
Silk’n is one of the more established names in at-home light-based beauty devices, and its current IPL hair removal range is relatively easy to understand once the main models are separated by speed, treatment-window design and added technology.
The current U.S. lineup centers around three main devices: Motion Premium, Infinity Fast and Silk’n 7. Motion Premium is the simpler optical-energy model, Infinity Fast adds faster pulsing and galvanic energy, while Silk’n 7 builds on that platform with a rotatable treatment head and multiple treatment surfaces.
This guide explains how the Silk’n IPL lineup is structured, what each model does differently, and how Silk’n compares conceptually with other major at-home IPL brands including Braun, Philips Lumea, Ulike, JOVS, SmoothSkin and Nood.
Quick Answer: What Silk’n IPL Devices Are Available?
Silk’n currently offers three main IPL hair removal platforms in the U.S. market:
- Motion Premium — the simpler model, using optical energy with up to 60 light pulses per minute.
- Infinity Fast — a faster device using both galvanic and optical energy, with up to 120 light pulses per minute.
- Silk’n 7 — the premium model, combining galvanic and optical energy with a rotatable head and three treatment surfaces.
Silk’n also lists Gold and Black versions of the Silk’n 7. These are primarily color variants rather than fundamentally different treatment platforms.
All three belong to the broader category of intense pulsed light devices rather than true single-wavelength medical lasers. If you are comparing technologies, see our guide to IPL vs laser hair removal.
Silk’n 7 vs Infinity Fast vs Motion Premium
| Feature | Motion Premium | Infinity Fast | Silk’n 7 |
|---|---|---|---|
| Technology | Optical energy | Galvanic + optical energy | Galvanic + optical energy |
| Pulse speed | Up to 60 pulses/min | Up to 120 pulses/min | Designed for faster full-body treatment |
| Main treatment surface | 3 cm² | 3 cm² | 5.1 cm², 2.5 cm² and 1 cm² |
| Rotatable head | No | No | Yes, 6 positions |
| Pulse / glide use | Touch and Glide | Pulse and glide | Pulse and glide |
| Face use | Yes, where manufacturer guidance permits | Yes, where manufacturer guidance permits | Yes, with smaller treatment surfaces |
| Body use | Yes | Yes | Yes |
| Best suited to | Users wanting a simpler Silk’n IPL | Users prioritizing faster treatment | Users wanting maximum flexibility and ergonomics |
Specifications are based on Silk’n’s current U.S. product materials and may change over time. Always confirm the latest manufacturer instructions before purchase or use.
Motion Premium: Silk’n’s Simpler IPL Option
Motion Premium is the most straightforward model in the current Silk’n IPL lineup.
Silk’n lists it as using optical energy, delivering up to 60 light pulses per minute over a 3 cm² treatment surface. It is designed for both face and body treatment and includes a glide-style treatment mode for covering larger areas.
The main appeal of Motion Premium is simplicity. It does not include the additional galvanic-energy system used in Infinity Fast and Silk’n 7, and it does not have the multi-surface rotating head found on the premium model.
Who Is Motion Premium Best For?
Motion Premium may make the most sense if you:
- want a relatively simple IPL device;
- do not need the fastest available flash rate;
- mainly want face and body hair reduction;
- prefer a straightforward treatment routine;
- do not need multiple treatment-window sizes.
If you are new to IPL, our IPL guide for beginners explains which features matter most before buying.
Infinity Fast: Faster Treatment with Galvanic + Optical Energy
Infinity Fast sits above Motion Premium and is mainly differentiated by speed and Silk’n’s combined galvanic and optical energy system.
Silk’n lists Infinity Fast at up to 120 light pulses per minute, compared with up to 60 pulses per minute for Motion Premium. It uses a 3 cm² treatment surface and can operate in pulse or glide mode.
The galvanic component is intended to work alongside the optical treatment rather than replace IPL. Silk’n positions this combined system as a way to support light delivery during treatment.
For people treating large areas such as legs, treatment speed can make a meaningful difference to how easy it is to maintain a consistent routine. See our guide to IPL features that matter for leg treatment.
Who Is Infinity Fast Best For?
Infinity Fast may be the better choice if you:
- want faster treatment than Motion Premium;
- prefer a compact single-window design;
- plan to treat larger body areas regularly;
- want Silk’n’s galvanic + optical energy platform;
- do not need a rotatable head or multiple window sizes.
Silk’n 7: The Most Advanced Model in the Current Range
Silk’n 7 is positioned as the premium IPL device in Silk’n’s current lineup.
