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A curated Essential Six Ritual with resurfacing Actives to alleviate congestion and reactivate skin clarity, as well as superlative solar and environmental protection to prevent further damage.

Your skin naturally has Six Pillars of Skin Health. To optimally support these Pillars, your Ritual should include at least one Formulation from each of The Essential Six Collections.

Your Priority Formulations

To commence your RATIONALE journey, we recommend starting with these two Formulations as a priority for your skin concerns.

Your Priority Formulations

#5 The Serum

#5 The Serum

¥1,148.00

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#6 The Night Crème

#6 The Night Crème

¥1,366.00

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Your AM Ritual  

This system of three Collections provides all your skin’s daily nutrients, for a stronger, brighter and more protected complexion. 

#1 The Serum

#1 The Serum

¥1,224.00

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Supports skin barrier defence with a proprietary Complex of B-Group Vitamins, restoring radiance as it amplifies hydration.
#2 The Hydragel

#2 The Hydragel

¥1,295.00

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Defends skin from oxidative stress with the power of Vitamin C, brightening the complexion while soothing skin.
#3 The Tinted Serum SPF50+

#3 The Tinted Serum SPF50+

¥1,208.00

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Protects skin with proprietary Zinc Fusion technology, safeguarding luminosity while imparting a transparent finish.

Your PM Ritual  

This system of three Collections provides all your skin’s nightly nutrients, for a more hydrated, refined and renewed complexion. 

#4 The Cleanser

#4 The Cleanser

From ¥474.00

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Restores skin barrier function with Intercellular Lipids and Ceramides, comforting the complexion while removing all traces of the day.
#5 The Cleanser

#5 The Cleanser

From ¥474.00

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Recalibrates skin pH balance with a Complex of Hydroxy Acids, improving skin texture while removing surface debris.
#5 The Serum

#5 The Serum

¥1,148.00

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Recalibrates skin's pH balance with a Complex of Hydroxy Acids, evening out skin tone and texture while amplifying radiance.
#6 The Night Crème

#6 The Night Crème

¥1,366.00

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Supports cellular turnover with a proprietary Complex of Vitamin A, improving the appearance of fines lines and wrinkles while delivery continued hydration.