







This permanent hair dye delivers multidimensional colour while strengthening the hair's internal structure.
It features an alpha-hydroxy-acid (AHA) based system in every step, including a bonding primer, the colour itself, and a bonding treatment.
Formulated without ammonia, it provides complete coverage of grey hair for a natural-looking result.
Read MoreMULTIDIMENSIONAL COLOUR WITH AHA (alpha-hydroxy-acid) helps reinforce hair structure and create sublimely multidimensional colour
COLOUR + STRENGTH* + ZERO AMMONIA, ALL IN ONE. Clairol ColourStrong gives you multidimensional colour and reinforces the internal structure of your hair.* What's the secret? The continuous system with colour + bonding has AHA (alpha-hydroxy-acid) in every step: Bonding Primer, Permanent Colour and Bonding Treatment. Zero ammonia + 100% grey coverage. Sublimely multidimensional colour.
*Reinforces hair strength when using ColourStrong full kit vs. ColourStrong colour step only
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