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  • Get Soy Smart!

    In recent years, Soy has been marketed for it’s nutritional benefits, but did you know that topical application of Soy can also contribute to healthy skin? Here’s 5 questions and answers to get you Soy-smart.

     

    1. What are some of the benefits of using Soy in skincare products?

    Soy and its derivatives have shown to reduce free radical damage (ROS) and reduce inflammation. It also hydrates the skin by stimulating the production of Hyaluronic Acid and stimulates production of collagen and increases skin thickness, which may be beneficial for postmenopausal women who develop a thinner dermis and decreased collagen. Soy isoflavonoids act as anti-glycation agents (AGEs) to fight collagen cross-linking and inhibits collagen degrading enzymes (matrix-metalloproteinase enzymes also referred to as MMPs). Soy ingredients can also produce a brightening effect for hyperpigmentation.

    2. Are there different types of Soy that are used in skincare products? 

    Yes, Soy has different derivatives that are used in various skincare products.  Soybeans are a rich source of flavonoids called isoflavones, which are phytoestrogens or plant compounds that have a weak estrogenic effect. The most commonly used Soy isoflavonoids is Glycine Soja (Soybean) Protein, Oil or Seed Extract, Hydrolyzed Soy Protein, Lecithin that are rich in amino acids that help to smooth, aid in wound healing, and stimulate elastin and collagen synthesis.

    3. What type of skin treatment is Soy a good ingredient for?

    Soy is primarily used in aging skin treatments that are geared towards stimulating elastin and collagen synthesis, reducing fine lines, wrinkles and UV induced photo-damage. Soy isoflavones have also been used in treatment for hyperpigmentation disorders as they prevent melanin from adhering to skin cells, therefore helping with blotchiness and discoloration.

    However, Soy, which is a phytoestrogen, is NOT recommended for melasma treatment since melasma is somewhat estrogen mediated.

    4. Is there any danger in applying Soy-based products topically on the skin? For example on a client with Soy allergies, hormonal imbalances, etc.

    Most concerns or negative effects associated with soy are consumption based, however, Soy may act as a food allergen (similar to milk, eggs or peanuts). If the client has a Soy allergy, then it’s recommended to avoid products that contain Soy. There has been some consumer concerns between Soy and breast cancer. Studies are still on-going to determine whether these isoflavones spur tumor growth. Ensure client’s check with their physician before proceeding to use or prescribe any Soy-based products.

    5. What other key ingredients work with Soy?

    Soy itself has been suggested to have a variety of effects when used in in skin care products. For maximum results, look for products that have an additional complex of age-fighting ingredients that work synergistically with Soy, such as peptides, White Tea and Licorice.