Define by Jill

Define by Jill

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Registered Cosmetic Nurse and owner of Define by Jill. She is clinically guided and focused on natural facial harmony.

With 17 years’ experience in cosmetic Nursing, I specialise in natural-looking aesthetic treatments that help clients look refreshed and feel confident. Define by Jill is owned by Jill McIver, a registered nurse (RN NMW0001003228) and talented aesthetician with over a decade of experience. Passionate about helping people look as youthful as they feel, Jill has performed more than 20,000 treatments

06/07/2026

Glowing skin loading… ✨

Winter doesn’t have to mean dry, dull skin.

Our go to this season is Dermaviduals Liposome Concentrate Plus. Designed to deeply hydrate, strengthen the skin barrier and deliver active ingredients where your skin needs them most, it’s the ultimate treatment for restoring healthy, radiant skin through the colder months.

04/07/2026

Stimulate, strengthen and restore.

AIMEA Med Skin Needling works beneath the surface to support collagen production, refine texture, soften fine lines and improve the appearance of acne scarring, all while promoting healthier, more radiant skin.

Every treatment is tailored to your skin and your goals because lasting results start with a personalised approach.

Book your consultation via the link in our bio.

Photos from Define by Jill's post 01/07/2026

Book your personalised consultation through the link in our bio to discover your tailored treatment plan.

29/06/2026

From the moment you walk through this door, we want you to feel at ease. This is your time to unwind, feel cared for, and invest in yourself.

Our team is here to guide you every step of your skin journey with personalised treatments, genuine care, and a focus on long-term results.

28/06/2026

Healthy, hydrated lips never go out of style.

The Simka Plumping Tinted Lip Therapy SPF 15 combines nourishing care, subtle colour and sun protection for effortlessly beautiful lips every day.

Available now at Define by Jill.

26/06/2026

Hydrated skin starts at home.

Our Dermaviduals skincare range is designed to support your skin barrier while delivering the hydration your skin needs to stay healthy, balanced and glowing. With customised products tailored to your skin concerns, we take the guesswork out of skincare and focus on what your skin actually needs.

Pair your home care with our in-clinic treatments for the ultimate hydration boost and long-term skin health.

Healthy skin starts with a healthy barrier.

21/06/2026

From where you’d rather be ✨

Indulge in a little time for yourself. Relax, recharge, and leave feeling your absolute best.

18/06/2026

See why Ultraformer is one of our go-to treatments for skin tightening, lifting, and collagen stimulation.

Pair it with our Deep Synergy Booster; a skin rejuvenation treatment designed to deeply hydrate, support the skin barrier, improve skin quality, and restore a healthy, radiant glow. Perfect for dull, dehydrated, or winter-stressed skin needing a boost.

Together, these treatments work to lift, firm, hydrate, and rejuvenate for beautiful, natural looking results.

Book your consultation to discover the best treatment plan for your skin goals.

CollagenStimulation HydratedSkin GlowingSkin WinterSkinCare

Photos from Define by Jill's post 16/06/2026

Winter skin = dry, tight, and dehydrated if you’re not supporting your barrier properly.

At Define by Jill, we focus on keeping skin hydrated, balanced and resilient through the colder months using the simple combo: humectants + emollients: draw moisture in, lock it in.

In clinic, we support winter skin with:
• Customised Dermaviduals Skincare
• Barrier-focused Skin Treatments
• Skin Needling
• Tailored Consultations + Treatment Plans
& more!

Healthy skin isn’t seasonal, it just needs the right support.

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Telephone

Address


Shop 1, 34-36 Macquarie Street
Windsor, NSW
2756