The Proper Eu Experience

Proper Eu provides and focuses on quality and professional services that encourage genuine personal enhancement and knowledge to create a new happy and healthy being.

Proper Eu is excited to be a part of Caledonia, servicing the Southeast Grand Rapids area. Founded by Ena Osterhouse in 2022, Proper Eu provides unisex services to make everyone look and feel their most beautiful. Our staff is here to support your vision and unlock your genuine self.

Proper Eu is a medical and aesthetics practice. We focus on aesthetics medicine including neuromodulators, dermal fillers, youth and adult acne, collagen stimulation therapies, microneedling and Platelet Rich Plasma (PRP), hormone replacement, hair loss and rejuvenation and PDO thread lifts.

2 women in lab coats

Be your genuine self with a refresh; be Proper Eu.

Our Providers

Ena Osterhouse, MSM, PA-C

Physician Associate

As a trusted and experienced Physician Associate having working in medicine for over 22 years, Ena realizes the importance of sound Medicine with an evidence based focus. Ena is a detail oriented provider with a heart for ongoing education to better herself and other upcoming providers so that the patients obtain the best and latest medical treatments. She enjoys a carefree and playful way of practicing medicine while ensuring the patients she cares for understand and receive the best care.

Ena started her career in medicine as a Registered Nurse. After having three children, Ena realized she needed to continue her medical knowledge to best serve her patients as a provider. As a Physician Assistant/Associate (PA-C), Ena has worked in Cardiothoracic Surgery treating patients with heart disease, various cancers of the thorax, and heart and lung transplant patients. She has spent the majority of her career as a Physician Associate doing surgery and various bedside procedures. Ena remains committed to bringing her surgical and medical expertise to her practice at Proper Eu to ensure a happy and healthy patient

Diana Diemer, MSN, FNP-BC

Nurse Practitioner

As an experienced and passionate family nurse practitioner, Diana believes that the most important part of treatment is the patient and provider relationship. She values shared decision making with her patients in order to create individualized treatment plans that exceed their expectations. Her goal is to rejuvenate and restore natural beauty, by enhancing existing features. She is known for her attention to detail, positivity, and outgoing personality.

Diana is a board-certified family nurse practitioner with a background in emergency medicine, medical forensics, and family practice. She is committed to continually learning and improving in her medical skills to provide the best care to her patients.


Our Staff

Samantha Mayeaux, RN

Nurse | Expert Injector

“My passion for aesthetics stems from my own personal experience treating my acne scars. Aesthetics medicine was able to give me the confidence back that I was looking for. And now with my knowledge in skin care, injectables, and other aesthetic procedures, I am dedicated to getting you feeling and looking your best. I love making others feel confident inside and out!!”

Jill Maas, LPN

Nurse Esthetician

“I love helping people feel comfortable and confident in their own skin by helping them pick out the best treatment and products. Being able to make others feel comfortable in their own skin is something I am passionate about. “

Julie Christopher

Certified Massage Therapist

“I love being able to work with a client and see an overall change in the way that they feel… I am a big believer in my practice and have witnessed in my 16 years how beneficial massage can be as part of a health routine.”

Leah Smith

Patient Coordinator

“I love that this job allows me to utilize my organization and communication skills, learn incredible things about skin care and overall skin health, and work with a lovely group of women. Additionally, I really enjoy having the opportunity to meet and get to know so many wonderful people in the Caledonia community and beyond.”

Caitlin Osterhouse

Phlebotomy Technician
Social Marketing Director

“Skincare has been a part of life for years now as I have had my own struggles with acne. Utilizing the product regimens and facials, I was finally able to feel confident and comfortable in my own skin. I stand by the practices and procedures we do here at Proper Eu.”

Madison Raymond

Patient Coordinator

“As someone who has struggled with acne and eczema, medical grade skincare has changed the game for me. As your Patient Coordinator, I look forward to answering any questions you may have about our products and services at Proper Eu. Skin is our largest organ – let’s take care of it together!”