Trios
Top PickRATIONALE's US site lists its skincare trios below their regular prices: the Anti-Ageing Trio (Sensitive) at $335.75 instead of $395, the Anti-Ageing Trio (Resilient) at $325.55 instead of $383 and the Sensitive Skin Trio at $283.90 instead of $334, as shown on 29 October 2026.
Limited Time Offer
Duos
Bestselling kits are marked 10% off on us.rationale.com: The Protect Daily Duo is $224.10 instead of $249, The Repair Nightly Duo $191.70 instead of $213 and The Antioxidant Brightening Duo $237.60 instead of $264, as shown on 29 October 2026.
Limited Time Offer
Mask
Orders over $250 on RATIONALE's US site come with a full size 1.7 fl.oz Nourishing Lipid Mask as a gift with purchase, as stated in the site banner on 29 October 2026. Gifts with purchase cannot be returned.
Limited Time Offer
US
RATIONALE ships every US order free by FedEx standard shipping, including Puerto Rico and the US Virgin Islands, and a signature is needed on delivery, as stated in its shipping policy on 29 October 2026.
Limited Time Offer
Orders
The banner on us.rationale.com says samples are included with all orders, so each purchase arrives with sample sizes of other formulations, as shown on 29 October 2026.
Limited Time Offer
From
On RATIONALE's US site the #6 Rejuvenating Night Creme starts at $67, the #1 Strengthening Serum at $69, the #4 Nourishing Cleanser at $73 and the #2 Brightening Light Creme is $123, as shown on 29 October 2026.
Limited Time Offer
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Extra codes from partner brands, refreshed alongside this store's offers.
A practical savings guide for shoppers using Rationale US offers.
RATIONALE's US site does not show a promo code at the moment. The savings are built into its sets. The Anti-Ageing Trio (Sensitive) is $335.75 instead of $395, the Anti-Ageing Trio (Resilient) $325.55 instead of $383 and the Sensitive Skin Trio $283.90 instead of $334. The duos are 10% off: The Protect Daily Duo is $224.10, The Repair Nightly Duo $191.70 and The Antioxidant Brightening Duo $237.60.
Orders over $250 come with a full size 1.7 fl.oz Nourishing Lipid Mask, and samples are included with every order. Single products start at $67 for the Rejuvenating Night Creme, $69 for the Strengthening Serum and $73 for the Nourishing Cleanser. The Discovery Travel Kit is $300, and an eGift Card starts at $50.
Standard FedEx shipping is free on every order to the US, Puerto Rico and the US Virgin Islands, and a signature is needed on delivery, so give a work address if nobody is home during the day. The US site does not ship abroad. Orders can be returned within 30 days of purchase for a full refund with proof of purchase, and return shipping is free. RATIONALE does not offer exchanges, and gift cards, treatments and free gifts cannot be returned.
Offers on this page were checked on the shop's own website on 29 October 2026.
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