Jojoba oil isn't your typical oil. In fact, it's a liquid wax, derived from the seeds of the jojoba plant (Simmondsia chinensis), a shrub native to southwestern United States and northern Mexico (Pazyar et al., 2013). Renowned in the skincare realm, jojoba oil's composition closely mirrors that of the sebum our skin naturally produces, making it an optimal ingredient in a variety of skincare formulations.
Active Constituents of Jojoba Oil
Jojoba oil's skin-nourishing properties can be traced back to its bioactive components. Here's how they work:
Vitamin E: Acting as a powerful antioxidant, Vitamin E is involved in combating the onslaught of free radicals that cause oxidative stress in the skin. It plays a vital role in maintaining healthy skin by protecting cellular structures from damage (Miranda et al., 2013).
Omega-9 fatty acids: Omega-9 fatty acids, also known as oleic acid, fortify the skin's barrier function, minimising moisture loss, and enhancing skin hydration (Lin et al., 2017).
Wax esters: The backbone of jojoba oil, wax esters are structurally similar to human sebum. This similarity allows jojoba oil to be readily absorbed, nourishing the skin while regulating sebum production — a key factor in maintaining a balanced skin ecosystem (Pazyar et al., 2013).
Extraction Process: Unveiling Pure Jojoba Oil
The journey from jojoba seed to the oil we see in skincare products is a meticulous process. First, the seeds undergo thorough cleaning to remove any debris. They're then cold-pressed to yield the precious oil, preserving the bioactive components and ensuring the oil retains its maximum therapeutic properties. The final step involves filtering the oil to remove any impurities.
Integrating Jojoba Oil in Skincare
Jojoba oil's versatility extends to its incorporation in a variety of skincare products:
Moisturisers: The unique composition of jojoba oil makes it a powerful moisturiser. It's easily absorbed, leaving no oily residue, and its hydrating properties can help balance oil production (Pazyar et al., 2013).
Cleansers: Jojoba oil's fatty acid profile allows it to dissolve dirt, makeup, and impurities gently. It's a non-irritant, making it suitable for all skin types (Pazyar et al., 2013).
Serums: Incorporating jojoba oil into serums can enhance skin texture and appearance. Its antioxidant properties contribute to the reduction of fine lines and wrinkles (Lin et al., 2017).
Sunscreen: When added to sunscreens, jojoba oil provides additional skin protection. Its soothing properties can also help calm and hydrate the skin after sun exposure (Lee et al., 2011).
Benefits of Jojoba Oil: The Science Behind the Magic
Jojoba oil's impressive repertoire of skincare benefits includes:
Hydration: Jojoba oil's remarkable hydration capabilities stem from its ability to improve the skin's barrier function and regulate oil production (Pazyar et al., 2013).
Anti-inflammatory: Jojoba oil has been scientifically proven to possess anti-inflammatory properties, potentially reducing skin redness and irritation (Lee et al., 2011).
Anti-aging: The antioxidant-rich composition of jojoba oil aids in combating the oxidative stress that contributes to the aging process, potentially reducing the appearance of fine lines and wrinkles (Lin et al., 2017).
Non-comedogenic: Being non-comedogenic, jojoba oil does not clog pores, reducing the likelihood of acne breakouts (Meier et al., 2012).
Soothing: Its calming properties make jojoba oil a soothing remedy, particularly beneficial for those with sensitive skin (Lee et al., 2011).
Jojoba oil stands as a versatile, beneficial ingredient in functional skincare. From moisturisers to sunscreen, its inclusion proves advantageous for any skin type. Its benefits span hydration, anti-inflammatory properties, anti-aging benefits, and beyond. Diving deeper into the science of jojoba oil reveals its true potential in improving skin health and radiance.
Lee, M. Y., Shin, I. S., Seo, C. S., et al. (2011). Anti-inflammatory effects of Simmondsia chinensis seed oil on phorbol ester-induced inflammation in mouse skin. Food Chem Toxicol, 49(8), 1772-1778. https://doi.org/10.1016/j.fct.2011.04.045.
Lin, T. K., Zhong, L., & Santiago, J. L. (2017). Anti-Inflammatory and Skin Barrier Repair Effects of Topical Application of Some Plant Oils. Int J Mol Sci, 19(1), 70. https://doi.org/10.3390/ijms19010070.
Meier, L., Stange, R., Michalsen, A., & Uehleke, B. (2012). Clay jojoba oil facial mask for lesioned skin and mild acne--results of a prospective, observational pilot study. Forsch Komplementmed, 19(2), 75-79. https://doi.org/10.1159/000337026.
Miranda, M., Binic, I., Golijanin, D., et al. (2013). Moisturisers for the treatment of atopic dermatitis. Am J Clin Dermatol, 14(2), 131-137. https://doi.org/10.1007/s40257-013-0014-5.
Pazyar, N., Yaghoobi, R., Ghassemi, M. R., Kazerouni, A., Rafeie, E., & Jamshydian, N. (2013). Jojoba in dermatology: a succinct review. G Ital Dermatol Venereol, 148(5), 687-691. PMID: 24077212.