HUMAN KERATINOCYTE CONDITIONED MEDIA is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HUMAN KERATINOCYTE CONDITIONED MEDIA

Safety grade: A

This ingredient comes from the natural fluid produced by human skin cells grown in a lab, which contains proteins and nutrients that skin naturally produces. When added to skincare products, it helps nourish and support your skin's health and appearance by delivering beneficial compounds similar to what your skin makes on its own.

Graded using: COSING.

Last verified: June 9, 2026