Black Seed Oil: The Complete Guide

What it is

Black seed oil is pressed from the small, jet-black seeds of Nigella sativa, a plant with a pretty pale flower, also called black cumin or black caraway. Ours is cold-pressed and unrefined. We never deodorize or perfume it, so it smells strongly of the seed, and that earthy scent is part of what makes it so prized.

On skin it is a comforting, balancing oil for complexions that run oily, break out easily or look red and stressed.

Where it comes from

Our black seed grows on small farms south of Aswan in Upper Egypt, along the Nile. The seeds are cold-pressed by Amr, our oil maker, and his team, and bottled in hand-blown glass. Black seed has been treasured in Egypt for thousands of years; seeds were found in the tomb of Tutankhamun.

Katari founder Kate holding Katari black seed oil in King Tut's tomb

How to use it

  1. Start damp and warm. After cleansing, mist Géran or splash warm water. Black seed absorbs best on warm, slightly wet skin.
  2. Press in 2-3 drops. Press into face, focusing on oily or blemish-prone areas. Mix with Hoba if you want a softer scent.
  3. Spot care. Dab a drop on a blemish at night.
  4. Rotate when skin is calm. Many customers use Black Seed daily while skin is having a moment, then switch to Hoba or Rubi for everyday care.

Beyond the face

  • Scalp. Massage into the roots before washing to comfort a dry, itchy-feeling scalp.
  • Body. On back and shoulders that tend to break out, and on rough, dry patches.

The chemistry

Black seed oil is rich in linoleic acid and carries thymoquinone, the aromatic compound behind its distinctive scent and much of its reputation. It also contains a fatty acid that is rare in plant oils, eicosadienoic acid.

Component Typical range Why it matters
Linoleic acid (omega-6) About 50-60% Supports a healthy-looking barrier; often low in oily, blemish-prone skin
Oleic acid (omega-9) About 20-25% Softens and helps skin hold moisture
Palmitic acid About 12% Adds richness
Eicosadienoic acid About 2-3% A rare fatty acid that sets black seed apart
Thymoquinone Present Antioxidant and the source of the earthy scent

Typical values for cold-pressed Nigella sativa seed oil from published analyses. Values vary by harvest.

Who it's for

  • Oily, combination and blemish-prone skin, at any age.
  • Skin that looks red, stressed or reactive.
  • Dry, itchy-feeling scalps.
  • Anyone who likes a powerful, no-nonsense oil and doesn't mind an earthy scent.

For professionals

Black seed is a natural finishing oil in clarifying facials and a strong take-home recommendation for clients with oily or blemish-prone skin. Pair it with Géran and a weekly Argil masque.

Storage and shelf life

Black Seed Oil has a 2-year shelf life. Keep the cork closed and the bottle out of direct sun and bathroom steam. For the freshest oil, we suggest enjoying it within 3-6 months of receiving it.

Safety

Black seed oil is potent. Patch test first, and start with a drop or two. Our oil is made for skin, not as a food supplement, so please don't swallow it. Keep it away from children.

For external use only. Patch test any new product: apply a little to your inner forearm once a day for two days. If you notice redness, itching or swelling, rinse with cool water and stop using it. Keep out of reach of children. If you are pregnant, nursing or under a doctor's care, check with your doctor first.

Questions

Can Black Seed help with breakouts?

It is one of the oldest favorites for troubled skin. It calms the look of blemishes and redness and helps balance oily skin, without anything harsh.

Is it right for my skin type?

It is best for oily, breakout-prone or stressed skin, and most skin types can use it. Patch test first. Once skin is calm, switch to Hoba or Rubi for daily care.

Why does it smell so strong?

That is the seed. We never deodorize or perfume it, because the compounds that give black seed its scent are part of what makes it special.

99.5% NATURAL. 100% YOU.