black seed oil hair oil: Thymoquinone, PGD2 Inhibition, and Why CO₂ Extraction Delivers 3× More Active Compound

Black seed oil (Nigella Sativa) has 1,400 years of use in hair care. Thymoquinone is its primary active — a potent inhibitor of PGD2, the prostaglandin that suppresses hair follicle cycling. Thymoquinone concentration varies enormously by extraction method.

How Thymoquinone Works for Hair

• Inhibits prostaglandin D2 (PGD2) — elevated in balding scalp. PGD2 binds CRTH2 receptors on follicle epithelial stem cells, preventing anagen entry. Blocking PGD2 allows more follicles to enter anagen.

• Direct 5-alpha reductase inhibitory activity — contributes to DHT suppression.

Why CO₂ Extraction Delivers 3–4× More Thymoquinone

• Standard cold-pressed black seed: 0.3–1.0% thymoquinone

• Supercritical CO₂ extract: 1.5–3.5% thymoquinone — CO₂ at specific pressure/temperature preferentially extracts thymoquinone

• Vihira 360° uses Nigella Sativa Seed CO₂ Extract — highest-thymoquinone form available for topical hair oil

Frequently Asked Questions

How long until I see results?

Most users notice reduced shedding within 2–4 weeks. Visible density and growth improvements take 3–6 months, following the natural hair growth cycle.

Is Vihira 360° greasy or heavy?

No. The ultra-lightweight Caprylic/Capric Triglyceride base absorbs rapidly into the scalp without heavy residue. Designed for Indian scalps and climate.

Is kalonji oil the same as black seed oil?

Yes. Kalonji is the Hindi name for Nigella Sativa. Thymoquinone content varies by extraction method — CO₂ extracted is significantly more concentrated than standard cold-pressed kalonji oil.

Shop Vihira 360° Hair Recovery Oil — Start Your Recovery Today

15 Full-Spectrum bio-actives. 7 biological pathways. Zero synthetic chemicals. Ultra-lightweight formula built for the Indian scalp.

₹599 | Free Shipping Across India | 100ml

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