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Your neck area is getting the wrong signals

Award-Winning Jawline + Neck Serum

Your Neck Didn’t Age Overnight. It Stopped Getting the Right Signals.

Most neck creams moisturize the surface. ShapeShift acts differently. See why cellular signaling is the best bet to naturally reveal a more sculpted jawline and a visibly tighter, lifted neck, once again.

4.7/5 from 525 reviews REAL SIMPLE Award Winner 🌿 100% Vegan + Fragrance-Free
Results reported in as little as 2 weeks. Clinical measurement at 4 weeks. One-month supply: $64. Subscribe and save 15%.
ShapeShift V-Line Jaw Defining Serum bottle
If You’ve Noticed It, You’re Not Imagining It

The lower face is often the first place visible aging starts to change your reflection.

It shows up in side profiles. In Zoom windows. In photos you didn’t expect to hate. The jawline looks softer. The neck looks less firm. The skin under the chin seems to lose definition before the rest of your face catches up.

For many, this isn’t about chasing perfection. It’s about looking in the mirror and wondering why the bottom half of your face suddenly feels less like you.

And if you’re dealing with stress, age-related laxity, or rapid weight loss from GLP-1 use, that change can feel even more abrupt.

Before and after jawline and neck improvement
Why Most Solutions Disappoint

Neck creams often sit there. Procedures feel like a leap. Most people are stuck somewhere in between.

If you’ve tried firming creams, contour hacks, gua sha, or neck-specific products that never seemed to do much beyond temporary softness, there’s a reason: they were never built to work the way ShapeShift was.

What most options do

  • Hydrate the surface
  • Create a temporary tightening feel
  • Rely on massage, tools, or short-term cosmetic effects
  • Leave you deciding between “not enough” and “too extreme”

What ShapeShift is positioned to do differently

  • Use biomimetic exosome technology
  • Help signal cells naturally at the molecular level
  • Instruct cells to release fat droplets
  • Provide actives in addition to exosomes such as collagen and elastin to the cell
The Science, Without the Lecture

ShapeShift was built around a different idea: the right message, delivered at the right level.

SickScience describes exosomes as tiny carriers that deliver coded messages to cells. Their proprietary NX35™ technology is positioned and designed to do just that; naturally providing messages rather than just coat the skin, while delivering clinically proven results.

On the brand’s science page, exosomes are described as approximately 1/1000th the size of a cell — small enough to navigate at a molecular level, where typical surface-level formulas never really operate.

Translation: instead of asking your neck cream to do more than it was made to do, ShapeShift gives you a formula designed around cellular communication from the start.
NX35 exosome science visualization
What That Means for You

Not just a tighter feel. A visibly more sculpted look.

ShapeShift targets:

  • Adipose storage
  • Skin firming
  • Sagging under chin + jawline
  • Tech-neck
  • Skin laxity

Key benefits:

  • Supports the look of a contoured, sculpted neck and jawline
  • Helps visibly tighten and firm the neck
  • Helps reduce the appearance of wrinkles, crepiness and skin slackening
  • Softens, smooths and hydrates
Clinical Proof

Real Results. Clinically Proven.

In a third-party clinical study of 50 participants across different ages, sexes, and ethnicities, users reported visible improvement in as little as 2 weeks, with clinical measurement at 4 weeks.

92%
Saw reduction
90%
Increased firmness of the skin
94%
Said skin feels smoother
90%
Said they would use the product again
Clinical before and after showing jawline and neck improvement
3rd Party Clinical Study.

Results based on once per day application. 28 days.

Trust Signals

Award-winning. Reviewed. Reordered. Talked about.

2024 REAL SIMPLE Award Winner 4.7/5 average rating Featured on the Today Show Sold out 3 times
“I bought this at Ulta the first time and didn’t expect to love it this much. I’ve been bothered by my double chin for years and had pretty much lost hope after trying so many different things. With regular use, I started to see a noticeable improvement under my chin. Really happy I found this.”

-Alina C.

“I’m turning 50 this year and have also lost a significant amount of weight recently. I noticed that I was starting to get a loose neck. I started using this product and saw results almost immediately. I can be a harsh critic, so I was super impressed. Definitely recommend!”

-Emily G.

Why This Brand Exists

Made by scientists. Explained like humans.

SickScience was built by two PhDs with cancer research roots, using plant-derived exosome science to create products designed around biomimetic signaling.

Cosmetics was not the original goal, but the technology was so strong they decided to bring it out of the lab into every day solutions. In a category crowded with “firming” promises, real science has never been more important.

2 PhDs Plant-Derived Exosomes Biomimetic Science
SickScience founders or lab image
The Offer

Try ShapeShift for one month.

$64

One-month supply


  • 15% savings with subscription
  • Free returns
  • 30-day money-back guarantee
  • Results reported in as little as 2 weeks
  • Clinical measurement at 4 weeks
ShapeShift product lifestyle image

Clean, premium, and sensitive-skin friendly.

  • 100% Vegan
  • Cruelty-Free + Fragrance-Free
  • Hypoallergenic
  • Dermatologist tested
  • Free of dyes, silicones, parabens, and phthalates
How To Use

The routine is simple. The science is the hard part — and that’s already done for you.

Step 1

Dispense 1–2 pumps of serum into your hands.

Step 2

Apply morning and night to jawline, under chin, and neck.

Step 3

Once you reach your sculpted peak, maintain it with one daily dose.

Who it’s for

Ideal for visible skin laxity, under-chin softness, neck aging, and those noticing more sagging after weight loss or with age.

Final Thought

You don’t need another product that sits there looking expensive.

If your jawline and neck are changing, the answer is not necessarily something more invasive. It may just be time for something more intelligently designed.

ShapeShift is the award-winning exosome serum built to help visibly sculpt, smooth, and firm where standard neck products usually stop: at the surface.

Free returns 30-day money-back guarantee Subscribe & save 15%
ShapeShift premium product image