Osmosis StemFactor Growth Factor Exosome Serum, Age-Defying, 1 Fl Oz
Our summary
Osmosis StemFactor Growth Factor Exosome Serum is an age-defying skincare liquid in a 1 fl oz bottle. At $4.31 per ml, it costs roughly 3.4 times the typical price for the skincare category. This per-unit figure places it well above the category median of $1.48 per ml.
29.6 ml in this pack
📉 7% below 30-day average
confirm live price
219% above the skincare median. Cheapest is $0.098/ml →
Price & stock last checked
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- Rank by cost per ml
- 1358 of 1,637
- vs category median
- +219%
- 30-day low
- $127.50
- Price checks
- 31
Price · last 60d
$136.00
Cheaper per ml in skincare


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At $4.59/ml, Osmosis StemFactor Growth Factor Exo…, Age-Defying is on the pricey side for skincare — the skincare we track range from $0.098 to $31.00/ml (median $1.44). This listing's price was last checked 7 hours ago.
| Cheapest skincare / ml | $0.098 |
| Median | $1.44 |
| This deal | $4.59 |
| Most expensive | $31.00 |
Timing tip: see the cheapest month to buy skincare.
About this skincare listing
Is Osmosis StemFactor Growth Factor Exo…, Age-Defying a good deal?
On the pricey side — $4.59/ml against a skincare median of $1.44/ml, ranking 1358 of 1,637.
What does $4.59/ml mean?
It's the real cost per ml — the price divided by the ml in the pack (29.6 ml). Comparing per ml lets a big pack and a small one line up on the same scale, so you see true value instead of sticker price.
How many skincare are cheaper per ml?
1,357 of the 1,637 skincare we track, which puts this one 1358th by cost per ml. The next cheapest is $4.59/ml.
What is the lowest price this has been?
$127.50 — the lowest of 31 price checks we have taken over the 30 days we have been tracking this listing. It is $136.00 today, so $8.50 above that low.
What should I pay for skincare?
Across 1,637 tracked skincare, under $0.60/ml is a genuinely good price, around $1.44/ml is typical, and above $3.27/ml you are paying over the odds.
Confirm the live price at the retailer before buying.



