OBAGI NU-CIL® BIOSTIM™ SCALP SERUM Hair Density Scalp Serum

Obagi Nu-Cil BioStim Scalp Serum promotes optimal scalp health and fortifies hair follicles for visibly denser, fuller hair. Powered by clinically proven actives, the BioStim™ Complex targets key factors that influence scalp health and hair resilience, delivering a comprehensive, root-level approach to hair revitalization.

• Hydrates, soothes, repairs, and balances the scalp to create an optimal environment for hair growth
• Strengthens, nourishes, protects hair follicles and boosts circulation as you massage the scalp for visibly fuller, denser hair

In less than 6 months, clinically proven* to:

• Significantly improve hair volume by 52%**
• Significantly reduce scalp redness by 29%**
• Significantly reduce scalp oiliness by 22%**

*Results based on a 2025 24-week clinical test. Data on file at Obagi Cosmeceuticals LLC.
**When compared to the untreated control group.

How To Use

• Apply serum once daily. Part hair and dispense directly onto the scalp. Gently massage with fingertips to ensure even distribution and boost circulation. Can be applied to either dry or damp hair. Do not rinse.
• Can be applied in the morning or at night. Allow serum to absorb fully and air-dry completely. This is a leave-in product, style your hair as usual. Apply daily for best results.