GHK-Cu

Timing

A general projection of what people report noticing over time, based on the known mechanism and reported use patterns. It is not a guarantee and individual experience varies considerably.

1. 1

   1–2 Weeks

   Topical users may notice subtly smoother-feeling skin fairly early on.

2. 2

   3–4 Weeks

   Skin texture and hydration are often the first visible changes users report.

3. 3

   5–7 Weeks

   Continued use is commonly associated with a more even skin tone.

4. 4

   8–10 Weeks

   Fine lines and skin firmness may begin to show modest visible improvement.

5. 5

   11–15 Weeks

   Users often describe this period as when skin-quality changes become most noticeable to others.

6. 6

   16–20 Weeks

   Continued improvement in skin elasticity and texture is commonly reported through ongoing use.

7. 7

   21–24 Weeks

   By this stage, many users have reached a stable, maintained level of visible skin improvement.

⚠️ Research context only. This is not medical advice and results are not guaranteed.