These additional components, while benign in a cosmetic cream, could interact with biological systems in unpredictable ways when introduced into a research setting
The authors called for well-designed human studies
However, these materials still have inherent disadvantages that restrict their application and efficacy
The differential equation for the concentration of cytosolic cysteine (Cys) is straightforward: The first term on the right is the production of cysteine from cystathionine (Cysta) by CGTL and the second term is the import of cysteine into the cell, which depends on the concentration of cysteine in the blood ([bCys])
GHK-Cu: Often discussed for collagen, skin, wound-healing, and tissue-support models
PMID: 182 HannestadJSubramanyamKDellagioiaNPlaneta-WilsonBWeinzimmerDPittmanBet al