Yellow Liquid Soap Dye This bright 'lemon' yellow dye remains true in cold process soaps and can be used in all cosmetic applications such as melt and pour soaps, liquid bases or bath bombs. Tartrazine based colour. Tartrazine (otherwise known as E number E102, C.I. 19140, or FD&C Yellow 5) is a synthetic lemon yellow azo dye widely sold as a food colouring. It is a commonly used colour all over the world, mainly for yellow, but can also be used with Blue or Green to produce various green shades. INCI: CI19140, Phenoxyethanol EHG. The strength of colour obtained from any dye or pigment is dependent upon the concentration used. Using concentrated dyes or pigments may result in deep colour that can bleed from the product in use and/or discolour surfaces. We suggest that all dyes and pigments are used sparingly, further diluted where necessary, and chosen so as they are appropriate for the use they're being put to. We cannot accept any responsibility for any unexpected consequences as a result of the use of any of our dyes or pigments. It is the customer's responsibility to check that any dye or pigment is suitable for the use that they intend it for and test the dye or pigment for suitability. Important Note: The information provided is for educational purposes only.
