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Introduction: 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, stinging,
itching and tightness) were assessed by investigative clinical
graders at baseline and 1, 6, 12, 18 and 24 weeks of treatment.
Digital photography, ultrasound scans, silicone replicas and
full-thickness facial biopsies were also performed.
Results: Obagi Nu-Derm System was significantly
more effective (P²0.05) than the other three treatments in all
seven variables as demonstrated by change from baseline in
evaluations at 12 weeks and 24 weeks (Figures 1 and 2).
Conclusions: Obagi Nu-Derm System outperformed
the other three regimens (drug or OTC) at both 12 weeks and 24
weeks.




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Obagi Nu-Derm System significantly improved
perioral fine wrinkles, periocular fine wrinkles, facial fine
wrinkles, mottled hyperpigmentation, clarity, sallowness, tactile
roughness and laxity compared with the commonly prescribed
regimens of tretinoin and hydroquinone and the over-the-counter
(OTC) regimens.
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Obagi Nu-Derm System composed of a
protocol of cleanser, toner, alpha-hydroxy acids with 0.1%
tretinoin, 4.0% hydroquinone and SPF has statistically superior
efficacy in the treatment of photodamage than other tested
therapies.
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Obagi Nu-Derm System was well tolerated when used
under appropriate supervision.
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Other efficacy parameters will be described in a future
publication.
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To optimize outcomes in individuals with fine lines and wrinkles
plus laxity characteristic of photodamaged skin, clinicians
should consider treatment with drug regimens or more ideally,
with Obagi Nu-Derm System.
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* To Read Details on this study click here.

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