Vitamin C + Hyaluronic Acid Serum from Holland & Barrett is a liquid product supplied in a 30 ml bottle. The formula includes the following ingredients: Aqua (Water) Citrus Limon (Lemon) Peel Water Propanediol Sodium Ascorbyl Phosphate Sodium Hyaluronate Sodium Benzoate Potassium Sorbate Citric Acid Ingredients Aqua (Water), Citrus Limon (Lemon) Peel Water, Propanediol, Sodium Ascorbyl Phosphate, Sodium Hyaluronate, Sodium Benzoate, Potassium Sorbate, Citric Acid. Allergens No allergens declared on label. Directions Use twice daily after cleansing. Gently smooth a small amount over face and neck. Best results when used in combination with the Holland and Barrett Multivitamin Micellar Water, Vitamin E Ultra Hydrating Day Cream and Vitamin F Replenishing Night Cream. Warnings For external use only. Avoid contact with eyes. Keep out of reach of children. Discontinue use if sensitivity occurs. Storage Store in a cool, dry place. Country of origin United Kingdom