O Cosmedics
O Cosmedics Firming & Lifting Neck Serum 50ml
O Cosmedics Firming & Lifting Neck Serum 50ml
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O Cosmedics Firming & Lifting Neck Serum is a targeted neck and jowl treatment for skin showing laxity, horizontal lines, creasing and loss of elasticity. Developed specifically for the thinner, movement-prone skin of the neck, it combines firming peptides, tightening technologies, sustained hydration and antioxidant support to improve visible contour, smoothness and resilience.
Liftonin Xpress® and Sirtalice provide immediate and progressive tightening benefits, while SNAP-8 Peptide targets the appearance of expression lines and wrinkles. Niacinamide supports barrier strength and moisture retention, Hydroviton® Plus replenishes hydration, and advanced antioxidant complexes help defend against environmental stress that contributes to visible skin ageing.
The silky serum is paired with a cooling, multi-directional roller applicator for precise application across the neck and jowls. Used consistently morning and evening, it leaves the skin feeling hydrated and smooth while supporting a firmer, more refined appearance over time.
Product Size: 50ml
SKIN DEEP MEDISPA EXPERT VERDICT
Our rating: 4.8/5
O Cosmedics Firming & Lifting Neck Serum is one I recommend when the neck is starting to show changes that aren't being adequately addressed by the facial routine. I particularly like it for horizontal neck lines, crepey texture and the early loss of elasticity and definition around the jawline. Rather than relying on one type of corrective active, it combines ingredients that work on immediate tightening, longer-term firmness, hydration and skin resilience, which makes sense to me for an area where several signs of ageing often appear together. I also like that the roller makes it very easy to treat the full neck and jawline consistently rather than applying a facial product there almost as an afterthought.
BEST FOR
Crepey Texture • Loss of Elasticity • Jowl Definition • Ageing Neck
I wouldn't automatically recommend a separate neck serum to everyone. If the neck is still firm and the priority concerns are predominantly on the face, I would put the investment into the most appropriate facial corrective first. I reach for this when the neck itself has become a treatment priority and we want something specifically formulated for the changes we're seeing there.
Reviewed by: Diana / Founder & Head of Clinical Therapies, Skin Deep Medispa, Armadale
🔥 OUR HOT TIP
I recommend extending this treatment beyond the front of the neck. Work the roller upwards over the sides of the neck as well, then sweep along the underside of the jaw towards the ears. These areas are easy to miss, particularly when loss of definition around the jawline is one of the reasons you're using the serum.
Not sure if it’s right for your skin? Ask A Skin Deep Medispa Therapist
What We Love
What We Love
Key Ingredients
Key Ingredients
How To Use
How To Use
Pair It With
Pair It With
FAQs
FAQs

“The lines across my neck were what bothered me most, especially once I started noticing them in photos. I've been using this morning and night and my neck looks smoother and feels much more hydrated. I also really like the cooling roller.”
Melinda, Geelong VIC
“I bought this because my face was looking good but the skin under my jaw was starting to look softer and a bit crepey. It feels like a proper treatment rather than another moisturiser. The texture of my neck has definitely improved and I love how easy the applicator is to use.”
Karen, Hobart TAS
“Really nice serum and not heavy or sticky. I use it after cleansing at night and it only takes a minute to roll over my neck. I've been using it for about five weeks and the skin feels softer and looks more refined, particularly along my jawline.”
Nadine, Perth WA