Carrashield Labs manufactures Divine 9 water-based lube with extracts of carrageenan, naturally produced from sea algae, and no parabens or glycerines to produce a sensational lube. Their Carrashield carrageenan blend is undergoing studies at multiple universities to test its capabilities of preventing the spread of HPV. Studies of ingredients suggest that may be the case, and in the process, the lube feels great!