What makes Moist Shot different? How to choose compared to hyaluronic acid injection alone

Moist Shot is a skin injection that combines hyaluronic acid with PDRN (a component derived from salmon DNA). While hyaluronic acid supplements moisture and volume on the spot, PDRN and similar components aim to work on the skin's foundation over time.[1][2]. However, there are few studies comparing injections with added PDRN and hyaluronic acid-only injections under the same conditions, and the magnitude of the difference remains unclear.[3].

What are the differences in roles between hyaluronic acid and PDRN in the skin?

Hyaluronic acid's role is to supplement moisture and volume immediately. DNA-derived components such as PDRN are thought to energize skin cells and gradually promote collagen production.[1].

PDRN is explained to work on "adenosine receptors," which are receptor sites on skin cells, to improve skin condition.[2]. Anti-inflammatory effects have also been shown in cell and animal experiments.[2]. However, research is still insufficient to determine how much visible improvement occurs in human skin.[3].

PN and PDRN—the names are similar, but are they the same thing?

No, they are not the same. Both are DNA fragments, but PN is a longer fragment, while PDRN is a shorter fragment.[2].

The longer PN is thought to remain in the skin longer and may therefore work for a longer period.[4]. On the other hand, it has been pointed out that the two names are used interchangeably in papers, creating confusion.[4]. When comparing products, it is reassuring to check not just the name but also the ingredient description.

How does the effect differ from hyaluronic acid injection alone?

In reports comparing the under-eye area, the difference between PN and hyaluronic acid is more likely to show up in how side effects occur rather than in effectiveness.[5].

In a study comparing PN with non-crosslinked (smooth) hyaluronic acid around the eyes, both showed effects, and skin elasticity was reported to improve more with PN.[6]. All studies involved small numbers of participants and were not of high quality.[3].

Which side effects are more concerning?

The most common side effects of PN or PDRN injection are mild and temporary—redness, swelling, bruising.[3]. In a report summarizing 219 people who received PN injection, no serious complications were reported.[5].

Hyaluronic acid is used for wrinkle injection, but serious complications such as skin necrosis and blindness have been reported when it enters blood vessels.[7]. In a report of 5 people who received PN under the eye, no side effects appeared within 3 months, but the sample size is small and cannot be the sole basis for judgment.[1].

Which is right for me?

A useful guideline is what you want to change most.

If you want to supplement dryness or luster immediately: hyaluronic acid's effects are central.[1]

If you want to improve firmness or fine lines over time: there is a concept of combining PN or PDRN.[3][6]

If you want to fill in hollows: this shifts from skin injection to volume-building injection.[1]

What should be confirmed in the consultation?

Whether Moist Shot is suitable cannot be decided from an article alone. Whether the issue is dryness, loss of firmness, or hollows cannot be determined without seeing the skin.

In your consultation, confirm what ingredients will be injected and at what depth, how many visits you are expected to make, and how to spend time if bruising occurs.