This set features the Lazartigue Thicker Redensifying Serum paired with the Fortifying Shampoo, designed to address concerns related to hair density and strength. The Thicker Redensifying Serum works to invigorate the scalp environment, promoting the appearance of thicker, fuller-looking hair over time. It is formulated to support natural hair health. The included Fortifying Shampoo gently cleanses while complementing the serum's actions, helping to fortify the hair fiber from root to tip, resulting in stronger, more resilient hair. This combination offers a comprehensive approach for those seeking to enhance their hair's volume and vitality.