naphtha soap

例句：

1. 1. This naphtha soap is very mild and gentle on the skin.
   这种石蜡肥皂对皮肤非常温和。
2. 2.The soap was made from natural ingredients, so it's environmentally friendly.
   这种肥皂是用天然成分制成的，所以它是环保的。
3. 3. I prefer using natural soaps instead of synthetic ones because they are more gentle on the skin.
   我更喜欢使用天然肥皂而不是合成肥皂，因为它们对皮肤更温和。