Styling & finishing serum. Adds brilliant shine and softness. Maintains blonde and grey hair free of yellow tones. This concentrated SEALVER SERUM polishes the hair for a brilliant shine. Following the use of SEALVER SHAMPOO and/or SEALVER MASK, the serum maintains blonde and grey hair free of brassy tones. It prevents split ends, moisturizes and shields the hair from heat styling. USE: Apply to towel dry or dry hair. Comb through lengths and ends. Proceed with Styling & Finishing. Leave-In.