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2-Bromo-2-Nitropropane-1, 3-Diol

What 2-Bromo-2-Nitropropane-1, 3-Diol is & what it does

2-Bromo-2-Nitropropane-1,3-Diol, also known as bronopol, is a synthetic compound used as a preservative in cosmetic and personal-care products. In a sunscreen or lotion its role is to protect the formula against bacterial growth so the product stays stable over its shelf life. It is typically used at very low concentrations.

What does 2-Bromo-2-Nitropropane-1,3-Diol do in skincare?

2-Bromo-2-Nitropropane-1,3-Diol, also known as bronopol, is used as a preservative in cosmetic and personal-care products. Its role is to stop bacteria from growing in water-based formulas so a product stays stable over its shelf life. It is typically used at very low concentrations.

Is 2-Bromo-2-Nitropropane-1,3-Diol safe?

2-Bromo-2-Nitropropane-1,3-Diol is permitted as a preservative within regulated concentration limits in cosmetics. It can be a skin sensitizer for some people, and there are formulation guidelines aimed at limiting certain reaction products. Those with sensitive skin or preservative allergies may prefer to avoid it or consult a professional.

Is 2-Bromo-2-Nitropropane-1,3-Diol natural or synthetic?

2-Bromo-2-Nitropropane-1,3-Diol is a synthetic compound made specifically for use as a preservative. It does not occur naturally in the form used in cosmetics. It is added in small, regulated amounts to protect formulas from microbial growth.

Sunscreens with 2-Bromo-2-Nitropropane-1, 3-Diol

We rate 20 sunscreens that contain it, showing the top 10 by overall score:

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