Now treat the first signs of ageing hair - lack of body, dryness and dullness - with TRESemmé Youth Boost collection. This specialist solution system infused with omega-3 and antioxidants, recharges your hair with youthful fullness, softness and shine*, without weighing hair down. *Shampoo and Conditioner use. Features YOUTH BOOST. RECHARGE YOUR HAIR with youthful fullness, softness and shine. Youthful fullness, softness and shine in just 1 use Benefits TRESemmé experts understand the secret to keeping hair beautiful is to keep it youthful, soft, shiny and full. TRESemmé understands that women are concerned with ageing and the negative connotations it brings and desire to keep hair from going flat, dry and dull. Warnings or Restrictions Avoid contact with eyes, can cause eye iritation. In case of contact with eyes, rinse thoroughly with water.