Lumecare Hypromellose 0.3% Preservative Free Eye Drops Lumecare Hypromellose 0.3% Preservative Free Eye Drops provide relief from dry eyes for up to 4 hours. The preservative free formula is suitable for those with sensitive eyes & can be used with all types of contact lenses to keep them comfortable throughout the day. Each re-closeable single provides up to 12 hours of use. Ingredients Hypromellose 0.30% w/v, Sodium Chloride, Potassium Chloride, Borax, Boric Acid, Water for Injection.