I have tried it. The formula is as follows: Sulfate Free no tear shampoo base 25% น้ำมันมะพร้าว 5% can be mixed to make a thick cream, add water to 69.3%, add Phenoxyethanol SA 0.7%. Stir well, milky white is milky. But it's not thick, so add salt. (Used for cooking, down to 0.3%) to get a little th...