Duo Refill Sets Home / Duo Refill Sets Duo Conditioner Shop Duo Conditioner refill $39.00 or 4 payments of $9.75 with Afterpay Select options Duo Body Lotion Shop Duo Body Lotion refill $39.00 or 4 payments of $9.75 with Afterpay Select options Duo Bath Salt Shop Duo Bath Salt refill $39.00 or 4 payments of $9.75 with Afterpay Select options Duo Body Wash Shop Duo Body Wash refill $39.00 or 4 payments of $9.75 with Afterpay Select options Duo Shampoo Shop Duo Shampoo refill $39.00 or 4 payments of $9.75 with Afterpay Select options