- This awakening shampoo is infused with aroma-therapeutic oils to help rejuvenate and revitalize hair and scalp. Cleanse, fortify and enhance volume for fine and thinning hair. pH 4.5-5.5. Enjoy presents Volume: offering and array of robust, stimulating solutions for much stronger, fuller, thicker and healthier-looking hair. Wet hair. Apply shampoo, work into hair and scalp and then rinse. For more intense lather, repeat the process. Follow with the ENJOY® conditioner of choice.