🛡️ 100% Authentic – Japan domestic version
🚚 Ships from Tokyo
✨ Fresh stock
🛍️ Same product sold in Japanese beauty stores
Aqualabel Treatment Lotion Brightening Very Moist 170ml is a serum-grade quasi-drug whitening toner for dry and dull skin with dark spots and uneven tone — using 4MSK (Potassium 4-Methoxysalicylate) as the medicated brightening active alongside CICA for barrier protection and skin recovery. A Shiseido Aqualabel formula sold at Matsumotokiyoshi; received the Japanese beauty ranking sites 2024 No.1 New Low-Price Toner ranking in the Very Moist category.
How it works: 4MSK has a unique dual mechanism: it penetrates the skin surface (where most whitening actives are limited) and inhibits melanin production at a deeper skin layer than standard tyrosinase inhibitors reach. CICA simultaneously repairs the skin barrier that brightening actives can temporarily disrupt — maintaining skin stability while 4MSK does its whitening work. The combination is why Aqualabel positions this as a treatment toner rather than a standard whitening toner.
Aqualabel Brightening vs Oil In Treatment Lotion: Brightening variant (this product) targets dark spots and uneven tone using 4MSK and CICA. Oil In variant targets fine dry lines using Niacinamide and Palmitoyl Retinol. Both are Very Moist texture-grade quasi-drug toners from Aqualabel — choose based on whether brightening or anti-aging is the primary concern. For both, the two can be used at morning (Brightening) and evening (Oil In) steps.
Known in Japan as アクアレーベル トリートメントローション(ブライトニング)とてもしっとり 170ml.