実際に使い方や効果に違いはあっても使用感はほぼ同じだと伝えたいです。
After shampoo we usually use hair conditioners or hair treatments., but I think their effects will be almost the same.
添削も含めご回答お願い申し上げます。
The effectiveness of using conditioner versus a treatment is about the same.
I don't think there's much difference between using conditioner versus a treatment.
Using conditioner and treatments will give you the same result.
①The effectiveness of using conditioner versus a treatment is about the same.
→ コンディション対トリートメントの使用につきまして、効果はほぼ一緒になります。
②I don't think there's much difference between using conditioner versus a treatment.
→コンディショナーかトリートメント、どちらを使っても効果の違いはあまりないと思います。
③Using conditioner and treatments will give you the same result.
→コンディショナーとトリートメント、どちらを使っても結果は一緒になります。