バイワンシー ヘアケア 290g 2個セットの買取情報

It looks like you're referring to a specific hair care product, the "バイワンシー スムースリペア エッセンス" (by one sii Smooth Repair Essence), which is an organic hair care product designed to address frizzy and wavy hair while providing high moisture. The product is packaged in a 290g size, and you mentioned a 2-pack.
If you have any specific questions about this product, such as its ingredients, usage instructions, or effectiveness, feel free to ask!