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Colorwinter 2026

L'Oréal Professionnel iNOA Boosters — extra pigment for a deep winter shade

Sometimes a standard shade isn't intense enough — your colorist blends in iNOA Boosters to push it deeper, cooler or warmer, fully ammonia-free.

L'Oréal Professionnel

iNOA Boosters are ammonia-free boosters that the colourist can mix with any iNOA shade to intensify or neutralise colour, even on a dark base. Violet neutralises unwanted yellow tones and deepens cool shades, Bleu does the same towards cool brown and black shades: exactly the corrections that give a winter colour that little bit of extra depth. According to the brand the boosters give 2x more intensity and 2x more neutralisation than the same shade without a booster (instrumental test), and hold back unwanted warm undertones for up to 8 weeks. In the salon the booster is mixed with the chosen iNOA shade and the iNOA oxidant, in a fixed ratio of 0.25 + 0.75 + 1, so it blends evenly through the colour instead of sitting on top as a separate layer. iNOA's oil-based system stays odourless and comfortable for the scalp.

iNOA Booster — Bleu
iNOA Booster — Violet

Exactly the kind of correction that gives a winter colour that extra dose of depth.

iNOA — result
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