Why should I use all the products in the Obagi Nu Derm System?
Each Obagi System is specifically designed to work together as a system to transform your skin. When used as a system, the formulas work together to effectively balance the ph level and penetrate ingredients to the layers of the skin, revealing superior results. This 24-week study in 301 subjects examined the clinical efficacy and safety of a proprietary system (Obagi Nu-Derm System) composed of a specific protocol of cleanser, toner, alpha-hydroxy acid, tretinoin, hydroquinone and SPF (Group 1), compared with a 0.1% tretinoin regimen, including cleanser and SPF 30 (Group 2), 4.0% hydroquinone regimen, including cleanser and SPF 30 (Group 3) and the most common over-the-counter (OTC) products recommended by physicians – cleanser, moisturizer and SPF 30 (Group 4). Methods: Facial photodamage (perioral wrinkles, periocular wrinkles, facial wrinkles, hyperpigmentation, clarity, sallowness, tactile roughness and laxity) and irritation (erythema, edema, scaling, papular rash, burning, sting
