Strengthen, extend and walk. Hair alchemy shampoo and conditioner strengthen brittle strands, preventing hair loss caused by breakage. Hair alchemy strengthening treatment serum forms a scaffold around each hair fiber to provide strength and promote length. Hair alchemy strengthening treatment serum forms a scaffold around each hair fiber to provide strength and promote length. Designed to be donated (and collected) in a limited edition box containing original artwork by Louis Barthelemy. (Value 76.70 euros)