The Express Tones After Dark collection is designed for rich-shine-fast-acting- progressive demi-permanent tones that deposit on any level of hair. PRAVANA's ammonia-free 5-15 minute tones for brunettes and true-to-tone-ammonia-free tones in 5 minutes or less for blondes series & 5 minutes for brunettes. With this product, you can use it to create long-lasting tones that take less than 5 minutes to reach level 7 and level 6, depending on your level.