It uses the same general galvanic + optical energy concept as Infinity Fast but adds a more flexible treatment head and three treatment surfaces:
- 5.1 cm² — intended for larger body areas;
- 2.5 cm² — for medium treatment areas;
- 1 cm² — for smaller, more precise areas.
The treatment head can rotate through multiple positions, which is designed to make it easier to reach areas such as legs, underarms, bikini line and smaller facial zones.
This flexibility is the biggest practical difference between Silk’n 7 and Infinity Fast. Both are higher-end Silk’n devices, but Silk’n 7 places more emphasis on ergonomics and adapting the treatment surface to different body areas.
Who Is Silk’n 7 Best For?
Silk’n 7 may make more sense if you:
- want the most flexible device in the Silk’n range;
- treat both large and small areas;
- want a larger surface for legs and smaller surfaces for precision areas;
- value a rotatable treatment head;
- prefer a premium full-body IPL platform.
What Actually Sets Silk’n Apart?
1. Galvanic + Optical Energy on Higher-End Models
Infinity Fast and Silk’n 7 combine galvanic energy with optical energy, which is one of the more distinctive elements of Silk’n’s current product positioning.
This does not change the fact that hair reduction still depends on light interacting with pigment in the hair. Hair color, skin tone and consistent treatment remain central to results.
For more detail on skin and hair suitability, see:
- Does Hair Color Affect IPL Results?
- Deeper Skin Tones and IPL
- Best IPL Hair Removal Device for Dark Hair
2. Silk’n 7 Uses Multiple Treatment Surfaces
Many IPL devices use a single fixed flash window. Silk’n 7 takes a different approach by offering multiple treatment surfaces for different areas.
This can be especially useful if you treat both large areas such as legs and smaller areas such as the chin or upper lip.
For smaller facial zones, see our guide to IPL devices for face, chin and upper lip.
3. Treatment Speed Varies Significantly Between Models
Motion Premium is listed at up to 60 light pulses per minute, while Infinity Fast reaches up to 120 pulses per minute.
That difference matters most for people treating larger areas. Someone using IPL only on the upper lip or underarms may care less about maximum pulse speed than someone doing full legs or full-body sessions.
4. Silk’n Focuses on Full-Body Ergonomics
The rotatable head on Silk’n 7 is designed to improve handling across different body contours.
This is a different design philosophy from brands that emphasize cooling, automatic power adjustment or highly compact handsets.
Silk’n vs Braun IPL
Braun IPL devices place strong emphasis on automatic skin-tone sensing and adaptive energy management.
Silk’n takes a different route, especially in its higher-end models, by emphasizing galvanic + optical energy, treatment speed and ergonomic flexibility.
In broad terms:
- Consider Braun if automatic skin sensing and a tightly controlled IPL platform are priorities.
- Consider Silk’n if treatment speed, multiple treatment surfaces or the Silk’n 7 rotating head appeal more.
Silk’n vs Philips Lumea
Philips Lumea is known for a wide model family and body-area-specific attachments.
Silk’n 7 approaches the same problem differently by using multiple treatment surfaces and a rotatable head rather than a large family of dedicated attachment systems.
Philips may appeal more to users who prefer specialized attachment guidance, while Silk’n may suit people who want a more integrated adjustable handset.
Silk’n vs Ulike
Ulike has built much of its current product identity around contact cooling and treatment comfort.
Silk’n’s current range emphasizes speed, galvanic + optical energy and ergonomic treatment design instead.
If cooling is one of your main priorities, see our guide to cooling IPL vs regular IPL.
Silk’n vs JOVS
JOVS also focuses heavily on premium design and cooling in several of its hair removal devices.
Silk’n is more focused on treatment speed and handling flexibility, particularly with Silk’n 7’s rotating head and multiple treatment surfaces.
Silk’n vs SmoothSkin
SmoothSkin generally emphasizes automatic skin sensing and rapid IPL treatment in a relatively compact product family.
Silk’n offers more visible hardware differentiation between models, especially between Motion Premium, Infinity Fast and Silk’n 7.
Silk’n vs Nood
Nood currently has a simpler lineup centered around The Flasher 2.0 and Flasher Pro.
Nood’s premium positioning focuses more on cooling and additional cosmetic lens functions, while Silk’n’s higher-end positioning centers on galvanic + optical energy, speed and treatment-head flexibility.
Can Silk’n Be Used on the Face?
Silk’n lists its current IPL devices as suitable for facial use within the areas permitted by the manufacturer’s instructions.
