castile bar soap by kirk’s | natural soap for men, women & children| premium coconut oil | sensitive skin formula, vegan | original fresh scent | 4 oz. bars - 6 pack kirk's our all-vegetable-based bar soap, with 100% premium coconut oil, creates a gentle & creamy lather even in hard water, leaving skin feeling soft and healthy. clinically-tested safe for sensitive skin and certified hypoallergenic.