https://www.tresemmenaturalssettlement.com/Landing.aspx
you qualify if you purchased at least one of the following TRESemmé Naturals products: Nourishing Moisture Shampoo, Nourishing Moisture Conditioner, Radiant Volume Shampoo, Radiant Volume Conditioner, Vibrantly Smooth Shampoo, or Vibrantly Smooth Conditioner. No proof of purchase is required.