Does the hemp seed oil in this mask contain THC or CBD, and will it cause any psychoactive effects?

The product name "Cannabis Hair Mask" refers to Cannabis sativa seed oil, commonly called hemp seed oil. This oil is obtained by cold-pressing the seeds of industrial hemp varieties. Seeds do not produce cannabinoids; THC and CBD are synthesized in the flowers and leaves, not in the seeds. The source material for cosmetic-grade hemp seed oil is regulated to contain negligible (effectively zero) cannabinoid content.

In hair care, hemp seed oil is valued for its lipid composition: roughly 75–80% polyunsaturated fatty acids, notably linoleic acid (omega-6) and alpha-linolenic acid (omega-3), plus oleic acid. These fatty acids integrate into the hair's surface lipid layer, improving flexibility and reducing the rough, frizzy feel that comes from a depleted cuticle. There is no systemic absorption through the scalp or hair shaft that could produce psychoactive effects, and the oil will not trigger a drug test.

If you have a known allergy to hemp seed oil or cannabis-family plants, patch-test before full use. Otherwise, treat it like any other botanical oil in a rinse-off mask: apply to lengths, leave for the recommended time, rinse well.