Amazon has the Softsoap Hypoallergenic Liquid Hand Soap Refill for Sensitive Skin, 32 fl. oz. Bottle (Gently Coconut or Gently Lavender) for $2.98 with free shipping on $25+ or with Prime.

Walmart has it (Gently Coconut and Gently Lavender) for the same price with free store/curbside pickup.