Facial treatment still requires extra caution because pigmentation, skincare use, moles, freckles and proximity to the eyes all matter.
For more detail, see:
- Can You Use IPL on the Face?
- Can You Use IPL on Upper Lip Hair?
- Can You Use IPL on Chin Hair?
- Face IPL Aftercare
Can Silk’n Be Used on Underarms and Bikini Line?
These are common IPL treatment areas, but they may be more sensitive or naturally darker than surrounding skin.
Users should follow the device’s skin-tone guidance carefully and avoid treating areas outside the manufacturer’s approved boundaries.
Related guides:
- Best IPL Hair Removal Device for Underarms
- Best IPL Hair Removal Device for Bikini Line
- Is IPL Safe for Underarms?
- Can You Use IPL for Brazilian Hair Removal?
Does Faster Flashing Mean Better Results?
Not necessarily.
A faster flash rate mainly affects treatment time and convenience. It can make large-area sessions easier to complete consistently, but treatment speed alone does not determine effectiveness.
Hair color, skin tone, usable energy, treatment consistency and correct technique remain more important.
See Do More Energy Levels Make an IPL Device Better? for a broader explanation of why specifications should not be judged in isolation.
Who Is Silk’n IPL Most Suitable For?
Silk’n may be worth considering if you value treatment speed, ergonomic design and a relatively clear three-level product hierarchy.
Motion Premium may make more sense if:
- you want the simplest model;
- you do not need maximum treatment speed;
- you mainly want standard face and body IPL treatment.
Infinity Fast may make more sense if:
- you want faster full-body sessions;
- you prefer the galvanic + optical energy platform;
- you are comfortable with a fixed 3 cm² treatment surface.
Silk’n 7 may make more sense if:
- you treat both large and small areas;
- you value multiple treatment-window sizes;
- you want a rotatable head for easier handling;
- you prefer the most feature-rich Silk’n model.
Who Should Be More Cautious With IPL?
IPL is not equally suitable for every skin tone and hair color.
Very light blonde, white, grey and some red hair may contain too little melanin for conventional IPL to target effectively. Darker skin tones may absorb more light in the skin and can require stricter suitability limits depending on the device.
Before buying any IPL device, read:
What Should You Compare Before Choosing Silk’n?
Instead of asking whether Silk’n is simply “better” than another brand, compare the features that matter to your actual routine:
- Skin and hair compatibility
- Treatment speed
- Treatment-window size
- Face and precision-area usability
- Glide vs single-flash operation
- Cooling or comfort features
- Automatic skin sensing
- Ergonomics
- Warranty and return policy
- Price relative to the features you actually need
If you are comparing across price levels, see Best IPL Hair Removal Device for the Money: What Matters at $50, $100 and $300+.
Final Takeaway
Silk’n’s current IPL lineup is relatively easy to understand once the models are separated by treatment speed and hardware flexibility.
Motion Premium is the simpler optical-energy model. Infinity Fast adds faster pulsing and Silk’n’s galvanic + optical energy platform. Silk’n 7 takes that concept further with a rotating head and multiple treatment surfaces for different body areas.
The most advanced model is not automatically the best choice for everyone. Someone treating only small areas may not need the largest treatment surface or maximum speed, while someone doing full-body IPL may value those features much more.
As with every at-home IPL device, skin and hair suitability, consistent use and correct treatment technique matter more than any single specification.
Explore Other IPL Brands
- Braun IPL Hair Removal Devices: Models, Features and What Sets Them Apart
- Philips Lumea IPL Hair Removal Devices: Models, Features and What Sets Them Apart
- Ulike Laser Hair Removal Devices: IPL Models, Features and What Sets Them Apart
- JOVS Hair Removal Devices: Models, Features and What Sets Them Apart
- SmoothSkin IPL Hair Removal Devices: Models, Features and What Sets Them Apart
- Nood IPL Hair Removal Devices: Models, Features and What Sets Them Apart
Related Reading
- What Should You Look For in the Best At-Home IPL Device?
- Is an At-Home IPL Device Worth It?
- What to Look for in an At-Home Laser Hair Removal Device
- Best IPL Hair Removal Device for Full Body Use
- Best IPL Hair Removal Device for Sensitive Skin
- Best IPL Hair Removal Device for Face, Chin & Upper Lip
Editorial note: Product specifications, availability and manufacturer claims can change. Mithlux reviews device features for educational comparison and recommends checking the manufacturer’s current instructions, suitability chart and safety guidance before use.