Bring on the sandals! There's no need to hide your feet this summer thanks to Nail Bright Serum, designed to combat nail fungus as well as promote healthy nail growth. From the first application, this nail serum made with safe, high quality ingredients helps to kill existing fungus and prevent further infection with quick and noticeable results. Watch in amazement as your brittle discoloured nails become strong and healthy with this best-selling anti-fungal nail treatment. Nip nail fungus in the bud once and for all with the one and only Nail Bright Serum, and enjoy nails you can be proud of!. DIRECTIONS. Apply to the nail and surrounding skin daily.. INGREDIENTS. Bean Oil, Almond Oil (Prunus Dulcus), Lemon Essential Oil (Citrus Limonum), Vitamin E (D-Alpha Tocopherol).