King C. Gillette Beard Thickener with Vitamin B & Caffeine – 50 mLKing C. Gillette Beard Thickener with Vitamin B & Caffeine 50 mL Achieve a fuller, healthier looking beard with the King C. Gillette Beard Thickener. Formulated with caffeine, vitamin B complex, and plant derived ingredients, it helps strengthen hair from the roots and provides an instant thickening effect for your beard. Light, non sticky formula designed for daily use Contains caffeine and vitamin B to help strengthen beard hair Visibly thicker,