How to Know If Your Water Is Hard

How to Know If Your Water Is Hardの実践テクニックを分かりやすく案内します。初心者から上級者まで必見の内容です。

Here’s the weirdest one: after you shower, does your skin feel like it has a residue? Like you didn’t quite rinse off all the soap, even though you definitely did? That’s the soap scum clinging to your skin because the minerals prevent it from rinsing cleanly.

Your lotion won’t absorb properly either—it just sits on top of that film. You might break out or feel itchy, especially if you have sensitive skin. Hard water is basically a blocker for your skincare routine.