Obagi Nu-Cil Eyebrow Boosting Serum is a dermatologist-tested, physician-endorsed serum that improves the appearance of fuller, thicker, darker-looking brows. Powered by NouriPlex® Technology, a clinically-proven blend of ingredients, it is formulated to address the look of thinning, patchy, and over-tweezed brows.
Ideal for clients experiencing the appearance of brow thinning from over-processing, aging, or natural hair changes, this lightweight, non-greasy formula fits easily into a daily routine.
Winner of the 2026 Cosmopolitan Holy Grail Beauty Award for Best Eyebrow Serum.
The Results
In a 2022 12-week blinded study:
- 100% of participants reported improvement in the appearance of brow fill at 8 weeks
- 96% reported improvement in the appearance of brow density and volume at 8 weeks
- Pronounced results reported at 12 weeks
*Results based on a 2022 12-week blinded study. Data on file at Obagi Cosmeceuticals LLC.
What Makes It Work
NouriPlex® Technology is a unique blend of biotin, panthenol, sodium hyaluronate, and a proprietary lipid compound. Biotin supports the natural production of keratin, panthenol helps condition the hair, and sodium hyaluronate hydrates to improve the look of brow hair.
The Good Stuff
- Improves the appearance of fuller, thicker, darker-looking brows
- Dermatologist-tested and physician-endorsed
- Lightweight, non-greasy formula
- Powered by clinically-proven NouriPlex® Technology
- Suitable for daily use
How To Use
- Cleanse the skin and allow it to completely dry
- Nightly, apply the serum from the root of the eyebrow, following the natural shape of your brow
- Wait 90 seconds for the product to dry, then continue your skincare routine
Visible improvements in the appearance of brow fullness typically appear with consistent daily use over 8 to 12 weeks.
Good To Know
Avoid direct contact with the eyes. Consult your physician before use if pregnant or nursing. Obagi Nu-Cil is not intended to cause eyebrow growth, nor prevent, cure, relieve, resolve, stop, or reduce eyebrow loss. Individual results may vary.
Product Details
- Size: 5 ml
- Use: Daily brow enhancing treatment
- Best for: The appearance of sparse, thinning, or over-tweezed brows
- Technology: NouriPlex®
- Tested: Dermatologist-tested, physician-endorsed
