Nordihydroguaiaretic Acid
What is Nordihydroguaiaretic Acid?
Nordihydroguaiaretic acid is a lignan antioxidant obtained from the resinous leaves of the creosote bush, Larrea tridentata, a shrub native to arid regions of southwestern North America. This phenolic compound, characterized by its two catechol groups connected via a dimethyltetramethylene chain, excels in trapping free radicals. In cosmetics, it functions mainly as a stabilizer in emulsions, ointments, and lip products rich in polyunsaturated fats or fragrances. By interrupting chain reactions of lipid peroxidation and chelating pro-oxidant metals, it preserves formula freshness, averts off-odors, and upholds color stability over time. Its role ensures reliable performance in oil-containing items, drawing from its potent reducing properties established in formulation science.
Roles in Formulation
This ingredient serves the following purposes in cosmetic formulations:
Benefits
Stabilizes oils and fats in products to extend shelf life
Prevents degradation of fragrances and colors
Bolsters skin protection from environmental oxidative factors
Who It's For
A quick guide for who this ingredient may suit (and who should be cautious).
| Who May Benefit | Who Should Avoid |
|---|---|
| Users of oil-based moisturizers and balms | People with allergies to creosote bush extracts |
| Individuals with antioxidant-focused routines | Individuals sensitive to phenolic lignans |
| Those preferring plant-sourced stabilizers | Those prone to contact reactions from botanicals |
Safety Notes
- Low hazard rating from environmental health assessments
- Approved for use in cosmetics by ingredient safety panels
Frequently Asked Questions about Nordihydroguaiaretic Acid
What is nordihydroguaiaretic acid sourced from?
It comes from the resin of creosote bush, Larrea tridentata.
How does it function in skincare products?
It neutralizes free radicals to prevent oil rancidity and ingredient breakdown.
Is it suitable for most skin types?
Yes, with low comedogenic and irritation potential per assessments.