Duos
Verified Top PickRATIONALE marks its duos 10% off in its Australian store: The Protect Daily Duo is $369, The Repair Nightly Duo $315 and The Antioxidant Brightening Duo $390.60, as shown on rationale.com on 31 October 2026.
Limited Time Offer
$500+
VerifiedOrders over $500 come with a full-size 50mL Nourishing Lipid Mask as a gift with purchase, T+Cs apply, as stated in the banner on every page of rationale.com on 31 October 2026. No end date was shown.
Limited Time Offer
All Orders
VerifiedStandard delivery within Australia is free on every order and takes 3 to 5 business days after dispatch. Express delivery in 1 to 3 business days costs $10 below $400 and is free over $400, and next business day delivery costs $25, as listed on 31 October 2026.
Limited Time Offer
Samples
VerifiedRATIONALE adds complimentary samples to all orders, as stated in the banner on every page of rationale.com on 31 October 2026.
Limited Time Offer
Skincare
VerifiedIn the Australian store The Nourishing Cleanser starts at $80, The Rejuvenating Night Creme at $110, The Strengthening Serum at $114, The Brilliance Tinted Serum SPF50+ at $118, The Refining Serum is $194 and The Brightening Light Creme $202, as listed on 31 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 Australia offers.
RATIONALE does not list a public promo code. Its current savings are shown on the site: duos marked 10% off, a full-size 50mL Nourishing Lipid Mask as a gift with purchases over $500 (T+Cs apply, no end date shown) and complimentary samples with every order.
On 31 October 2026 The Protect Daily Duo was $369, The Repair Nightly Duo $315 and The Antioxidant Brightening Duo $390.60, all with 10% off. Single formulations start at $80 for The Nourishing Cleanser, $110 for The Rejuvenating Night Creme and $114 for The Strengthening Serum, while The Refining Serum is $194 and The Brightening Light Creme $202. The Discovery Travel Kit, a travel-sized version of the six-step ritual, was $496.
Standard shipping within Australia is free on all orders and takes 3 to 5 business days after dispatch. Express shipping in 1 to 3 business days costs $10 on orders under $400 and is free over $400, and next business day delivery costs $25. Remote locations should contact RATIONALE before ordering. Orders can be returned within 30 days of purchase for a refund or exchange with proof of purchase, using the online return request form.
Offers on this page were checked on the shop's own website on 31 October 2026.
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