Hair treatment products are provided in the form of two-phase systems with two separate, visually discernible continuous phases with a common vertical phase boundary, containing one water phase (I) and one oil phase (II),wherein the oil phase (II) contains at least about 10% by weight of at least one linear C9-C15 alkane a) relative to the total weight thereof, andwherein the water phase (I) contains at least about 75% by weight water relative to the total weight thereof. The hair treatment products are particularly suitable for improvingthe feel, particularly of dry hairthe styling properties of hairthe smoothness and softness of hair (anti-frizz).