Soybean Oil: The Plant-Based Secret to Naturally Regenerating Skin and Hair
Rich in antioxidants, essential fatty acids, and phytoactive compounds, soybean oil is packed with benefits for the skin and hair. Still relatively unknown to the general public, this multifunctional ingredient with surprising properties deserves a place of honor in any natural skincare routine.
What is soybean oil?
Derived from the ripe beans of the plant Glycine max, A legume native to Asia, this oil is obtained by first cold pressing, which preserves its most fragile active ingredients. Pale yellow in color, it is not greasy to the touch and is quickly absorbed by the skin. It has a low comedogenic rating (0 to 2), making it suitable for many skin types.
Biochemical composition :
- Essential fatty acids: omega-3 and omega-6
- Monounsaturated fatty acids: oleic
- Vitamins E and K
- Lecithin, phytosterols
- Isoflavones
- Minerals and amino acids
Dermatological properties
1. A powerful antioxidant against skin aging
Thanks to its high content of vitamin E and in isoflavones, Soybean oil actively combats oxidative stress, which is responsible for premature aging. These antioxidants help neutralize free radicals, preserve the integrity of skin cells, and stimulate collagen and elastin production.
2. Deep hydration and nourishment
Rich in acids essential fats, This oil helps strengthen the skin's hydrolipidic barrier, limiting insensible water loss (IWL). It is therefore ideal for dry, sensitive, mature, or atopic skin.
3. Brightening action against pigmentation spots
Soybean oil works by inhibiting the receptor. PAR-2, involved in the transfer of melanin. This mechanism helps prevent or reduce brown spots and pigmentation irregularities.
4. Repairing and soothing effect
Its anti-inflammatory action makes it an ally in soothing redness, irritation, or skin discomfort, particularly in cases of damage caused by wind or certain cosmetic products.
Hair benefits
Used in masks, hair oils, and conditioners, soybean oil offers an effective solution for dry, brittle, or damaged hair. It promotes water retention, smooths the hair fiber, and restores shine and suppleness to the lengths.
What types of skincare products contain soybean oil?
- Facial care : anti-aging serums, moisturizers, toners, eye contour care, exfoliators.
- Body care : nourishing milks, repairing balms, massage or shower oils.
- Hair care : masks, nourishing shampoos, protective oils.
- Hygiene and makeup : cold-processed soaps, lip balms, foundations, mascaras.
Precautions for use: what you need to know
Well tolerated by most skin types, soybean oil may nevertheless require a skin test beforehand, particularly for people who are allergic to soy in food.
As a precautionary measure, soybean oil is not recommended for pregnant women, nursing mothers, and young children due to its low isoflavone content, which is suspected of disrupting hormonal balance.
Although it remains mildly comedogenic, those with oily or acne-prone skin may prefer alternatives such as hazelnut or jojoba oil, which are less likely to clog pores.
