Dr. Draelos reviews the methodology and findings of a clinical study published in the March 2025 issue of the Journal of Clinical and Aesthetic Dermatology, which evaluated the safety and efficacy of a dietary supplement containing rosemary extract for improving visible skin quality.

The double-blind, randomized, placebo-controlled study assessed changes in several skin quality parameters over a 12-week period, including erythema, dullness, texture, and pigmentation.

Topics Covered

• Study design and methodology of the placebo-controlled trial
• Evaluation of skin quality changes over 12 weeks
• Effects on erythema, skin dullness, texture, and pigmentation
• Safety and tolerability findings related to the dietary supplement

Reference
Draelos ZD, et al. A Single-center, Double-blinded, Randomized, Placebo-controlled Trial Evaluating the Safety and Efficacy of a Dietary Supplement Containing Rosemary Extract on Visible Facial Skin Quality. Journal of Clinical and Aesthetic Dermatology. 2025;18(3):28–33.

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