Obagi Daily Hydro-Drops® Facial Serum is an innovative hydrator with cutting edge Isoplentix^™ technology, which provides Vitamin B3, Abyssinian Oil, and Hibiscus oil in their purest forms and leaves skin looking smoother, more radiant, and feeling hydrated all day. Daily Hydro-Drops are hypoallergenic, non-comedogenic, Dermatologist and Ophthalmologist tested.