法国采购需求：丝素蛋白，丝素蛋白粉，丝素蛋白价格，化妆品原料，产品

I'm reaching out to request a sample of your silk powder as we're developing an exciting new cosmetic product. The quality of the ingredients is crucial for our formulation, and I believe your silk powder could be a great fit. Could you please send a sample at your earliest convenience? We're eager to assess its properties and see how it can enhance our product. Thanks for your assistance, and I look forward to your response!