Sepiwhite™ MSH is the trade name for Undecylenoyl Phenylalanine, a targeted brightening active.
The supplier describes it as an α-MSH pathway modulator designed to reduce signaling that activates tyrosinase, a key enzyme in melanin production. It belongs in the brightening-active category, not formula support.
Usage & cautions
Use sunscreen consistently in any pigmentation routine. Stop or reduce use if the finished product causes persistent irritation.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
Might be time to restock
Based on when this product was added to cart on this device. Check your bottle before reordering.
