Red 40 is used frequently to obtain those amazing colors in bath bombs and bubble products due to the fact that it will color the water but not the skin or tub unless used in large quantity. It can also be used in soap making but the color will eventually fade and it may bleed. This dye is 37% pure, Aluminum lakes are made from their counterpart, red 40 dye. Lakes are a lower concentration of a straight dye so more can be used and it will also appear the color it makes in bath and body products while in the jar.
Lakes are easy to use and although mostly water soluble they are not entirely water soluble. They will color both your bombs and other bath and body products as well as color the water. These also perform amazing in embeds.
This dye is safe for general cosmetic usage, including use in the area of eyes, lips.
This dye is certified and will come to you with the proper certification to comply with FDA guidelines for its use in products intended for sale. http://www.fda.gov/ForIndustry/ColorAdditives/ColorAdditiveInventories/ucm106626.htm
1 oz jar