Assertion: deep conditioner | /r/SimilarTo | a hair mask
Facets:
Source sentences:
text: Of the most common are — of course — your traditional post-shampoo hydrator; deep conditioner, which is almost like a hair mask in that it's meant to be left on longer in order to penetrate the strands more deeply; cleansing conditioner (aka co-wash), which acts as a shampoo and conditioner hybrid that simultaneously cleanses and conditions the hair; and leave-in conditioner, a post-shower, no-rinse treatment that nourishes and protects the hair throughout the day.