The Complete Solution for Strong and Lush Hair! If you want dreamy hair and say goodbye to hair loss, Season Energize is the answer. The Shampoo uses serenoa extract and caffeine to stimulate follicles, protecting your hair from loss. The Serum is the secret treatment for thick and vigorous hair. With powerful ingredients such as caffeine and Serenoa Serrulata extract, it strengthens hair bulbs and promotes healthy growth. Your hair will be enviably thick.