Cosmetic blepharoplasty is directed at the surgical correction of undesirable changes of the eyelids that are usually of an acquired nature and caused by aging. The goals are to improve the appearance and, many times, the function of the eyelids. Just as important as attaining these goals is avoiding any complications or undesirable sequelae of a blepharoplasty procedure. In this article, the technique and application of transconjunctival blepharoplasty are reviewed. The differences in the preseptal and retroseptal approaches are discussed and illustrated. The transconjunctival technique can be expanded through the use of various other techniques in order to apply it to a wider variety of patients. These expanded techniques of transconjunctival blepharoplasty allow the surgeon to manage excess skin and rhytids more effectively. Transconjunctival blepharoplasty, therefore, represents a technique in the armamatarium of surgeons performing cosmetic blepharoplasty that has gained new popularity. The technique can be effectively applied to a wide variety of patients. Transconjunctival blepharoplasty allows the surgeon to accomplish many of the esthetic goals of blepharoplasty while reducing the incidence of many of the associated problems, i.e., lid malposition and a visible cutaneous scar.