Founded in 1968, Leonor Greyl is a French company specialising in haircare products with a focus on plants and natural active ingredients. The proof is in the Shampooing Reviviscence. Suitable for dull and brittle hair, this product is made from amaranth, sea lavender and quinoa extracts and helps repair and nourish the hair while restoring its shine. A must-have you'll want to try out straight away.