Sodium Borate
Sodium borate, also known as borax, is a mineral compound used in cosmetics as a buffering agent, emulsifier, and preservative. It helps to stabilize the pH of products and can contribute to their texture. Its use is restricted in some regions due to potential concerns.
Buffering agentVegan
RiskHigh 2.5 / 4
Reproductive i2.5 / 4
Whether there are known or plausible concerns for pregnancy, fertility, fetal development, or breastfeeding.
Systemic exposure i2 / 4
Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
- Potential reproductive toxicity at high exposure levels
- Restricted in some regions due to safety concerns
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Frequently asked questions
- What is sodium borate's role in cosmetic formulations?
- Sodium borate primarily functions as a buffering agent, helping to maintain the desired pH level of a cosmetic product. It can also act as an emulsifier, helping to blend oil and water components, and has mild preservative properties.
- Are there safety concerns with sodium borate?
- Yes, sodium borate has been identified as a substance of very high concern in some regulatory frameworks due to potential reproductive toxicity, particularly with high or prolonged exposure. Its use in cosmetics is restricted or prohibited in certain regions.
