Hair thickeners and hair thickening products are perfect for fine hair, flat hair or hair that is lifeless, limp or lacking volume. Kerastase hair thickeners are products that help restore weakened hair prone to thinning mostly. Our Genesis Homme collection for men’s hair features a wax pomade that is a light-hold thickener, as well as a thickening hair spray. From our Densifique collection we have our best-selling Densimorphose Hair Mousse that provides more density for sparse and thinning hair. Our primary styling hair mousse, Mousse Bouffante, thickens by volumizing and bodifying any hair style. Shop the hair styling set for the full assortment of thickening products and save 10% or find the best hair thickener for your hair styling needs.