Myrtrimonium Bromide
Myrtrimonium Bromide is a synthetic quaternary ammonium compound. It is primarily used in cosmetic formulations for its antimicrobial properties, helping to prevent the growth of bacteria and other microorganisms in the product. This ingredient also functions as a conditioning agent, particularly in hair care products.
NoneAntimicrobial agentVeganEvidence: Medium
RiskModerate 1.8 / 4
Sensitization i1.5 / 4
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Irritation i1.5 / 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.
What it helps with
- inhibits microbial growth
- conditions hair
Things to watch
- potential for irritation
- sensitization risk
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Frequently asked questions
- What is Myrtrimonium Bromide used for in cosmetics?
- Myrtrimonium Bromide is primarily used as an antimicrobial agent to preserve cosmetic products and prevent bacterial growth. It can also act as a hair conditioning agent.
- Is Myrtrimonium Bromide safe for sensitive skin?
- Individuals with sensitive skin may experience irritation or sensitization from Myrtrimonium Bromide, especially at higher concentrations. Patch testing is recommended.
