Glutathione is a versatile skincare ingredient suitable for most skin types, particularly those with hyperpigmentation, uneven skin tone, or signs of ageing
Because of this, I focus heavily on balancing peptide concentration, stabilizing the formula environment, and designing textures that feel elegant on the skin
2011 Nov;14(6):562-8
It is suggested to conduct further studies with larger sample sizes, different doses and types of vitamin B12, and different primary outcomes
The copper-binding tripeptide has been shown to stimulate collagen synthesis in fibroblast cell cultures, promote decorin and glycosaminoglycan production, and modulate expression of metalloproteinases (MMPs) involved in extracellular matrix remodeling in vitro
However, severe cartilage damage with minimal remaining chondrocytes cannot regenerate regardless of peptide support, intact cell population required