daily (AM and/or PM). It layers well under sunscreen and with most other actives. There is no oral, injectable, or systemic dose in this cosmetic context — it is not ingested here. This library does not provide an ingestion protocol.

Any time

Auf der Haut verbleibendes topisches Serum oder Creme (2–5 % Niacinamide)

• For topical (skin) use only — not for ingestion, not for injection
• Known allergy or sensitivity to arbutin or hydroquinone
• Application to broken, irritated, or compromised skin until healed

• Other leave-on actives (acids, retinoids, other brighteners)

• For topical (skin) use only — not for ingestion, not for injection (in this cosmetic context)
• Known allergy or sensitivity to niacinamide or formulation excipients
• Application to broken, irritated, or compromised skin until healed

• Pure ascorbic acid (vitamin C) at low pH
• Strong leave-on exfoliating actives (AHAs/BHAs, retinoids)