すっぴん

すっぴん is a casual word primarily used in conversation about cosmetics and appearance. It is usually explained as 素(す) (bare, plain) + an emphatic ぴん; the details of the origin are uncertain.

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This is casual/colloquial language. In more formal contexts, use 素顔(すがお) (natural face) or ノーメイク.

Common patterns

• すっぴんで: without makeup
• すっぴん美人(びじん): a natural beauty
• すっぴんを見(み)せる: to show one's bare face