ECHA Adopts Final Opinion on Skin Sensitizing Substances Restriction Proposal
The European Chemicals Agency’s (ECHA) Committee for Socio-economic Analysis (SEAC) recently adopted its final opinion on a proposal by France and Sweden focused on skin sensitizing chemical restriction. In this blog post, we review the skin sensitization process and discuss the adoption of this opinion.
Skin sensitization is a reaction to a substance (contact allergen), the end result of which is the generation of an inflammatory skin response. This process involves two key phases:
- Phase 1: Induction
- After initial exposure to a sensitizing substance, an immune response is generated (priming).
- Phase 2: Elicitation
- Following subsequent exposure to the sensitizing substance, a secondary (often more aggressive) localized inflammatory skin reaction is elicited at the exposure site.
Reactions in response to skin sensitization may vary in intensity, but they have the potential of being severe. Following initial exposure and sensitization, responses to later exposures may be significant regardless of the amount of the sensitizing substance. Such responses may be further exacerbated by irritant substances that are not specifically sensitizers.
Classified under GHS Category 1, skin sensitizers may be subclassified as:
- 1A – If the chemical shows a high occurrence frequency and can trigger significant sensitization in humans.
- 1B – If the chemical shows a low to moderate occurrence frequency and can trigger significant sensitization in humans.
Key responsibilities of SEAC include ensuring proper preparation of the ECHA’s opinions on restriction proposals and authorization applications. They also include considering and weighing the socioeconomic effects of a proposed restriction on the manufacture and use of a substance. Final decisions on any of the proposals and applications are made by the European Commission (EC).
Adoption of Final Opinion
SEAC adopted its final opinion on the proposal to restrict the presence of a large number of skin sensitizing chemicals in leather, textile, fur, and hide items available for the first time on the market. A principal goal of this restriction is to decrease public risk for skin sensitization from chemicals in these types of items.
If the proposal for restriction is approved by the EC, it is predicted that the occurrence of new allergic skin reactions will be reduced substantially. The corresponding anticipated annual decrease in European healthcare costs is expected to be more than 700 million euros (over $820 million).
Authoritative Information Is Essential
As a common occupational health issue, skin sensitization is an important matter for any business that manufactures, processes, or deals with chemicals in any capacity. To protect against the risks associated with exposure to chemical substances, including skin sensitization, having access to authoritative information is essential.
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