Yet the scalp can become dry, tight, oily, congested or visibly irritated, just like facial skin
Neurochem Int 61:100107 Nasca C, Xenos D, Barone Y, Caruso A, Scaccianoce S, Matrisciano F, Battaglia G, Mathe AA, Pittaluga A, Lionetto L, Simmaco M, Nicoletti F (2013) l-Acetylcarnitine causes rapid antidepressant effects through the epigenetic induction of mGlu2 receptors
Acta Neurobiol Exp (Wars) 76:257268 Roberts AL, Lyall K, Hart JE, Laden F, Just AC, Bobb JF, Koenen KC, Ascherio A et al (2013) Perinatal air pollutant exposures and autism spectrum disorder in the children of nurses health study II participants
You should discard the vial immediately
It is formulated for consistency and reliability in laboratory environments and commonly used in research settings for peptide reconstitution, dilution, and multi-use preparation