Vaseline Hair Tonic & Scalp Conditioner (100ml). Vaseline hair tonic and scalp conditioner 100ml Vaseline Intensive Care Hair Tonic & Scalp Conditioner use daily to replace natural oils in your hair & scalp it leaves your hair easy to comb & with the healthy vaseline shine.. It fights dry hair, dry scalp and loose dandruff. It penetrates scalp openings and replaces natural oils which water can wash away.. Your scalp feels healthier, your hair looks great.