Resveratrol is a polyphenol most commercially extracted from Japanese knotweed root, which naturally contains far more of it than grapes do. The plant stores it as a bound sugar form called polydatin, so manufacturers use enzymes or acid to split that sugar off and release free resveratrol. Its antioxidant action co...
How is it used?
Dissolve it in ethanol or a polyol like propylene glycol or butylene glycol before adding it. Plain water won't work. Add it at cooldown rather than during heat processing, use opaque packaging, and keep your formula's pH below 8.
Forms
Available forms and grades affect how this ingredient behaves and how it should be selected for a formula.
Appearance
Color, texture, and physical characteristics can vary between suppliers and product grades.
Usage rate
Recommended incorporation levels depend on product type, supplier guidance, and the intended result.
Why we use it
Formulators choose this ingredient for specific performance, sensory, and stability benefits.
Strengths and limitations
Its advantages, compatibility considerations, and practical tradeoffs should be weighed during development.
Alternatives and substitutions
Possible replacements depend on the ingredient's role, desired skin feel, and formulation system.
Storage and shelf life
Appropriate storage conditions help protect quality and performance throughout the ingredient's usable life.
Create an account to read the full guide
Sign up free to unlock use levels, substitutions, formulation guidance, and storage advice.