The a* value quantifies redness (lower = less red)
When it is too high, it can create acne and pimples, and when it is too low, it can cause your skin to dry and dull
In detail, the NTP determined there was strong, though not sufficient, evidence for persistent NSW (long-term, frequent, or beginning at an early age), supported by mechanistic data on circadian disruption, while IARC classified NSW as probably carcinogenic to humans (Group 2 A) based on limited human and sufficient animal evidence 276,277
A proposed two-phase stem cell model suggests copper-free GHK promotes stem cell replication and survival, while GHK-Cu (with copper) promotes differentiation
Consult your provider about OTC options: Some over-the-counter antacids or acid reducers may be helpful, but always ask your medical team before starting new supplements or medications