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This refers to the outer packaging or structural component of a product, typically composed of polypropylene and polyethylene. These materials are not active skincare ingredients but provide physical structure and protection.
No specific concern data available
Safety summary
As packaging materials, polypropylene and polyethylene are generally inert and do not pose a direct safety concern when used as intended in cosmetic product containers.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.