Surgeons Measured Aging Lips. They Did Not Find Total Volume Loss.

If you have ever wondered what actually changes in a lip as it ages, there is a small body of published work that almost nobody outside plastic surgery has read. It is narrower, and more interesting, than the beauty aisle version.

Areliaa Complete Lip Kit

$59.97 listed against $88.97

Six items: two Signature Lipsticks, a Lip Scrub, a Lip Plumper, a Lip Gloss and a Collagen Mask. The product this article ends on.

SEE THE KIT AND CHECK AVAILABILITY

Color only. Does not add volume. Needs reapplication. Delivery 6 to 12 business days.

There is a drawer in millions of American bathrooms with a dozen lipsticks in it. Every one of them was bought on purpose. None of them gets worn.

The women who own those drawers have mostly arrived at the same private conclusion, which is that they somehow got bad at something they were good at for forty years.

They did not.

What changed is measurable. It has been measured. And the result is not the one the beauty aisle has been selling back to them.

Start with the part everybody thinks they already know. Lips lose volume as you age, so you put volume back. That single sentence sits underneath an industry: in 2024 the American Society of Plastic Surgeons counted 5,331,426 hyaluronic acid filler procedures across all indications.

One research group went and checked whether the sentence is true.

Twice. Two different ways.

What they actually found

A group at the University of Freiburg, publishing in Plastic and Reconstructive Surgery, examined twenty specimens, ten from people under forty and ten from people over eighty, and compared the two groups layer by layer. They found real, statistically significant changes. The cutis thinned. The orbicularis oris, the ring of muscle around the mouth, thinned as well, and the angle that muscle makes at the edge of the lip opened up.

What they did not find was the thing everybody was expecting. Their conclusion, in their own words, is that the aged look comes from a loss of elasticity and a resulting droop of the upper lip “rather than to often-postulated but unproven total volume loss.”

Often postulated. Unproven.

The same group went at it a second way, with MRI, comparing thirty women aged twenty to thirty five against thirty women aged sixty five to eighty. If lips lose volume, a scan is where it would show. The scans found the lip getting thinner and redistributing toward length. They did not find total volume loss.

Two methods, two samples, one answer, published in the specialty’s own journals rather than by anybody selling anything. What they did find was thinning, and a redistribution toward length. What they did not find was the loss of total volume the premise names.

So what did change

Something obviously changed. Nobody looks in the mirror at sixty and sees the mouth they had at thirty. The literature is quite specific, and there are three of them.

The color faded, and the reason is plumbing. The red of a lip is not pigment in the way the red of a lipstick is pigment. It is blood, seen through a thin surface. Researchers examining vermilion tissue found that both the number and the total area of blood vessels in the dermis fall measurably with age, and that the surface above them flattens as the structures that once held it in ridges are lost. Fewer vessels, flatter surface, less red.

The edge softened, and the reason is muscle. That crisp line where lip meets skin is not a line at all. It is the top of a curve, held up by the muscle underneath. When the orbicularis oris thins and its forward curve flattens, the curve stops being a ridge and the edge stops being sharp. The same papers describe what follows: less pout, the lip rolling inward, and the whole thing sitting lower than it used to.

The scaffolding thinned. A histological study of upper lip vermilion found age dependent decreases in the areas occupied by collagen and by hyaluronan in the dermis.

Three changes. All measured. None of them is the one the premise names.

What is actually in the syringe

This is the part where consumer articles usually get unfair about injectables, and it is worth not doing that, because the facts are more useful than the outrage.

Hyaluronic acid filler is a clear gel. The device description for the first filler approved specifically for lips is hyaluronic acid, crosslinked, suspended in buffered saline at twenty milligrams per milliliter with a small amount of local anesthetic. There is no color in it. Color is not on the label, and it is not what the product is approved to do. The approved indication is augmentation, and the trial that won that approval measured fullness.

Can an injector work the border? Yes, and good ones do. The technique literature describes it in detail, down to leaving a droplet at the wet dry transition to evert the edge and sharpen it. That is a real skill and it produces a real result.

What it does not do is reverse the change underneath it. The muscle that flattened is still flattened. Filler sits on top of that change rather than undoing it. The result is also temporary: FDA labeling states effectiveness for at least six months, and in the approval trial seventy six percent of subjects chose to be treated again by week twenty four.

So: a clear gel, no color, approved for fullness, placed on top of a structural change, repeating roughly twice a year. Everything in that sentence is on the record and none of it is an accusation.

The measurement nobody in the beauty aisle quotes

Here is the part that changes how you look at the mirror.

A group of researchers photographed 289 women between the ages of twenty and sixty nine and measured a set of facial contrast values, among them how much redder each woman’s lips were than the skin immediately around them. Not how red the lips were. The difference between the two.

That difference falls steadily with age. It was one of the most strongly associated measures in the entire face.

Then they went further. They took 150 of those faces, showed them to seventy four people, and asked for age estimates. The same measure came back as one of the two strongest predictors of how old a face was judged to be, out of everything they had measured.

Then they tested it directly. They made two versions of the same face, identical except for facial contrast, and asked people to pick the younger one. In ninety three percent of trials, people picked the higher contrast version.

It is not a one off. The work was repeated across 763 women in four different ethnic groups, and the mouth contrast measure fell with age in every one of them.

The honest version of what that means

Two caveats belong here, and leaving them out would be the same kind of overreach this article started by criticizing.

First, the effect is not dramatic. Faces with higher contrast were judged about 1.3 years younger on average, the manipulation changed eyebrows and eyes along with lips rather than lips alone, and the authors say plainly that their design cannot answer which individual feature matters most. That modesty matters here, because what follows is not trying to be filler. It is a color product aimed at one visible cue, and it should be judged as one.

