Antioxidant

Simmondsia Chinensis (Jojoba) Seed Oil

INCI: Jojoba Oil

Reviewed by Emma · Last updated 14 Aug 2026

Also known as: Simmondsia Chinensis, Simmondsia Chinensis Seed Oil

Gold standard plant oil for all skin types

Addresses

dryness, oiliness, sensitivity, dehydration

What Is Simmondsia Chinensis (Jojoba) Seed Oil?

Simmondsia Chinensis Seed Oil, commonly known as Jojoba Oil, is a liquid wax extracted from jojoba seeds. Its unique composition closely resembles human sebum, making it one of the most versatile and well-tolerated plant oils in skincare.

Unlike most plant oils, jojoba is a wax ester that doesn't go rancid and provides exceptional stability. It helps balance oil production, making it suitable for both dry and oily skin types.

How It Works

Jojoba oil's mechanism relies on its chemical composition. The long-chain wax esters penetrate and condition the skin without clogging pores in the way heavier triglyceride oils might. Because these esters are structurally similar to skin's natural lipid barrier, the skin recognises them readily and incorporates them effectively into the stratum corneum (the outermost layer).

Research in human skin models suggests jojoba oil may also stimulate the synthesis of pro-collagen III and hyaluronic acid—compounds involved in skin firmness and hydration. Additionally, its antioxidant and anti-inflammatory compounds may help modulate inflammatory responses within the skin.

Clinical Evidence & References

  • Energy Conversion and Management, December 2016, pages 293-304 View Study
  • Polymers, May 2021, pages 1–22 View Study
  • American Journal of Clinical Dermatology, February 2018, pages 103–117 View Study
  • Journal of Italian Dermatology and Venereology, December 2013, pages 687-691 View Study
  • Journal of Cosmetic Dermatology, December 2008, pages 268-274 View Study
  • Journal of Dermatological Science, May 2008, pages 135-142 View Study
  • Pharmacological Research, February 2005, pages 95-105 View Study

How to Use

Jojoba oil can be used neat as a facial oil or incorporated into serums, moisturisers, and balms. Apply to clean, slightly damp skin to maximise hydration retention. A small amount goes a long way due to its lightweight nature. It can be layered with other products and is generally suitable for both morning and evening routines. If using as a standalone treatment, start with a few drops and adjust based on your skin's response.

Safety & Precautions

Jojoba oil is generally well-tolerated and rarely causes irritation. However, those with sensitivity to nuts or seeds should check product sourcing. Because of its structure, jojoba oil is unlikely to feed fungal acne (malassezia), though individual tolerance varies; patch test if you are acne-prone.

Frequently Asked Questions

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Other forms of Simmondsia Chinensis (Jojoba) Seed Oil

These appear on ingredients lists under different names but are the same substance. Simmondsia Chinensis (Jojoba) Seed Oil is the common form.

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