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Writer's pictureLuke Wang

Skincare Ingredient Awareness: Ingredients to Avoid for Peanut and Soy-Sensitive Individuals



If you have a peanut or soybean allergy, choosing skincare products can be tricky. Many common natural ingredients in skincare come from these two plants. To avoid an allergic reaction, it's crucial to understand which ingredients are derived from soybeans or peanuts.


Here are 10 common and popular skincare ingredients that may be related to soybeans or peanuts, helping you make informed choices when buying products:


1. Soybean Oil (Glycine Soja (Soybean) Oil):

  • Source: Soybeans

  • Function: A natural oil rich in unsaturated fatty acids, it moisturizes and nourishes the skin. It helps lock in moisture, keeping skin soft and smooth, and has antioxidant properties to delay aging.

  • Caution: Avoid products containing this ingredient if you have a soybean allergy.

  • Example products: Cl**ique Double Serum

    (YHKCare does not use)


2. Hydrolyzed Soy Protein:

  • Source: Soybeans

  • Function: Moisturizes and repairs the skin barrier, often used in creams, lotions, and masks to enhance skin elasticity and moisture content.

  • Caution: Avoid products containing this ingredient if you have a soybean allergy.

  • Example products: L* M*r The Hydrating Infused Emulsion

    (YHKCare does not use)


3. Resveratrol:

  • Source: Grape skin, Japanese knotweed, peanuts, etc.

  • Function: A powerful antioxidant with anti-inflammatory, anti-aging, and cardiovascular protective effects. It helps reduce free radicals, alleviate oxidative stress, and promote cell health. In skincare, it's used for anti-aging and brightening due to its ability to reduce fine lines and wrinkles, brighten skin tone, and improve texture.

  • Caution: While not directly from soybeans, be cautious if you have allergies to specific plants. Resveratrol is also unstable in skincare and may require special packaging or stabilizers.

  • Example products: Est*e L*uder Perfectionist Pro Rapid Brightening Treatment with Ferment³ + Vitamin C

    (YHKCare does not use)


4. Lactobacillus/Soybean Ferment Extract:

  • Source: Fermented soybean product

  • Function: Rich in beneficial metabolites like amino acids, peptides, organic acids, and enzymes. It moisturizes, has antioxidant and anti-inflammatory properties, repairs the skin barrier, promotes collagen production, and improves skin elasticity and radiance. Fermentation also enhances its bioavailability. It has antibacterial and anti-inflammatory properties for healthy skin.

  • Caution: Avoid products containing this ingredient if you have a soybean allergy.

  • Example products: Lan**me ABSOLUE L'EXTRAIT THE ELIXIR CREAM - REFILLABLE

    (YHKCare does not use)


5. Glycerin:

  • Source: Soybean oil or other plant oils

  • Function: A common humectant that attracts moisture from the air, keeping skin hydrated and soft.

  • Caution: While glycerin can come from various sources, some skincare glycerin may be derived from soybean oil. Choose products labeled "non-soybean derived" if you have a soybean allergy.

  • Example products: Most moisturizing skincare products contain glycerin.

    (YHKCare uses palm-derived glycerin instead of soybean-derived glycerin)


6. Squalane:

  • Source: Soybean oil or other plant oils

  • Function: A lightweight oil that moisturizes and nourishes the skin, often used in creams, serums, and lip balms to lock in moisture and prevent dryness.

  • Caution: While squalane can also be extracted from olive oil, sweet almond oil, etc., some products may use soybean oil. Choose products labeled "non-soybean derived" if you have a soybean allergy.

  • Example products: Ori**ns Mega-Mushroom Relief & Resilience Fortifying Emulsion

    (YHKCare uses camellia squalane instead of soybean-derived squalane)


7. Sodium Hyaluronate:

  • Source: Soybean fermentation product

  • Function: A highly effective humectant that can hold thousands of times its weight in water, helping skin stay hydrated and elastic.

  • Caution: While not a soybean extract, some brands may use soybean fermentation to produce sodium hyaluronate. Choose products labeled "non-soybean fermented" if you have a soybean allergy.

  • Example products: Skin**uticals A.G.E. Interrupter Advanced For Ageing

    (YHKCare uses biosynthetic Sodium Hyaluronate instead of plant-derived Sodium Hyaluronate, eliminating the possibility of soybean exposure)


8. Wild Soybean Seed Extract (Glycine Soja (Soybean) Seed Extract):

  • Source: Soybean seeds

  • Function: Rich in amino acids, proteins, and polysaccharides, it moisturizes and has antioxidant properties. It helps strengthen the skin barrier, promote collagen production, and improve skin elasticity and radiance.

  • Caution: Avoid products containing this ingredient if you have a soybean allergy.

  • Example products: Ori**ns Mega-Mushroom Relief & Resilience Fortifying Emulsion

    (YHKCare does not use)


9. Lecithin:

  • Source: Soybeans

  • Function: A natural emulsifier and moisturizer that helps skincare products penetrate the skin better while providing hydration.

  • Caution: The most common source of lecithin is soybeans. Avoid products containing lecithin if you have a soybean allergy.

  • Example products: Est*e L*uder Advanced Night Repair Serum

    (YHKCare does not use)


10. Peanut Oil:

  • Source: Peanuts

  • Function: A natural oil that moisturizes and nourishes, often used in body care products like massage oils and body lotions.

  • Caution: People with peanut allergies should completely avoid products containing peanut oil, as even trace amounts can trigger severe reactions.

  • Example products: Jurl**ue Moisture Replenishing Day Cream, Olay Collagen Peptide Eye Cream (Contains Arachidyl Alcohol)

    (YHKCare does not use)


How to Avoid Skincare Products Containing Soy or Peanuts:

  • Read ingredient labels carefully: When buying skincare, check the ingredient list to ensure it doesn't contain any of the mentioned soybean or peanut-related ingredients.

  • Choose hypoallergenic products: Some brands offer "hypoallergenic" or "sensitive skin" product lines designed for allergy-prone individuals.

  • Consult brand customer service: If unsure about an ingredient's source, contact the brand's customer service team to inquire about soybean or peanut content.

  • Choose products with simple formulas: Products with fewer ingredients have a lower risk of containing potential allergens.

  • Perform patch tests: Before using a new product, test it on a small area of skin to observe any allergic reactions.


Conclusion:

People with peanut and soybean allergies need to be extra cautious when choosing skincare products. By carefully reading labels, opting for hypoallergenic products, and performing patch tests, you can protect your skin and avoid unnecessary allergic reactions. This guide helps you make informed choices and enjoy a safe skincare routine.

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