You might as well link to the actual article as well. Tokyohive got the name of the magazine wrong too, making it "Numero UNO" instead of "Numero Tokyo".
http://www.daily.co.jp/gossip/2012/1...05446544.shtml
Here's where they mention something a bit different:
http://numero.jp/news-20121013-ayumihamasaki/
「全部のカットを全くの“すっぴん”でやろうか」と、提案してくれたのは、彼女のほうから。
「ファンデーションひとつ塗るだけで、顔の印象が変わるからね」と。
The line about foundation is in bold. It seems to mention 'one application of foundation'?
The word that was used to describe the shoot was 'suppin' which is Japanese slang for a face without makeup.