Multiple clinical trials in photoaged skin (sun damage) have shown that topical GHK-Cu formulations improve skin appearance including reductions in fine lines and wrinkles, improvement in skin firmness and elasticity, enhancement of skin texture and smoothness, increase in skin thickness (reversing age-related dermal atrophy), improvement in skin clarity and reduction in hyperpigmentation, and overall rejuvenated appearance
Under the direction of a healthcare provider, apply hydroquinone topical cream sparingly to clean, dry skin twice daily on affected areas only
Danno K, Colas A, Terzan L, Bordet MF
PMID 12221075.
The sensitivity of R 4 parameters ( k p4 ) with respect to model OCR output is in good accordance with the AIC/BIC analysis, confirming the need for the R 4 reaction, which is present in both the triad and the comproportionation models, but not in the reduced model
These laboratory abnormalities may progress, may remain unchanged or may be transient with continuing therapy