What is the size of the Biopur Paris product?

The Biopur Paris product comes in a 400ml quantity.

How can I verify the authenticity of this item?

The item is identified by the barcode 3700607920004.

The provided facts do not specify the packaging condition, but the barcode confirms the product details.

Name: Biopur Paris
Brand: Biopur

Beauty

Biopur · 400ml

Used

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New / Sealed

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What is the size of the Biopur Paris product?: The Biopur Paris product comes in a 400ml quantity.
How can I verify the authenticity of this item?: The item is identified by the barcode 3700607920004.
Is this product still in its original packaging?: The provided facts do not specify the packaging condition, but the barcode confirms the product details.