Reduction in the appearance of facial hyperpigmentation by topical <i>N</i>‐undecyl‐10‐enoyl‐<scp>l</scp>‐phenylalanine and its combination with niacinamide

Abstract

The combination of 5% niacinamide and 1%N-undecylenoyl phenylalanine is an effective anti-aging technology for use on facial skin.