Introducing Blue Color Boost for New Wash: the healthier way to boost your hair color and keep brunette and brown hair glossy and fade-free with a unique botanical complex designed to be mixed with New Wash Original or New Wash Rich (New Wash, mixing tin and whisk sold separately). The unique formula protects colored hair from external aggressors to keep your color vibrant, bold and healthy between salon visits.

For a more convenient Color Boost experience, consider a Blue Color Boost and New Wash Original Duo or Blue Color Boost and New Wash Rich Duo subscription, which includes New Wash, a reusable mixing tin and whisk plus savings and free auto-delivery with every refill. Not ready to commit? Try a one-time purchase of the Blue Color Boost and New Wash Original Set or Blue Color Boost and New Wash Rich Set (mixing tin and whisk included).

Note: Mixing Blue Color Boost with New Wash Deep may not yield your desired results. Using Blue Color Boost exclusively with New Wash Original or New Wash Rich is strongly recommended for optimal performance and to maintain your hair's radiant shine while combating brassiness.

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