RedKen Chemistry Filler Shot Phase is a high-performance rejuvenating treatment for porous, aging hair. Its formula includes an advanced vital 5 complex that offers internal support while unifying surface porosity. This RedKen Shot Phase is so effective that it stays with you for up to 10 shampoos. The formula also includes green tea antioxidants for fast and natural neutralization of free radicals. When caring for your hair always remember to decrease the temperature of your water when washing. Wash hair less often, as over washing will fade color, dry hair, and cause breakage. Always gentle cleansing shampoos heat protecting products for styling, and brush hair prior to washing and prior to going to bed. Make sure to use hair treatments masks at least once a week for moisture, color protection, scalp health and shine enhancement depending on your hair type. Try to avoid products with harsh sulfates (SLS or SLES), harsh parabens, sodium chloride, and petrochemicals.