Questions about ANUA Nano Retinol 0.3% + Niacin Renewing Serum 30ml

It refers to the nano retinol complex used in the formula rather than pure retinol. The retinol itself is listed on the packaging at a lower concentration.

Evening use is generally recommended for this retinol serum. Apply broad-spectrum sunscreen during the day.

You can use vitamin C in the morning and retinol in the evening to simplify your routine and help manage irritation. Compatibility depends on the specific formulas and your skin's tolerance.

The formula includes skin-conditioning ingredients such as ceramides and panthenol, but retinol and aromatic botanical ingredients may cause irritation. Patch-test first, introduce it gradually and verify any sensitive-skin testing claims with ANUA.

Start with a small amount and apply a thin layer as directed by the manufacturer. Avoid excessive application, especially when beginning a retinol routine.

Changes in the appearance of skin texture and fine lines may take several weeks or longer. Results vary with skin type, usage frequency and tolerance.