Viviscal Thickening Shampoo 250ml Strengthens and reduces breakage Leads to a fuller, thicker, healthier-looking hair. At Viviscal, we understand the science of healthy hair growth from inside out. Viviscal Thickening Shampoo, formulated with hair building blocks Biotin and Keratin, and fortified with Marine Collagen and Seaweed extract, strengthens and reduces breakage leading to naturally fuller, thicker, healthier-looking hair. Church & Dwight UK Ltd, Wear Bay Road, Folkestone, CT19 6PG, UK. SOFIBEL SAS, 110 to 114 rue Victor Hugo, 92686 Levallois-Perret.