Meet Our Team

Isabella Loneragan


Isabella Loneragan is a pioneering skincare expert and founder of The Dermal Diary, as well as the creator of The Private Collection and The Intrinsic which have been featured in top publications such as Vogue, Women’s Health Australia and Marie Claire. 

The Intrinsic Facial is a renown treatment developed by Isabella after her exclusive training in Paris under Yankov Gerschovich. Incorporating the buccal massage technique, which is considered to be one of the most effective massage techniques for relieving facial tension, as well as offering an emotionally relieving experience that leaves clients feeling physically lighter and with an instant facelift-like effect. This industry leading treatment has garnered national press exposure for its ability to create unparalleled results for clients that are akin to injectables.

Isabella is also the founder of luxury Australian made skincare brand, The Private Collection - using only scientifically tested ingredients with proven results hand-chosen with intention.

Shop The Private Collection

“My goal is to build trust between myself and my clients, the most crucial aspect of skin therapy. Because with that relationship, comes understanding. And with understanding, comes comprehensive solutions. And, of course, delivering luxe therapeutic facials that don’t just feel good but leave your skin glowing, too.”

Isabella Loneragan

Our Skin Therapists



Suzanne graduated with a Diploma in Beauty in 2014. During this time the foundation of her career was based around working within high end salons and day spas as a skin therapist. Suzanne's focus has always been to treat the skin holistically - in order to appropriately treat skin conditions she believes we also need to look at internal, dietary and lifestyle factors. She has joined The Dermal Diary in 2020 specialising in treating the skin with high quality skincare and internal supplements as well as educating clients along their skincare journey. 

Marina Roussette


Marina brings a wealth of experience, having an established career of almost 13 years working in luxury spas across Sydney and Paris. She is a dedicated skin professional, with a particular interest in the gut skin connection, and is now completing a specialist diploma to compliment her work in skin therapy. 

Clients have described Marina to have an "angelic touch" and is an expert guide to creating a relaxing yet deeply rejuvenating experience.

Brianna Stephenson


Brianna is a passionate skin professional who believes in the power of skincare to make people feel amazing. She strives to be as informed as possible about skin trends so that she can offer her clients with cutting edge information on their skin care needs. Her favorite part of being a skin therapist is connecting with her clientele and really understanding what they need for their individualised treatment plan.

Tanya Pickett-Heaps


Tanya is our superstar clinic coordinator. She is a people lover and knows how to connect with clients on an intimate level, making them feel important and cared for. Tanya radiates joy in everything she does - whether that be answering the phone, booking appointments, or helping answer your skincare questions!

Skincare Secrets. Straight to Your inbox.

Receive access to exclusive deals and be kept up to date with new product releases!