A Next-Generation, Redensifying Scalp Serum Clinically Proven to Promote Fuller, Denser-Looking Hair* Obagi Medical Launches Nu-Cil® BioStim™ Scalp Serum A Next-Generation, Redensifying Scalp Serum Clinically Proven to Promote Fuller, Denser-Looking Hair NEW YORK, Oct. 08, 2025 (GLOBE NEWSWIRE) -- Obagi Medical (“Obagi”), the fastest growing professional skincare brand in the U.S. in 2024*, proudly unveils its latest innovation rooted in clinical skin science: Nu-Cil® BioStim™ Scalp Serum. Designed to pr ...