BHA, or Butylated Hydroxyanisole, is a synthetic antioxidant widely used in cosmetics to prevent oxidation and extend product shelf life. As a phenolic compound, it stabilizes formulations containing oils, fats, and sensitive actives by scavenging free radicals. It is commonly found in lipsticks, foundations, creams, and sunscreens, where it also serves as a masking agent to neutralize odors. Despite some controversy from animal studies at high doses, it remains approved for low-level use in cosmetics, supporting stable, high-quality products.
Products with BHA
With samples available
BeriCos® Retinol-50
by Beri Pharma
- Sustainable option
- Original documents
Antrancine 12 BHA CO
by Jan Dekker
Antrancine 20 CH-P CO
by Jan Dekker
- Sustainable option
What is BHA used for?
- Antioxidant: Protects against rancidity and degradation of oils and vitamins. Essential in lip balms, facial oils, and vitamin-enriched serums for longevity.
- Masking: Conceals unpleasant scents from raw materials. Frequently used in fragranced lotions and makeup bases.
- Preservative support: Enhances stability in emulsions and pigmented products. Common in long-wear lipsticks and protective creams.
Origin
BHA is synthetically produced through the butylation of hydroxyanisole with isobutylene or tert-butyl chloride in the presence of a catalyst like sulfuric acid. The reaction yields a mixture of 2- and 3-tert-butyl isomers, purified to meet cosmetic standards. Derived from petrochemical sources, it is manufactured industrially for consistent purity and efficacy in stabilizing cosmetic formulations.
What does BHA do in a formulation?
ANTIOXIDANT|
MASKING|
PRESERVATIVESafety Profile
BHA is approved for cosmetic use at concentrations up to 0.04% in the EU, with similar limits applied globally. It carries a moderate EWG hazard rating (3-4), based on concerns related to potential endocrine disruption and animal carcinogenicity observed at high oral doses. However, topical use in tiny amounts shows low skin penetration and minimal irritation risk. It is non-sensitizing for most users, but avoided in natural/organic claims. Patch testing is advised. COSING confirms its role as antioxidant without bans.
BHA alternatives
BHA technical profile
| Property | Values |
| Boiling Point | 264°C-270°C |
| Melting Point | 48°C-55°C |
| pH | Neutral |
| Solubility | Soluble in oils, ethanol; insoluble in water |
| Viscosity | Low |