Unopened. I received this as a sample at Yamano Salon last week, but I already have another product I'm using, so I'm selling this. This serum contains EGF and supports hydration, firmness, and skin regeneration. It can also be used as a pre-treatment serum. - Product Name: E・G・F Serum KL - Contents: 30ml - Made in: Japan - Ingredients: EGF (Epidermal Growth Factor) - How to use: Apply an appropriate amount to the skin. - Packaging: Boxed