TKB Lip Liquid TKB stands for Truth, Knowledge and Beauty. TKB has been helping people make their own cosmetics and personal care products for over 20 years! TKB Lip Liquids may be used full-strength as a ready-to-wear Lip Pigment or drop-by-drop to color a cosmetic base such as TKB Gloss Base. TKB Lip Liquids are made in the USA from cosmetic grade dyes and pigments pre-dispersed in castor oil. TKB Lip Liquids are appropriate for oil-based projects such as lip gloss, lipstick, lotions, and soaps. 1 fl oz of a Lip Liquid contains about 600 drops of color. Shake before use.