Guangzhou Duoya Cosmetics Co., Ltd.Becomefirstbrandofpersonalcare! Top Selling Coenzyem Q10Skin Care Cosmetics Product Specifications: 2. 120ml toner 3.40ml essence4.100ml Lotion 5. 50g Cream What is Q10?Co-enzyme Q10 is known as a energy source for skin cells to help skin's natural metabolism. Keeping Collagen which keeps firmness and elasticity of skin and working as antioxidant to defend against free radicals that attacks healthy skin cells, which results in brown spots, lines, wrinkles, and loss of elasticity. About Duoya