rosemary castor oil

They’re sold as lightweight serums and oils as well as thicker whipped or butter-style creams. Expect both fast-absorbing liquid serums/oils and richer cream or butter formulations for heavier conditioning.

Most products are marketed for all hair types, with some specifically noting suitability for textured or natural hair.

Common companions include jojoba, coconut, biotin and vitamin E, plus plant oils such as soybean, olive and safflower, and extracts like lavender, phytosterols, ceramides and saw palmetto.

Applications include direct scalp application with a dropper for pre-wash treatments, massaging in and leaving on for 30 minutes or overnight, and using a few drops warmed in the palms to apply to towel-dried hair or to ends.

Many list a rosemary or earthy herbal scent, often described as calming or pleasantly aromatic.

Many reviewers report improvements in hair softness, perceived thickness and growth with short-term use; several also note a pleasant scent and good value. (Individual results vary.)