ModestEvidence grade BEnergy & Resurfacing
Microneedling
Consistent, modest improvement in texture and acne scarring across several sessions.
Last reviewed 15 September 2026
Injectable Skin Boosters
Last reviewed 15 September 2026Reviewed biannual
ModestEvidence grade CReal but small, or real only under specific conditions.
- The claim
- Microinjections of low-crosslinked hyaluronic acid that hydrate skin from within and improve elasticity and fine lines.
- The verdict
- A real, measurable improvement in skin hydration and fine texture that fades on a predictable schedule.
- Worth it?
- For thin, crepey, dehydrated skin where the complaint is quality rather than volume, yes. Expect to repeat it.
Jump to
What separates a booster from a filler
A filler is a crosslinked gel placed in a defined plane to create volume or support. A booster is a much less crosslinked hyaluronic acid delivered in small deposits across an area, with no intention of changing contour.
The mechanism is twofold. Hyaluronic acid binds water, so the skin holds more of it and looks better immediately. And the injections themselves are a mechanical stimulus, which produces the same low-grade fibroblast response that microneedling relies on.
What the trials show
Controlled studies do find improvements in skin hydration, elasticity and fine line depth measured instrumentally, with patient-reported improvement following the same pattern. The effect is consistent enough to earn a modest verdict.
Two limits keep the grade at C rather than B. The trials are mostly small, and several are manufacturer-sponsored. And durability is short: most report the benefit tailing off between three and six months, with the protocol usually requiring an initial series before any maintenance.
Who it actually helps
The complaint it matches is thin, dull, crepey skin with fine crosshatched lines, most obviously on the cheeks, the neck and the backs of the hands. In that face the change is visible.
The complaint it does not match is anything structural. A booster will not address volume loss, descent, or an etched line caused by muscle movement, and someone with those concerns who is treated with boosters will be disappointed for reasons that have nothing to do with the product.
Practical notes
The injections themselves are more uncomfortable than most people expect, because there are a lot of them. Small bumps at each injection point are normal and settle over a day or two. Bruising is common.
The honest summary
A treatment that does what it says on a modest scale, marketed with words that promise more. Sensible for skin quality in the right candidate, repeated a few times a year, and not a substitute for anything structural.
What this is based on
- Ghatge & Ghatge, injectable hyaluronic acid for facial skin quality — systematic review of 13 studiesClinical, Cosmetic and Investigational Dermatology · 2023
- Rutnumnoi et al., superficial intradermal hyaluronic acid for facial pores and skin quality — split-face randomized studyJournal of Cosmetic Dermatology · 2025
Grades describe the quality of the human evidence, not my opinion of the treatment. Where the literature changes, the grade changes and the review date moves with it.
The full guide
All guides →Which Filler Goes Where — and Why the Brand Matters Less Than the Plane →
The brand on the syringe is the least useful thing about a filler treatment. What decides how it looks, how long it lasts and whether it can be undone is which region it went into and which layer it was placed in. Here is the map.
Related verdicts
See all →Thin evidenceEvidence grade DSkin & Prevention
PRP and PRF for Skin
Most of the studies behind it are uncontrolled, and the reviews that pooled them rate their own confidence as low.
Last reviewed 15 September 2026
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What changed in facial rejuvenation this week, one guide we updated, and why it matters. Written by Jay Keni, MD.