EGF (Epidermal Growth Factor)
INCI · sh-Oligopeptide-1 · also epidermal growth factor, recombinant EGF, sh-Oligopeptide-1
How it works
Epidermal growth factor is a signaling protein that binds to receptors on skin cells, triggering proliferation and migration involved in tissue repair. In skincare, it is produced recombinantly, usually via yeast or bacterial fermentation, then formulated at very low concentrations to encourage the skin's own regenerative processes rather than deliver the protein systemically. This cell-communicating mechanism sets it apart from ingredients that simply hydrate or exfoliate — EGF is instructing cells rather than altering the skin's surface directly.
The evidence
EGF has a well-established role in wound healing within medical literature, and cosmetic studies suggest topical formulations can improve fine lines, firmness, and post-procedure recovery time. I view the science as promising but still maturing for cosmetic-grade use — protein stability, skin penetration, and the ideal concentration range are less standardized than with retinoids or peptides, so I recommend it as a complementary ingredient rather than a foundation of a routine. Formulation matters enormously here, since proteins degrade easily, and not every product on the market maintains functional EGF through its full shelf life.
Suitability
- Best suited to those already pursuing advanced anti-aging routines
- Useful in post-procedure recovery formulas under professional guidance
- Generally well tolerated by dry and combination skin
- Safety in pregnancy is unknown — I recommend avoiding it or consulting a dermatologist first
Concentration
EGF is used at extremely low concentrations, often parts-per-million level, since it functions as a signaling molecule rather than a bulk active. More is not better here — efficacy depends on receptor binding, not raw concentration, so I encourage patients to prioritize brands with published stability data over those emphasizing a specific percentage.
Conflicts & combinations
- Pairs well with peptides and oligopeptides for layered cell-communicating support
- Combines with hyaluronic acid and panthenol in recovery-focused serums
- No known conflicts, though formulation stability with strong acids can be a practical concern
- Best applied on clean skin before heavier occlusive layers to maximize contact time
- anti aging
- uneven texture
- dullness
- Effective from
- 0.0001%
- Max safe
- 0.001%
What does EGF do in skincare?
It signals skin cells to proliferate and repair, which can support firmness, texture, and post-procedure healing.
Is EGF the same as growth hormone?
No, EGF is a distinct signaling protein specific to epidermal cell repair, unrelated to human growth hormone.
Is EGF skincare safe?
Current data suggests topical recombinant EGF is well tolerated, but long-term safety research is still developing, so professional guidance is wise for those with skin cancer history.
Can EGF be used during pregnancy?
Safety data is insufficient to confirm, so it's best avoided or discussed with a doctor during pregnancy.
How is EGF made for skincare products?
It's typically produced recombinantly through yeast or bacterial fermentation rather than harvested from animal or human tissue.