For more than three decades, Rationale has set the standard for luminous, healthy skin through advanced formulations and professional-grade facial treatments. Established in Australia in 1992 by Cosmetic Chemist Richard Parker, Rationale unites dermatological science, solar research, and our proprietary Skin Identical™ technology to deliver uncompromising environmental protection by day and intensive renewal by night.Proudly made in Australia, every Rationale product is developed, tested, and manufactured in-house at our Melbourne headquarters. Our on-site research lab and production facility allow us to maintain the highest standards of quality and innovation at every step.Protect by Day, Repair by NightAt the heart of Rationale is a deep understanding of skin health. We’ve built our system around six essential pillars—three collections for daytime defense, and three for overnight recovery. Together, they provide your skin with precisely calibrated nutrition, protection, and renewal every day.As Australian skincare scientists, we have a unique understanding of sun damage—and know that up to 80% of facial aging is caused by sun exposure. For over 30 years, our research team has partnered with dermatologists and epigenetic experts to advance skincare science, publishing findings and setting new benchmarks in formulation integrity. Under the leadership of Founder Richard Parker, we continue to pioneer clinically tested skincare that works—proven on the finished product, not just individual ingredients.Lifelong Skin Support, Wherever You AreYour skin journey is personal, and you don’t walk it alone. Rationale offers expert guidance at every stage—through our online Client Services Team, certified skincare professionals, and clinic partners worldwide. From one-on-one consultations to professional treatments and ongoing skin reviews, we’re here to help your skin look and feel its best, throughout every age and life chapter.
