It is not a medicine or a supplement, and no validated human dose, route, timing, or cycle exists for it
While Dihexa shows promising benefits, its still a powerful compound that should be used wiselywith the right expectations, precautions, and support
What does 7x better absorption mean in practice
GHK-Cu Under Eye Routine A GHK-Cu under-eye routine keeps the delicate area simple: after cleansing, use your ring finger to gently pat a small amount of GHK-Cu Face Serum around the orbital bone (not on the lash line), using light pressure so you do not tug the skin, then follow with GHK-Cu Face Cream for hydration
Taking them together is generally considered complementary at a category level, though you should confirm any stacking approach with a clinician if you are managing a specific condition