GHK-Cu Neck & Face Serum features a 4% concentration of Copper Tripeptide-1. This lightweight, everyday-use serum is enriched with a naturally derived copper complex to support skin barrier health. The ingredients are blended together to make it appropriate for all skin types, including sensitive skin.

Usage: After cleansing and toning the skin, apply a few drops to the face and neck in gentle patting motions. Follow with SPF during the day and moisturizer in the evening. This lightweight formula is suitable under makeup.