Soy Extract

Best

Antioxidant

Soy Extract description

A natural, potent antioxidant, restoring, and soothing agent for skin that is derived from soybeans. Soy extract also has research showing it can improve the look of an uneven skin tone and visible signs of ageing due to years of environmental exposure.

Soy Extract references

  • International Journal of Cosmetic Science, April 2013, pages 136-142
  • British Journal of Pharmacology Society, February 2012, pages 994-1,005
  • Journal of Clinical and Aesthetic Dermatology, January 2009, pages 36-40
  • Photochemistry and Photobiology, May-June 2005, pages 581-587
  • Journal of Cosmetic Science, September-October 2004, pages 473-479

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings

Best

Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.

Good

Necessary to improve a formula's texture, stability, or penetration.

Average

Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.

Bad

There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.

Worst

May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.

unknown

We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.

Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.