You can also get shampoo shower caps you heat in the microwave for a minute. I've used them with my patients for years and they work really well. Here's a link so you can see one https://www.amazon.com/Shampoo-Nurture-6-Pack-Shampoos-Conditions/dp/B07BKMWX7D/ref=mp_s_a_1_1_sspa?adgrpid=57611384858&gclid=Cj0KCQjw--2aBhD5ARIsALiRlwDze1182YwgZfzMKMwtuBUUtTCwikk1apixnvmBLrc8TmvUXwUZHuwaAkZtEALw_wcB&hvadid=410009915257&hvdev=m&hvlocphy=9010358&hvnetw=g&hvqmt=b&hvrand=7886820946819205646&hvtargid=kwd-342136011991&hydadcr=17298_11240780&keywords=shampoo+caps+for+bedridden&qid=1667020926&qu=eyJxc2MiOiIyLjU0IiwicXNhIjoiMi41OSIsInFzcCI6IjIuNjkifQ%3D%3D&sr=8-1-spons&psc=1&smid=AQW03M605FHTE