Brand from Japan: Rohto Mentholatum. Newly upgraded 20% pure vitamin C serum, targeting mature skin.Improve skin problems such as stubborn spots, acne scars, bumps, rough skin, wrinkles, and sagging.3.7 times the penetration power, injecting the powerful antioxidant and anti-aging power of pure vitamin C into the dermal layer.Effectively inhibits and dilutes melanin and promotes collagen proliferation.Reduce wrinkles, tighten skin and minimize pores.Skin becomes smooth, youthful and brighter.How to use:Use in the morning and evening after cleansing and lotion.Squeeze 3-4 drops of serum into the palm of your hand.Apply lightly on face and neck, especially dull and dry areas.