KanjiJLPT N2
Skin

skin, body, grain, texture, disposition

Mnemonic

A tiger lounges after a feast, its stomach bulging. As it stretches lazily, sunlight reveals every inch of its magnificent skin — smooth, radiant, flawless. You marvel at how the skin covering that full stomach is the most beautiful texture you've ever touched.
Additional thoughts
Picture a well-fed tiger stretched in sunlight, stomach exposed. Focus on the luxurious, formal beauty of its outer covering — that literary, refined sense of skin as a flawless surface layer.
Quick recall
A tiger with a full stomach basks in sunlight, showing off its flawless skin.

Details

The keyword for 膚 is skin. This kanji refers specifically to the surface layer of the human body, emphasizing the outer covering that protects underlying tissues. It carries a somewhat more formal or literary nuance compared to the more commonly used 皮, and is often associated with the texture, quality, or condition of one's skin, particularly in terms of smoothness or beauty.
On'yomi
Kun'yomi
はだ

Used in vocab