What's the main difference between Black Seed (Kalonji) Oil and Castor Oil?
Kalonji nourishes the scalp with thymoquinone; Castor's ricinoleic acid strengthens follicles. Many users combine: kalonji 2x/week, castor 1x/week.
Who should choose Black Seed (Kalonji) Oil?
Scalp health, dandruff, premature greying.
Who should choose Castor Oil?
Visible hair fall, weak follicles, eyelash density.
Can I use Black Seed (Kalonji) Oil and Castor Oil together?
Yes — many users layer or alternate them. Try one for a week, then add the other on alternate days.
Are both single-ingredient and lab-tested?
Yes — every Brewoil bottle is exactly one oil with NABL-accredited lab COA per batch. No blends, no fillers.