Question
Asked 19 June 2017
  • Spa Isha Aromatherapy

Jojoba oil is considered to be good for oily skin as it mimicks sebum so your skin would produce less sebum. Does that make it "bad" for dry skin?

Is there any research or evidence available that relates to the effect of Jojoba oil on the skin?
Currently Jojoba oil is recommended for treating oily skin types as it mimicks sebum and therefore encourages the skin to produce less sebum.
Is this not bad for dry skin which presumably needs more sebum so requires oils that encourages sebum?
Thanks

Most recent answer

Harry Barton Essel
Kwame Nkrumah University of Science and Technology
A jojoba oil benefit is that it plays the role of sebum and moisturizes our skin and hair when our body stops doing it naturally. On the other hand, too much sebum, which happens during puberty or when hormone levels are high, can result in oilyskin and acne.

All Answers (4)

Mary C R Wilson
Independent Researcher
Hello Kalpna,
What an interesting question. I'm no expert and will be interested in the answers of other ResearchGate members, but I think that sebum production is more hormone regulated (dihydrotestosterone - DHT).
This website gives a simplistic view of  this:
Search for DHT.
. . . and this paper gives greater detail - again search for DHT:
Makrantonaki, E., Ganceviciene, R., & Zouboulis, C. C. (2011). An update on the role of the sebaceous gland in the pathogenesis of acne. Dermato-endocrinology, 3(1), 41-49.
See Jojoba on p.991 in this paper:
Aburjai, T., & Natsheh, F. M. (2003). Plants used in cosmetics. Phytotherapy research, 17(9), 987-1000.
This mentions its function as a humectant and its ability to form a protective film.
So I don't think this gives a biofeedback effect to reduce sebum production, but I might be wrong, and would be really interested to find out.
As Aburjai and Natsheh are ResearchGate members, perhaps you could ask them through RG?
Very best wishes,
Mary 
1 Recommendation
Kalpna Kotecha
Spa Isha Aromatherapy
Hi Mary 
Thank you so much for your informative reply. I will read the attachments with interest. Yes it will be very interesting to see if anyone had done any studies to demonstrate if skincare creams and emollients can give a bio-feedback mechanism to increase / reduce sebum.
Best wishes, Kalpna 
Elham Rajabi
Independent Researcher
Jojoba oil can be good for dry skin used on its own as a natural skincare product or added to your normal cream. Jojoba oil’s moisturizing, healing and anti microbial benefits for skin make it a valuable natural oil for both oily and dry skin.
1 Recommendation
Harry Barton Essel
Kwame Nkrumah University of Science and Technology
A jojoba oil benefit is that it plays the role of sebum and moisturizes our skin and hair when our body stops doing it naturally. On the other hand, too much sebum, which happens during puberty or when hormone levels are high, can result in oilyskin and acne.

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Which molecules link skin whitening with anti-aging?
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  • Alexander OhnemusAlexander Ohnemus
Apparently the lack of tyrosinase:
Ming-Xiang Li, Jing Xie, Xue Bai, Zhi-Zhi Du,
Anti-aging potential, anti-tyrosinase and antibacterial activities of extracts and compounds isolated from Rosa chinensis cv. ‘JinBian’,
Industrial Crops and Products,
Volume 159,
2021,
113059,
ISSN 0926-6690,
Abstract: Rosa chinensis cv. ‘JinBian’, a cultivar of Rosa chinensis Jacq., is one of major raw material of rose tea and possesses sufficient plant resources in China. However, the studies on the chemical constituents and cosmetic activities of R. chinensis cv. ‘JinBian’ are almost blank. The main purpose of this study was to evaluate the anti-aging, skin-whitening, and antibacterial potentials of extracts and chemical constituents of the flower by 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, elastase inhibition, anti-tyrosinase, and antibacterial assays. Bioassay results suggested both 95 % and 65 % ethanol extracts possessed significant antioxidant, elastase inhibition, and anti-tyrosinase activities. The combined active extract was studied with bioassay-guided fractionation to give a new compound, kaempferol 3-O-α-l-rhamnopyranosyl (1→6)-(2”,3”-O-digalloyl)-β-d-glucopyranoside (1) and fourteen known compounds (2–15). All compounds were firstly isolated from this species and subjected to the above mentioned bioassays. Ten compounds exhibited antioxidant activities with DPPH radical scavenging rate from 63.40 %–94.04 % under the concentration of 100 μg/mL. The antioxidant activities of 1, 2-phenylethyl 1-O-β-d-(6'-O-galloyl)-glucopyranoside (12), vomifoliol (14), and 4, 4'-dimethoxy-3'-hydroxy-7, 9': 7', 9-diepoxylignan-3-O-β-d-glucopyranoside (15) were firstly found with DPPH radical scavenging rate of 83.24 %, 91.10 %, 63.40 %, and 77.75 %, respectively. The moderate elastase inhibitory activities of 12, ethyl gallate (13), and 15 were firstly found with the inhibitory rate of 43.69 %, 43.25 %, and 35.34 % at the concentration of 100 μg/mL. Multiflorin B (3), 12, and 13 showed strong tyrosinase inhibitory activities with the inhibition rate at 43.83 %–55.80 %, comparing with the positive control, α-arbutin (22.15 %). In addition, 1 showed significant antibacterial activity against Staphylococcus aureus with the MIC50 of 8.51 ± 0.26 μg/mL. Compounds 2–4 and 12–14 showed moderate antibacterial activities against S. aureus. Compounds 6 and 13 also exhibited moderate inhibitory effects against Klebsiella pneumoniae. Above results manifested that R. chinensis cv. ‘JinBian’ possessed potential application values in the development of natural anti-aging, skin-whitening and antibacterial products.
Keywords: Rosa chinensis cv. ‘JinBian’; Antioxidant; Elastase inhibitory activity; Tyrosinase inhibitory activity; Antibacterial activity; Cosmetic potential

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