Food coloring
Lakes are the combination of dyes and insoluble material.  Lakes tint by dispersion.  Lakes are not oil soluble, but are oil dispersible.  Lakes are more stable than dyes and are ideal for coloring products containing fats and oils or items lacking sufficient moisture to dissolve dyes.  Typical uses include coated tablets, cake and donut mixes, hard candies and chewing gums, lipsticks, soaps, shampoos, talc etc.