Abstract: The present disclosure relates to semi-permanent tattoos, for example, compositions comprising semi-permanent colorants and semi-permanent colorant precursors that include derivatives of genipin and lawsone. In some embodiments, the composition comprises: a semi-permanent colorant present in an amount of about 10% to about 20% w/w of the composition; a solvent present in an amount of about 65% to about 80% w/w of the composition; and a thickening agent present in an amount of 0.01% to about 0.3% w/w of the composition. In some embodiments, the composition further includes one or more of a film-forming agent, a humectant, and a preservative.

Abstract: The present disclosure relates to semi-permanent tattoos, for example, genipin-based ink compositions. In some embodiments, the ink composition comprises: genipin present in an amount of about 10% to about 20% w/w of the composition; a solvent present in an amount of about 65% to about 80% w/w of the composition; and one or more of a thickening agent, humectant, and film-forming agent present in an amount of 0.01% to about 10% w/w of the composition. In some embodiments, the composition further includes a preservative.