Dr. Woods Pure Peppermint Liquid Castile Soap, 16 Ounce If you are looking for something Gluten Free, for health reasons, family reasons, or you just really enjoy this soap, this liquid soap is the one for you! Dr. Woods Peppermint Castile Soap is available in 2sizes (16 oz &amp;32 oz) so you can pick what is best for you and your family. Sleep better at night knowing that all of Dr. Woods and any of their suppliers do not conduct or commision animal testing on their products. Our vegan soaps are petroleum-free, detergent-free, and free from sulfates, parabens and phthalates.