SilkPeel
Wet diamond-tip abrasion, serum fed in A sealed handpiece sands the surface with a diamond tip. Suction holds it to the skin. Serum feeds to the same head, so it meets skin that was just abraded.
SilkPeel is the same wet abrasion as HydraFacial, sold on one extra claim: it pushes a serum in under pressure. It is now sold as DiamondGlow, and nobody has measured whether the serum gets any deeper. HydraFacial is the same treatment with a spiral tip and add-on booster serums. No study has ever compared the two machines.
| The difference | SilkPeel | Hydrafacial |
|---|---|---|
| What is in the serums | Cosmetics, and the maker says so | Cosmetics too, sold as branded boosters |
| What has been published | Almost nothing on the device alone | Three small studies, none sham-controlled |
| Cost | No reliable published price | One dated consumer figure |
Wet diamond-tip abrasion, serum fed in A sealed handpiece sands the surface with a diamond tip. Suction holds it to the skin. Serum feeds to the same head, so it meets skin that was just abraded.

Side by side
SilkPeel
Wet diamond-tip abrasion, serum fed in
A sealed handpiece sands the surface with a diamond tip. Suction holds it to the skin. Serum feeds to the same head, so it meets skin that was just abraded.
Hydrafacial
Wet spiral-tip abrasion, serum fed in
A disposable spiral tip makes the fluid swirl. Suction pulls the fluid and loose debris into a waste jar. The company calls this Vortex-Fusion.
SilkPeel
Never measured for this device
No study has measured how far any ingredient travels into skin after a SilkPeel or DiamondGlow. The claim rests on how the handpiece is built.
Hydrafacial
Also never measured
No penetration study exists for HydraFacial either. The serum goes in through the same tip that abrades, so the same gap applies.
SilkPeel
Cosmetics, and the maker says so
The owner states that its infusion serums are meant to meet the FDA's definition of a cosmetic. They are not meant to treat any disease.
Hydrafacial
Cosmetics too, sold as branded boosters
Base solutions hold glycolic and salicylic acid at low strength. Boosters are sold separately, under names such as ReGen GF+.
SilkPeel
Almost nothing on the device alone
SilkPeel returns no records at all in the medical literature. A 2024 study of 29 women used the DiamondGlow machine for 12 weeks. But the women also used a serum twice a day at home, and the authors worked for the maker.
Hydrafacial
Three small studies, none sham-controlled
A 2008 study of 20 women found changes on biopsy after six treatments with a serum. The same serum applied by hand produced none. In a 2022 acne study of 20 adults, the share rated clear or almost clear rose from 20% to 65%.
SilkPeel
Usually none; track marks reported
The maker lists stinging during treatment, then brief tightness, redness or slight swelling. One FDA report describes red stroke marks along the path of the tip. They settled within an hour.
Hydrafacial
Usually none
Redness and tightness for a few hours is the usual account. Two reports sit in the FDA's public database over about fifteen years. One is redness with a breakout the next day.

Limited evidence. The dry version of the same idea, sanding the surface instead of using liquid and suction. Slightly more abrasive, no serum step, generally cheaper.

Moderate evidence. Reaches the deeper layer and works on indented scars and texture. Real downtime and real discomfort, for a different order of result.
SilkPeel
No reliable published price
No maker and no professional society publishes a price. Clinic menus are the only source, and they are selling it.
Hydrafacial
One dated consumer figure
RealSelf reported an average of $209 from 261 consumer reviews, with prices up to $320. That was last updated in July 2023, and it is self-reported.
SilkPeel
No home version of the handpiece
Nothing sold for home use feeds serum onto skin it just abraded. A pore vacuum pulls at the surface with a fraction of the suction, and abrades nothing.
Hydrafacial
Home wands are a different thing
Home facial wands work on the very top of the skin only. They do not hold a seal against the face, and they do not suction debris away. This is not a cheaper version of the same treatment.
SilkPeel
Hydrafacial
SilkPeel
SilkPeel has been renamed twice. The same machine has sold as SilkPeel, Dermalinfusion and now DiamondGlow. Second-hand listings still carry all three names in one line.
Common questions
Tell your provider if you get cold sores. Antiviral medicine is started before the appointment, so it has to be prescribed in advance.
Say what you already use at home. Retinoids, prescription acne treatments and strong acids all thin the surface layer. A treatment that thins it further can tip into irritation.
Ask which serum is going on your skin, and ask to see the ingredient list. The FDA reports in this device family point at the serum rather than the abrasion. The one accepted injury was acidic fluid reaching a patient's eyes, so ask about eye protection too.
If your skin is deeper in tone, ask the operator to keep the suction and the abrasion gentle. Irritation in richly pigmented skin can leave dark patches behind. There is no published safety data for this treatment in darker skin tones. Treat that as caution, not a measured risk.
Neither device is FDA-cleared, because the category is exempt from review. SilkPeel, Dermalinfusion, DiamondGlow and HydraFacial are all registered as Class I devices under product code GFE, "powered dermabrasion brush," 21 CFR 878.4820, which is 510(k) exempt. There is no clearance number for either and no FDA-reviewed use.
Exempt does not mean unregulated. Registration, product listing, manufacturing quality rules and the ban on false labeling all still apply. What it means is that the FDA has never assessed the infusion claim, or any other claim, for either machine. No 510(k) exists for SilkPeel, Dermalinfusion, DiamondGlow or Envy Medical.
Ownership chain. Envy Medical made SilkPeel. Allergan acquired the company in March 2019, and the machine now sells as DiamondGlow under the SkinMedica name within AbbVie.
Edge Systems holds three clearances, and none covers the machine. They are for sterile tubing and for blue and red LED light modules. The abrading and infusing engine was never the subject of a clearance. A clearance elsewhere in a large catalogue does not cover the device in front of you.