- Nourishes / Thickens / Strengthens
A thickening, brow-boosting serum that borrows the best growth-supporting ingredients from our award-winning hair Density Booster, including our patented Alpha Keratin 60ku Clinical® protein, plus stimulating plant-based extracts and high-performing peptides for fuller, lusher, healthier brows and fewer uneven patches. Dermatologist tested. Non-Irritating.















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