Ingredients for a solid shampoo - 60 g of SCI - 20 ml water - 15 ml organic jojoba oil - 5 ml organic coconut oil - 6 g rhassoul - 10 drops of organic bitter orange ?petit grain? essential oil Material - a saucepan for the water bath - a stainless steel bowl - a spatula - a mini whisk - a precision scale - a silicone mould (kitchen mould) Preparation 1/ Make sure you wear a mask over your nose and eye protection as SCI is highly volatile and can be irritating to the respiratory tract. 2/ Melt the SCI surfactant with the water and coconut vegetable oil in a double boiler, mix gently, without heating too much or bringing to the boil. 3/ Remove from the heat and add the jojoba oil and rhassoul, mixing well to incorporate the SCI into the rest of your preparation to obtain a paste. 4/ Finally, add the drops of bitter orange ?petit grain? essential oil and mix again. 5/ Place your preparation in the fridge for 30 minutes and leave to dry for 48 hours at room temperature before use.