A formulation for skin or nails containing Bis-aminopropyl diglycol dimaleate, can help repair damaged disulfide bonds due to natural wear and tear or natural aging. Shenzhen BST Science&Technology Co.,Ltd is a nail care ingredient bis-aminopropyl diglycol dimaleate supplier. Shenzhen BST Science&Technology Co.,Ltd is a nail care ingredient bis-aminopropyl diglycol dimaleate manufacturer. Shenzhen BST Science&Technology Co.,Ltd is a nail care ingredient bis-aminopropyl diglycol dimaleate seller. Specification: Appearance Yellow transparent liquid  Assay 50% bis-aminopropyl diglycol dimaleate, 50%Water (Aqua)  pH value The same as finished product Packing: Shenzhen BST Science&Technology Co.,Ltd can provide 2 packings now, 1kg test sample, plastic bottle+carton, 25kg packing, plastic drum+ carton.