Growth-factor complex
Growth Factors (TNS)
INCI: Human Fibroblast Conditioned Media·Moderate evidence
A complex of signaling proteins secreted by cultured human skin cells, the hero of prestige "growth-factor" serums, studied for the appearance of firmness and fine lines.
Studied for
- ·The appearance of fine lines and wrinkles
- ·The look of firmness and texture
How it’s thought to work
Studied as a blend of signaling proteins associated with supporting the appearance of skin renewal; effects are highly formulation-specific and the exact levels are proprietary.
Questions
- Do growth-factor serums work?
- There is a moderate body of cosmetic research on the appearance of fine lines, though much of it is brand-sponsored and results are specific to each finished formula rather than to "growth factors" in general.