Goldwell dualsenses rich repair regenerating serum is a deep reconstructive treatment for dry to damaged hair, effective in seconds. enriched with microprotec complex, it immediately acts inside the hair strengthening the structure and preventing breakage. the intralipid system balances the lipid deficiencies of the hair by filling the damaged areas of the structure and sealing the cuticles. the hair is healthier and brighter, the natural beauty is intensified. safe formula on coloured hair.