August 15, 2022

    Halloween is over, should I throw out my pumpkin?

    Halloween is over, should I throw out my pumpkin?

    Should I throw out my pumpkin?

    Here at Private label Skincare Florida we have found a great use for that left-over pumpkin, aside from a pie for thanksgiving, or a delicious pumpkin soup, this wonderful gourd does amazing things for your skin! 

    Pumpkins are indigenous to the Western hemisphere and have been grown in North America for 5,000 years. In 1584, French explorer Jacques Cartier reported finding Gros melons, which translated in English as pompons, which eventually became pumpkin.

    Pumpkin is widely used as food and in traditional Chinese and Ayurvedic folk medicine as an anti-inflammatory, an antiviral agent, an analgesic, for urinary disorders, to treat ulcers, and as an anti-diabetic and antioxidant. Additional properties reported for both the pulp and seeds include wound healing, tumor growth inhibition, hypoglycemic effects, and immunomo­dulation.

    Active compounds include:

     Antioxidant, anticancer, antimicr­obial, anti-inflammatory, anti-diabetic and anti-ulcer activities—which support the uses described in traditional medicine.

    Proteases also are present in pumpkin. As one cosmetic ingredient explains, “One of the interesting properties of the Cucurbita genus is that when the seeds are mature, the plant begins a rapid self-degradation designed to provide a fertile environment for the seeds to develop.” This is common with many plants and is accomplished by proteases—the proteins that break down other proteins.

    In fact, these proteases, also known as proteinases and proteolytic enzymes, digest the bonds in proteins and break them down into peptides and, finally, amino acids. As estheticians are already aware, such topically applied proteases (pumpkin peel, anyone?) can safely digest dead skin proteins without affecting the healthy, living tissue.

    Pumpkin seeds also contain rich unsaturated fatty acids, phytoest­rogens, and vitamin E, which have potential pharmace­utical, nutraceutical and cosmeceutical properties. According to the Indonesian Journal of Cancer Chemopre­vention, the predominant unsaturated fatty acids in pumpkin seeds can play a role in disease prevention and promote health. The phytoestrogen compounds present, secoisol­ariciresinol and laricire­sinol, can prevent hyperlip­idemia and osteoporosis in menopausal women. Also, tocopherols in vitamin E are known for their free radical-scavenging, anti-aging, and antioxidant benefits.

    Photoaging and UV Damage Prevention

    Another study, in Industrial Crops and Products, looked at amaranth and pumpkin seed oil for their potential as nanocarriers to bolster sunscreen filters. According to the authors, natural oils provide antioxidant, nutraceu­tical, anti-aging, anti-inflammatory, antimicrobial and emollient properties.

    More recent research, reported in the European Journal of Pharmace­utical Sciences, combined four U.​S. Food and Drug Administ­ration-approved (FDA-approved) UV filters with melatonin and pumpkin seed oil to produce a broad-spectrum sunscreen cream. According to the authors, the idea was to provide optimum sun protection along with enhanced antioxidant activity. In an animal model, rats were exposed to broad-spectrum UV radiation for 28 days. The test group receiving the sunscreen every day prior to UV radiation showed greater skin thickness and less edema, measured via in vivo antioxidant activities, inflammatory cytokines, collagen content, histopat­hological examination and the expression of specific genes—all of which established the protective activity of the formulation.

    Antioxidant and Antibacterial Benefits

    While the antioxidant activity of pumpkin is reported above, another study expands these benefits to include antibacterial activity. Work published in the International Organization of Scientific Research (IOSR) Journal of Pharmacy determined these activities in a specific Sri Lankan pumpkin variety, Curcurbita maxima; particularly the seeds, skin and leaves. Interest in these components arose from findings that 18-21% of the fruit was being wasted during food processing.

    The methanol and acetone extracts of pumpkin skin, and ethyl acetate extract of pumpkin, seed showed antibacterial activity against Staphylo­coccus aureus. The methanol extract of pumpkin skin and ethyl acetate extract of pumpkin leaves showed activity against Bacillus subtilis.

    Hyperpig­mentation Protection and Soothing Effects

    In addition to preventive effects in the skin, a paper published in the Journal of Cosmetic Dermatology found that a red pumpkin seed extract could affect melanosome transfer. This suggests potential hyperpig­mentation-protection benefits. During the study, treatment of keratinocytes with the extract prior to UVB exposure enhanced their intracellular antioxidant system, activating Nrf2 signaling and therefore suppressing MS transfer stimulated by the ROS generated by UVB.

    Skin-soothing, anti-inflammatory effects have also been attributed to pumpkin. In particular, 3β-hydroxyc­holest-7-en-24-one derived from C. pepo seeds was isolated and evaluated for macrophage activation. The results suggested this triterpene—an isolated steroid—has potential as an anti-inflammatory agent.

    Makeup Removal

    Finally, as noted, pumpkin seed oil holds high amounts of fatty acid constituents and tocopherols. As such, work presented in the Journal of Surfactants and Detergents explored the makeup removal efficacy of pumpkin seed oil using UV/vis spectroscopy. A stable makeup remover was formulated using 5-15% pumpkin seed oil; results indicated the addition of the pumpkin seed oil significantly enhanced the ability of the formula to remove a foundation. Specifically, the oil removed 79.92%, 41.02% and 23.54% of a foundation and liquid and pen eyeliners, respectively. The pumpkin seed oil remover performed better overall than the benchmark while also ensuring skin hydration.

    In the Spa

    It should come as no surprise that the spa industry loves pumpkin, especially when it comes to seasonal treatments and gentle exfoliation.

    The fall brings in a host of pumpkin-laced treatments at the Spa at the Hotel Hershey (Hershey, Pennsylv­ania). In addition to treatments like the Pumpkin Souffle Wrap and the Great Pumpkin Facial, the spa offers the Pumpkin Spice Massage (50/​80 min., M-Th $145/​205, F-Su $155-215) from Oct. 1-Nov. 30, 2019, where a classic Swedish massage is delivered with an organic oil blend of pumpkin seed oil, sesame, jojoba, sunflower and apricot along with nutmeg, orange, clove, cinnamon, ginger, and cardamom essential oils.

    Exfoliation is the main action of pumpkin for the Harvest Facial (50 min., $150) at The Spa at Norwich Inn (Norwich, Connecticut). The facial was designed to repair summer damage with a deep cleaning and a load of antioxidants. After the exfoliation with pumpkin enzymes, a milk and honey mask is applied to replenish skin.

    Blue Point Medical Spa in Las Vegas also offers facial exfoliation with pumpkin as part of its Pumpkin Enzyme Facial. The treatment is recommended for normal to oily skin types. This superficial enzyme peel removes unwanted debris, enhances cellular regeneration and enables better absorption of products.

    For those looking to add pumpkin treatments to your menu not only for fall but for all year long, there are a number of peels and masks on the professional market to fit the bill.

    Sircuit Cosmeceu­ticals uses pumpkin in its Youth Accelerator Pro +20% Pumpkin Enzyme Peel. The peel is formulated with both pumpkin extract and pumpkin ferment for antioxidant and exfoliation benefits, respectively. The product also contains additional exfoliants as well as beta-fructan and albumen for moisturi­zation.

    In Conclusion, we here at Private Label Skincare Florida have found this incredible and novel gourd to be more than an edible, but a wonderful ingredient to lighten, brighten, sustain, and moisturize skin. We are using the pumpkin seed, pumpkin puree, and pumpkin oil in our current product formulations. Call us today to have this added to one of our incredible formulations. 


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