Skip to product information
1 of 8

O Cosmedics

O Cosmedics Firming & Lifting Neck Serum 50ml

O Cosmedics Firming & Lifting Neck Serum 50ml

Regular price $161.00 AUD
Regular price Sale price $161.00 AUD
Sale Sold out
Taxes included. Shipping calculated at checkout.
Quantity

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

✓ Purpose-built for the neck and jowls
✓ Combines immediate and progressive firming technologies to improve the appearance of skin tautness and contour over time.
✓ Targets horizontal lines as well as laxity
✓ Balances correction with sustained hydration
✓ Cooling roller makes targeted application easy, helping distribute the serum evenly across the neck and jawline.

Key Ingredients

✓ Liftonin Xpress® - An advanced tightening active that provides an immediate firming effect while offering cumulative benefits with continued use, helping create a smoother, more refined-looking contour.
✓ Sirtalice - A marine-derived active designed to support immediate tightening alongside longer-term firmness, tone and skin vitality.
✓ SNAP-8 Peptide (Acetyl Octapeptide-3) - Targets the appearance of expression lines and wrinkles associated with repeated movement, helping soften visible creasing with continued use.
✓ Niacinamide - Supports barrier strength, lipid production and moisture retention while helping maintain more resilient, even-looking skin.
✓ Hydroviton® Plus - A multi-component hydration system providing immediate and sustained moisture to improve suppleness, soften dehydration lines and support barrier function.
✓ Lipochroman-6 + Telessence Complexes - Provide antioxidant and environmental defence to help protect against oxidative stress while supporting skin vitality and resilience.

Ingredients: Water (Aqua), Glycerin, Glyceryl Stearate, PEG-100 Stearate, Cetyl Alcohol, Diheptyl Succinate, Capryloyl Glycerin/Sebacic Acid Copolymer, Isononyl Isononanoate, Niacinamide, Vitis Vinifera (Grape) Seed Oil, Butyrospermum Parkii (Shea) Butter, Bacillus Ferment, Porphyridium Cruentum Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Vaccinium Myrtilus Fruit Extract, Olea Europaea (Olive) Leaf Extract, Ziziphus Jujuba Seed Extract, Acetyl Octapeptide-3, Heptapeptide-6, Sodium PCA, Sodium Chloride, Sodium Lactate, Trehalose, Allantoin, Sodium Hyaluronate, Dimethylmethoxy Chromanol, Glyceryl Caprylate, Sorbitan Oleate, Decyl Glucoside, Tocopherol Acetate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Hydroxypropyl Methylcellulose, Micrococcus Lysate, Caprylyl Glycol, Pentylene Glycol, Phenethyl Alcohol, Ascorbic Acid, Disodium EDTA, Fructose, Urea, Maltose, Glucose, Fructan, Pullulan, Caprylhydroxamic Acid, Benzyl Alcohol, Salicylic Acid, Sorbic Acid, Isohexadecane, Polysorbate 80, Sodium Hydroxide, Citric Acid.

Free from parabens, sulfates, petrochemicals and mineral oils, with no artificial colours, harsh preservatives or harsh synthetic fragrances. Vegan-friendly, gluten-free and cruelty-free. The formula is emulsifier-free and biomimetic.

How To Use

Use morning and evening after cleansing.

Unlock the applicator and gently squeeze a small amount of O Cosmedics Firming & Lifting Neck Serum onto the roller. Glide the roller over the neck and jowls using upward motions. Tilt the chin upwards when working the serum into horizontal neck lines and creases. Continue until the product is evenly distributed, then lock the applicator after use.

Follow with your preferred O Cosmedics moisturiser where required. In the morning, extend O Cosmedics Mineral Pro SPF over the neck and décolletage.

FAQs

Do I really need a separate neck serum?
Not necessarily. We recommend a dedicated neck treatment when the neck is showing concerns that differ from the face, such as horizontal creasing, laxity, crepey texture or reduced definition around the jawline. If you're not seeing those changes yet, we'd usually prioritise the facial concerns that need correcting first.

Can I just use my face serum instead of O Cosmedics Firming & Lifting Neck Serum?
You can extend many facial products onto the neck, but O Cosmedics Firming & Lifting Neck Serum has been specifically formulated around neck and jowl ageing, combining tightening technologies, line-targeting peptides, hydration and antioxidant support. We particularly like it once the neck requires more targeted attention than the facial routine is providing.

Can O Cosmedics Firming & Lifting Neck Serum get rid of sagging jowls?
We wouldn't position any topical skincare product as a replacement for a clinical treatment where significant tissue laxity is present. What O Cosmedics Firming & Lifting Neck Serum can do is improve the visible firmness, smoothness, hydration and contour of the skin, which can make the neck and jawline appear more refined. For more advanced laxity, we recommend speaking with us about whether professional treatment would better match the result you're looking for.

How long does O Cosmedics Firming & Lifting Neck Serum take to work?
Some tightening and smoothing can be visible immediately due to the formula's surface-firming technologies. Improvements in firmness and contour definition may become more noticeable over approximately 2 to 6 weeks with consistent use.

Can I use Firming & Lifting Neck Serum with Retinol or other Vitamin A skincare?
Yes, but we don't automatically recommend extending every strong facial active over the neck. Neck skin can be less tolerant than facial skin, so if you're already using Retinol or another Vitamin A there, introduce combinations carefully and reduce frequency if you experience persistent dryness, irritation or peeling.

Should I apply O Cosmedics Firming & Lifting Neck Serum to my décolletage too?
O Cosmedics Firming & Lifting Neck Serum is specifically designed and directed for the neck and jowl area. We recommend following the intended application area rather than assuming every neck product should automatically be used across the chest. Your décolletage can still benefit from appropriate moisturising skincare and, importantly, O Cosmedics Mineral Pro SPF.

Is O Cosmedics Firming & Lifting Neck Serum worth adding if I already use anti-ageing skincare?
It depends on where your concerns are. If your facial routine is working well but the neck is beginning to show creasing, thinning texture or loss of firmness, a dedicated neck treatment can fill a genuine gap. If those changes aren't present, we wouldn't add another product simply for the sake of having a separate neck step.

View full details
★★★★★

“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