Sodium Hydroxymethylglycinate
Sodium Hydroxymethylglycinate is a broad-spectrum preservative that helps prevent the growth of bacteria, yeast, and mold in cosmetic products. It works by slowly releasing formaldehyde, which inhibits microbial growth. This ingredient helps to maintain product safety and extend shelf life.
Preservative
RiskHigh 2.8 / 4
Sensitization i3 / 4
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Irritation i2.5 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
- May release formaldehyde
- Potential skin sensitizer
- Possible irritant
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Frequently asked questions
- What is Sodium Hydroxymethylglycinate?
- Sodium Hydroxymethylglycinate is a preservative used in cosmetics and personal care products to prevent microbial contamination and extend product shelf life.
- Does Sodium Hydroxymethylglycinate release formaldehyde?
- Yes, Sodium Hydroxymethylglycinate is a formaldehyde-releasing preservative, meaning it slowly releases small amounts of formaldehyde over time to exert its antimicrobial effect.
