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Glycine Soja Seed Extract

Also-called-like-this: Soybean Extract


When you hear the word Soy, you probably associate it with soy sauce or tofu, not skincare. But as it turns out, the soybean has a bunch of useful active components and soybean extract is an interesting cosmetic ingredient with a wide range of possible effects. 

Its main active components are antioxidant phenolic acids and flavonoids as well as small and large soy proteins. The large proteins give soybean extract nice skin smoothing and softening properties, while the small proteins (soybean trypsin inhibitor (STI) and Bowman-Birk inhibitor (BBI)) are thought to inhibit skin pigmentation and delay hair regrowth.   

Regarding skin pigmentation, the soybean extract works by hindering melanosome transfer, meaning it blocks the melanin pigment from traveling up to the surface of the skin and becoming visible there. This is useful for most pigmentation situations but, if you have melasma, soy is not for you as melasma is estrogen-mediated and soy is a well-known phytoestrogen

The most famous and bioactive flavonoids in soybeans are the isoflavones called genistein and diadzein that have potent antioxidant and anti-inflammatory properties. Genistein is also proven to inhibit UV induced redness in human skin. These isoflavones are also the ones that make soy a phytoestrogen, meaning they have a (weak) estrogenic effect. Topical estrogen is known to decrease skin thinning and collagen loss and soy might be able to do the same, especially during and after menopause when natural estrogen levels run low.  

There is also some promising, but as yet not in-vivo (done on real people), research that soybean extract can stimulate both elastin and collagen synthesis and thus lead to healthier, younger-looking skin. 

Overall, soybean extract is a promising and multi-functional active, a nice addition to most ingredient lists.

Show me some proof

  • Waqas, Muhammad Khurram, et al. "Dermatological and cosmeceutical benefits of Glycine max (soybean) and its active components." Acta Pol Pharm 72.1 (2015): 3-11.
  • Baumann, LESLIE S. "Cosmeceutical critique: soy and its isoflavones." Skin & Allergy News 32 (2001): 17.
  • Zhao, Renbin, et al. "Extracts from Glycine max (soybean) induce elastin synthesis and inhibit elastase activity." Experimental dermatology 18.10 (2009): 883-886.

Products with Glycine Soja Seed Extract

Blithe Vital Treatment Pulp Essence - 8 Nourishing Beans dr. denese Hydroshield Ultra Moisturizing Face Serum Matsuyama Hadauru Moisturizing Infusion Moist Rich Rilastil D-Clar Depigmenting Concentrate In Drops Secret Key Milk Brightening Toner Matsuyama Hadauru Moisturising Cleansing Gel Troiareuke Radiance Ampoule elf Hydrogel Under Eye Mask Bite Beauty French Press Lip Gloss Elizavecca Witch Piggy Hell-Pore Bifida Pure Ample SNP Black Pearl Renew Eye Patch Skinfix Lipid-Boost Jelly Skinfix Lipid-Hyaluronate Serum VENeffect Pore Minimizing Cleanser Elizavecca Witch Piggy Hell Pore Galactomyces Premium Ample Giovanni L.A. Hold Hair Spritz Mediheal Placenta Revital Essential Mask Ex Topix Elite Fortified Moisturizer Avon Anew Power Serum Bioelements Probiotic Anti-Aging Serum Make P:rem Radiance Me. Cleansing Water Oil Soo AE Soy Bomb Water Gel Aveeno Positively Radiant Daily Facial Moisturizer With Broad Spectrum Spf 30 Clean & Clear Advantage Acne Control Moisturizer Primary Raw Doyou Azulene Gel Cream Aveeno Clear Complexion Cream Cleanser With Slicylic Acid Aveeno Clear Complexion Daily Moisturizer Botanic Farm Black Soybean Milk Pudding Sleeping Pack Cezanne Skin Conditioner (Blue) Giovanni Direct Leave In Conditioner The Ordinary Caffeine Solution 5% + Egcg Ole Henriksen Truth Advanced Moisturizing Crème Sonia Roselli Japanese Cleansing Oil VENeffect Micro-Exfoliant Beauty Pie Super Retinol Ceramide-Boost Anti-Aging Face Serum Cezanne Skin Conditioner High Moist Clinique Acne Solutions™ Acne + Line Correcting Serum Murad Outsmart Acne Clarifying Treatment Nia 24 Sun Damage Prevention Uva/Uvb Sunscreen Spf 30 Pa+++ The Face Shop Dr.Belmeur Clarifying Moisturizer iUnik Black Snail Restore Serum pharmatheiss Volume Lip Booster Beauty Pie Super Retinol (+ Vitamin C) Night Renewal Moisturizer SANA Namerakahonpo Wrinkle Eye Cream Sweet Chef Ginger Kombucha + Vitamin D Chill Mist USANA Celavive™ Replenishing Night Gel Kate Somerville Restor8 Serum Secret Key Snail Repairing Emulsion Paula's Choice Calm Redness Relief Repairing Serum AmorePacific Moisture Bound Sleeping Recovery Mask