Rationale skincare products: #3 Tinted Serum, #4 Cleanser, and #6 Night Crème.

Skin Care

Rationale Skincare Products: My Everyday Favourites

28 Jul 2026

Hi, my name’s Bianca, and today we’re gonna be talking about Rationale skincare products.

Rationale is based off six collections, all designed to support different aspects of skincare health. Every product is personalised to your skin type, which is really the whole point of the brand. It’s not a case of everyone walking out with the same bottle.

Six collections, one idea

Each collection targets something different, whether that’s hydration, barrier strength, or cell turnover overnight. That’s what makes Rationale different from just grabbing a moisturiser off the shelf. A product that works brilliantly for my skin might do nothing for yours, so we take the time to talk it through with you rather than just recommending whatever’s popular that week.

My go-to products

My favourite is the #4 Cleanser. This one’s really good at reestablishing skin integrity, and I use it at nighttime. It leaves your skin feeling nice and hydrated and soft.

Another favourite of mine is the #6 Night Crème. This is a really nice moisturiser to put on at nighttime. It’s rejuvenating, and it contains Vitamin A to support cell turnover.

And another one, a genuine crowd favourite, is the #3 Tinted Serum SPF50+. It’s 50 plus, so it gives you solar and environmental protection throughout the day.

Find your own routine

Come in for a consultation at Absolute Cosmetic and we’ll match you up with the collections and products that actually suit your skin, rather than just my three favourites.

Frequently Asked Questions

What is Rationale skincare? 

Rationale is an Australian skincare brand made up of six collections, each targeting a different area of skin health, with products personalised to your individual skin type.

How many Rationale collections are there? 

There are six Rationale collections, each designed to support a different aspect of skin health, from barrier strength to overnight cell turnover.

Is the #4 Cleanser suitable for sensitive skin? 

The #4 Cleanser is a gentle crème formulation designed to reestablish skin integrity, though a practitioner can confirm suitability based on your specific skin type during a consultation.

Can I use the #6 Night Crème if I’m pregnant? 

Vitamin A formulations, including the #6 Night Crème, should generally be avoided during pregnancy, so it’s best to speak with your doctor or one of our practitioners first.

How often should I use the #3 Tinted Serum SPF50+? 

It’s designed as a daily step in your morning routine for ongoing solar and environmental protection.

Do I need a consultation before starting Rationale products? 

While you can purchase Rationale products directly, a consultation helps match the right products from each collection to your actual skin type rather than guessing.

This article is general in nature and does not constitute medical or skincare advice. Individual skin types and results vary. Please consult a qualified practitioner at Absolute Cosmetic before starting any new skincare routine, particularly if you are pregnant, breastfeeding, or have a pre-existing skin condition.

Ready to find your own Rationale routine? Get in touch with our team to book a personalised skin consultation.

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Dr. Glenn Murray (MED0001196978) Medical Director | MBBS | FRACGP | MIT AI (Health) Cert. (AHPRA Registration MED0001196978) Registered Medical Practitioner,... Specialist General Practitioner (specialist registration in general practice). General disclaimer: Patient outcomes can vary due to factors such as genetics, diet, age, exercise, lifestyle, weight, and overall health. It’s essential to understand that all invasive surgeries come with inherent risks and require a recovery period and specific care regimen. Detailed information regarding surgical risks and complications is available here, but it is advisable to conduct thorough research and obtain a second opinion to ensure you are able to make an informed decision. Please note that the information provided is general in nature and does not constitute medical advice or establish a doctor-patient relationship. For real patient images, please visit our Before and After page. Please be advised that surgical outcomes vary, from patient to patient, and comprehensive research is crucial before making any decisions. This website contains imagery which is only suitable for audiences 18+.

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