Yes — skincare products, tools, and supplies used on clients are deductible business expenses for estheticians, but products you use on yourself or for personal skincare don't qualify, even if they're the same brand you use in the treatment room. The distinction comes down to who the product is for. Serums, masks, peels, wax, and disposable tools used during client services are ordinary and necessary costs of running your business, so they're fully deductible. A personal skin