Effective Formula Against Hair Loss Our Hair Growth Serum contains 5% biotin, combined with rosemary and ginseng extract. This powerful blend combats hormonal and age-related hair loss while promoting your hair growth. Stronger and thicker hair: The unique combination of collagen, vitamin B6 and other highly effective nutrients ensures visibly healthier, stronger and thicker hair - ideal if you want to fight thinning hair. Easy to use and ultra-light formulation: apply the serum twice a day directly to the affected areas of your scalp. With the practical pipette, the serum can be easily dosed and it absorbs quickly without greasing or weighing down the hair. This serum offers you an effective and natural solution for hair loss without having to resort to harsh chemicals. It is gentle on the scalp and free from parabens and silicones.