Second, lip fullness is genuinely on the list of things that read as age. A large study of Danish twins and British women in exactly this age range found skin wrinkling, grey hair and lip height each independently associated with how old women looked for their age. That study was led by a researcher at a consumer goods company, which is worth knowing, and it cuts against the argument this article is making, which is why it is here.

So the honest statement is not that color is what your eye reads and volume is not. It is narrower than that, and it survives:

Lip color contrast is one of the things the eye reads. It is measurable. It falls with age. And of the three measured changes discussed here, it is the one a cosmetic lip color can visibly address.

That is a smaller statement than the beauty aisle usually makes, and it is the one the research supports. It is also not the same job as filler, and it does not add fullness.

Why the usual answers do not work

Most women arrive at the same two workarounds without being told, and both fail for the same reason.

Liner draws a replacement for an edge that is no longer there. It works, for as long as it stays put, which is why it has to be redone and why it looks drawn when it moves.

A darker shade is an attempt to fake saturation, and it tends to age a mouth rather than the reverse, because a strong color needs a firm edge to sit inside and the firm edge is the thing that went.

Both are attempts to manage a layer of colored wax sitting on the surface of the lip. That is what a conventional lipstick is: pigment suspended in wax and oil, engineered to rest on top. A layer on the surface needs a border to contain it. That is the whole trouble.

The other way to put color on a lip

There is a second approach and it is not new. Instead of resting a colored layer on the surface, a near colorless dye deposits color in the outer surface layers of the lip.

The pigment is a compound called CI 45410. In the bullet it is close to colorless. It develops on contact with the moisture at the surface of the lip, so the color forms in the outer surface layers rather than resting on top of them as a tinted wax. It is carried in a balm base of squalane, jojoba seed oil and vitamin E.

That is the whole mechanism, and it is worth being precise about what it is not. It is a dye and a balm. It does not change anything about the lip, it does not affect collagen, and it has nothing to do with any of the structural changes described above. It adds a soft cosmetic tint to the area where natural redness can look lighter with age.

Here is the part most brands would hide, and it is the reason to keep reading.

Almost everyone gets a similar soft tint. Reviewers say so, sometimes as a complaint: they expected a dramatic shade shift and got a muted rose. If what you are shopping for is a bold, specific, statement color, this is not that, and no amount of advertising should tell you otherwise. For some buyers the change is subtle or barely visible.

Now read that again as a woman with a drawer full of tubes she bought once and abandoned. The same soft tint every time, with nothing to choose, is not the limitation. It is the entire point. The reason those tubes are in that drawer is that each time a shade was chosen, and each time it was the wrong one against a mouth that had quietly changed. It can still be too pink for you, or too faint. What it cannot do is ask you to pick the wrong shade before you start.

The brand is Areliaa, and the single lipstick is the version most people meet first.

The choice is simpler than a wall of shades. The bullet is close to colorless, so the decision is not which of forty to match against a mouth you cannot see clearly. It develops as a soft tint, and it will not be right for every lip or every preference.

What this is not

If what you want is a fuller lip, nothing in a tube is going to give you that, and anybody who tells you otherwise is selling.

This is not a treatment, it is not an alternative to a medical procedure, and it does not claim to be. It does not change the muscle, it does not put vessels back, and it will not do anything at all for volume. It is color, and color is one of the three things on the list.

One piece of housekeeping, because the box appears to contradict that sentence. The kit contains an item called a Lip Plumper. This article makes no claim about it, tests no claim about it, and is not about it. Everything argued above concerns color, which is the one of the three measured changes a cosmetic lip color can address.

Two more things it is not, and they are here because the alternative is finding out at the refund desk.

It does not last all day. Wear time is the single most common thing customers raise about this product, at roughly one review in seven, and the honest position is that it needs putting back on. A page that promises otherwise is writing its own one star reviews.

And if your lips are very thin, color alone can make that more visible rather than less. One customer put it exactly: at 74, with her upper lip much thinner than it was, the product did what it is supposed to do and “it almost emphasizes how thin my upper lip is.” That is the trade, stated before you buy rather than after.

The women who had already stopped

There is no customer in this brand’s file who arrived through a conversation about injectables. Not one: in a complete census of 8,249 reviews, and across all 2,463 reviews on Trustpilot, the words filler, injection and Botox appear zero times.

What is in the file, in quantity, is a different woman. She stopped wearing lip color years ago, usually because she could never get the shade right, and she says so unprompted and with her age attached.

“Love it ! I am 76 and i have not worn lipstick in over 20 years. I love this. It just adds a soft subtle color to your lips”Katherine N., store review

“At 75 I haven’t worn makeup for years because I’ve had problems with my eyes, but this lipstick feels natural and the color is very subtle. I like it!”Charlotte Holley, Trustpilot

“This is a great product for senior ladies. I stopped wearing lipstick a few years ago because I couldn’t fine the right color for an 86 year old.”Carolyn, Trustpilot

Thirty three of the thirty nine customers who state their age in that census are sixty five or older. The oldest is ninety two. They do not write about menopause, which appears zero times in 7,506 reviews, and they do not write about procedures. They write about giving something up and getting it back.

Where the routine goes from here

One last thing, and it is the reason the lipstick is not sold on its own here.

The kit pairs lip prep with color: a scrub, a mask, then the tint, which is the only part of it anyone else sees.

That is what the Complete Lip Kit is, and it is sold in that order rather than as a lipstick with three things added to the box.

The Complete Lip Kit is $59.97, listed against $88.97. Six items go in the box: two Signature Lipsticks, a Lip Scrub, a Lip Plumper, a Lip Gloss and a Collagen Mask. Shipping is calculated at checkout.